profanity/src/command/command.c

/*
 * command.c
 *
 * Copyright (C) 2012 - 2015 James Booth <boothj5@gmail.com>
 *
 * This file is part of Profanity.
 *
 * Profanity is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Profanity is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Profanity.  If not, see <http://www.gnu.org/licenses/>.
 *
 * In addition, as a special exception, the copyright holders give permission to
 * link the code of portions of this program with the OpenSSL library under
 * certain conditions as described in each individual source file, and
 * distribute linked combinations including the two.
 *
 * You must obey the GNU General Public License in all respects for all of the
 * code used other than OpenSSL. If you modify file(s) with this exception, you
 * may extend this exception to your version of the file(s), but you are not
 * obligated to do so. If you do not wish to do so, delete this exception
 * statement from your version. If you delete this exception statement from all
 * source files in the program, then also delete it here.
 *
 */

#include <assert.h>
#include <errno.h>
#include <limits.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#include <glib.h>

#include "config.h"

#include "chat_session.h"
#include "command/command.h"
#include "command/commands.h"
#include "common.h"
#include "config/accounts.h"
#include "config/preferences.h"
#include "config/theme.h"
#include "contact.h"
#include "roster_list.h"
#include "jid.h"
#include "xmpp/form.h"
#include "log.h"
#include "muc.h"
#ifdef HAVE_LIBOTR
#include "otr/otr.h"
#endif
#include "profanity.h"
#include "tools/autocomplete.h"
#include "tools/parser.h"
#include "tools/tinyurl.h"
#include "xmpp/xmpp.h"
#include "xmpp/bookmark.h"
#include "ui/ui.h"
#include "ui/windows.h"

typedef char*(*autocompleter)(char*, int*);

static gboolean _cmd_execute(const char * const command, const char * const inp);
static gboolean _cmd_execute_default(const char * inp);
static gboolean _cmd_execute_alias(const char * const inp, gboolean *ran);

static char * _cmd_complete_parameters(const char * const input);

static char * _sub_autocomplete(const char * const input);
static char * _notify_autocomplete(const char * const input);
static char * _theme_autocomplete(const char * const input);
static char * _autoaway_autocomplete(const char * const input);
static char * _autoconnect_autocomplete(const char * const input);
static char * _account_autocomplete(const char * const input);
static char * _who_autocomplete(const char * const input);
static char * _roster_autocomplete(const char * const input);
static char * _group_autocomplete(const char * const input);
static char * _bookmark_autocomplete(const char * const input);
static char * _otr_autocomplete(const char * const input);
static char * _connect_autocomplete(const char * const input);
static char * _statuses_autocomplete(const char * const input);
static char * _alias_autocomplete(const char * const input);
static char * _join_autocomplete(const char * const input);
static char * _log_autocomplete(const char * const input);
static char * _form_autocomplete(const char * const input);
static char * _form_field_autocomplete(const char * const input);
static char * _occupants_autocomplete(const char * const input);
static char * _kick_autocomplete(const char * const input);
static char * _ban_autocomplete(const char * const input);
static char * _affiliation_autocomplete(const char * const input);
static char * _role_autocomplete(const char * const input);
static char * _resource_autocomplete(const char * const input);
static char * _titlebar_autocomplete(const char * const input);
static char * _inpblock_autocomplete(const char * const input);

GHashTable *commands = NULL;

/*
 * Command list
 */
static struct cmd_t command_defs[] =
{
    { "/help",
        cmd_help, parse_args, 0, 1, NULL,
        { "/help [area|command]", "Help on using Profanity.",
        { "/help [area|command]",
          "--------------------",
          "Help on using Profanity.",
          "",
          "area    - Summary help for commands in a certain area of functionality.",
          "command - Full help for a specific command, for example '/help connect'.",
          "",
          "Use with no arguments to see a list of areas.",
          NULL } } },

    { "/about",
        cmd_about, parse_args, 0, 0, NULL,
        { "/about", "About Profanity.",
        { "/about",
          "------",
          "Show version and license information.",
          NULL  } } },

    { "/connect",
        cmd_connect, parse_args, 0, 5, NULL,
        { "/connect [account] [server value] [port value]", "Account login.",
        { "/connect [account] [server value] [port value]",
          "----------------------------------------------",
          "Login to a chat service.",
          "",
          "account      - The local account you wish to connect with, or a JID if connecting for the first time.",
          "server value - Supply a server if it is different to the domain part of your JID.",
          "port value   - The port to use if different to the default (5222, or 5223 for SSL).",
          "",
          "If no account is specified, the default is used if one is configured.",
          "A local account is created with the JID as it's name if it doesn't already exist.",
          NULL  } } },

    { "/disconnect",
        cmd_disconnect, parse_args, 0, 0, NULL,
        { "/disconnect", "Logout of current session.",
        { "/disconnect",
          "-----------",
          "Disconnect from the current chat service.",
          NULL  } } },

    { "/msg",
        cmd_msg, parse_args_with_freetext, 1, 2, NULL,
        { "/msg contact|nick [message]", "Start chat with a user.",
        { "/msg contact|nick [message]",
          "---------------------------",
          "Send a one to one chat message, or a private message to a chat room occupant.",
          "",
          "contact - The contact's JID, or nickname if one has been set in your roster.",
          "nick    - A chat room occupant, to whom you wish to send a private message.",
          "message - The message to send",
          "",
          "If the message is omitted, a new chat window will be opened without sending a message.",
          "Use quotes if the nickname includes spaces.",
          NULL } } },

    { "/roster",
        cmd_roster, parse_args_with_freetext, 0, 3, NULL,
        { "/roster [command] [args..]", "Manage your roster.",
        { "/roster [command] [args..]",
          "--------------------------",
          "Manage your roster, and roster display settings.",
          "",
          "command - online|show|hide|by|size|add|remove|nick|clearnick",
          "",
          "online         - Show all online contacts in your roster.",
          "show           - Show the roster panel.",
          "show offline   - Show offline contacts in the roster panel.",
          "show resource  - Show contact's connected resources in the roster panel.",
          "hide           - Hide the roster panel.",
          "hide offline   - Hide offline contacts in the roster panel.",
          "hide resource  - Hide contact's connected resources in the roster panel.",
          "by group       - Group contacts in the roster panel by roster group.",
          "by presence    - Group contacts in the roster panel by presence.",
          "by none        - No grouping in the roster panel.",
          "size           - Percentage of the screen taken up by the roster (1-99).",
          "add jid [nick] - Add a new item to the roster.",
          "remove jid     - Removes an item from the roster.",
          "nick jid nick  - Change a contacts nickname.",
          "clearnick jid  - Removes the current nickname.",
          "",
          "Passing no arguments lists all contacts in your roster.",
          NULL } } },

    { "/group",
        cmd_group, parse_args_with_freetext, 0, 3, NULL,
        { "/group [show|add|remove] [group] [contact]", "Manage roster groups.",
        { "/group [show|add|remove] [group] [contact]",
          "------------------------------------------",
          "View, add to, and remove from roster groups.",
          "",
          "show group           - List all roster items a group.",
          "add group contact    - Added a contact to a group.",
          "remove group contact - Remove a contact from a group.",
          "",
          "Passing no argument will list all roster groups.",
          NULL } } },

    { "/info",
        cmd_info, parse_args, 0, 1, NULL,
        { "/info [contact|nick]", "Show information about a contact, room, or room member.",
        { "/info [contact|nick]",
          "--------------------",
          "Show information about a contact, room, or room member.",
          "",
          "contact - The contact you wish to view information about.",
          "nick    - When in a chat room, the occupant you wish to view information about.",
          "",
          "Passing no argument in a chat window will use the current recipient.",
          "Passing no argument in a chat room will display information about the room.",
          NULL } } },

    { "/caps",
        cmd_caps, parse_args, 0, 1, NULL,
        { "/caps [fulljid|nick]", "Find out a contacts client software capabilities.",
        { "/caps [fulljid|nick]",
          "--------------------",
          "Find out a contacts, or room members client software capabilities.",
          "",
          "fulljid - If in the console or a chat window, the full JID for which you wish to see capabilities.",
          "nick    - If in a chat room, nickname for which you wish to see capabilities.",
          "",
          "If in private chat initiated from a chat room, no parameter is required.",
          NULL } } },

    { "/software",
        cmd_software, parse_args, 0, 1, NULL,
        { "/software [fulljid|nick]", "Find out software version information about a contacts resource.",
        { "/software [fulljid|nick]",
          "------------------------",
          "Find out a contact, or room members software version information.",
          "",
          "fulljid - If in the console or a chat window, the full JID for which you wish to see software information.",
          "nick    - If in a chat room, nickname for which you wish to see software information.",
          "",
          "If in private chat initiated from a chat room, no parameter is required.",
          "If the contact's software does not support software version requests, nothing will be displayed.",
          NULL } } },

    { "/status",
        cmd_status, parse_args, 0, 1, NULL,
        { "/status [contact|nick]", "Find out a contacts presence information.",
        { "/status [contact|nick]",
          "----------------------",
          "Find out a contact, or room members presence information.",
          "",
          "contact - The contact who's presence you which to see.",
          "nick    - If in a chat room, the occupant who's presence you wish to see.",
          "",
          "If in a chat window the parameter is not required, the current recipient will be used.",
          NULL } } },

    { "/resource",
        cmd_resource, parse_args, 1, 2, &cons_resource_setting,
        { "/resource set|off|title|message [resource]", "Set the contact's resource, display settings.",
        { "/resource set|off|title|message [resource]",
          "------------------------------------------",
          "Override chat session resource, and manage resource display settings.",
          "",
          "set resource   - Set the resource to which messages will be sent.",
          "off            - Let the server choose which resource to route messages to.",
          "title on|off   - Show or hide the current resource in the titlebar.",
          "message on|off - Show or hide the resource when showing an incoming message.",
          NULL } } },

    { "/join",
        cmd_join, parse_args, 1, 5, NULL,
        { "/join room[@server] [nick value] [password value]", "Join a chat room.",
        { "/join room[@server] [nick value] [password value]",
          "-------------------------------------------------",
          "Join a chat room at the conference server.",
          "",
          "room        - Bare room JID, the chat server is determined by the 'muc.service' account property, 'conference.<domainpart>' by default.",
          "room@server - Full room JID.",
          "nick value  - Nickname to use in the room",
          "password value - Password if the room requires it.",
          "",
          "If no nickname is specfied the account preference 'muc.nick' will be used which by default is the localpart of your JID.",
          "If the room doesn't exist, and the server allows it, a new one will be created.",
          NULL } } },

    { "/leave",
        cmd_leave, parse_args, 0, 0, NULL,
        { "/leave", "Leave a chat room.",
        { "/leave",
          "------",
          "Leave the current chat room.",
          NULL } } },

    { "/invite",
        cmd_invite, parse_args_with_freetext, 1, 2, NULL,
        { "/invite contact [message]", "Invite contact to chat room.",
        { "/invite contact [message]",
          "-------------------------",
          "Send a direct invite to the current chat room.",
          "",
          "contact - The contact you wish to invite",
          "message - An optional message to send with the invite.",
          NULL } } },

    { "/invites",
        cmd_invites, parse_args_with_freetext, 0, 0, NULL,
        { "/invites", "Show outstanding chat room invites.",
        { "/invites",
          "--------",
          "Show all rooms that you have been invited to, and not accepted or declind.",
          NULL } } },

    { "/decline",
        cmd_decline, parse_args_with_freetext, 1, 1, NULL,
        { "/decline room", "Decline a chat room invite.",
        { "/decline room",
          "-------------",
          "Decline a chat room ivivation.",
          "",
          "room - The room for the invite you wish to decline.",
          NULL } } },

    { "/room",
        cmd_room, parse_args, 1, 1, NULL,
        { "/room accept|destroy|config", "Room configuration.",
        { "/room accept|destroy|config",
          "---------------------------",
          "Chat room configuration.",
          "",
          "accept  - Accept default room configuration.",
          "destroy - Reject default room configuration.",
          "config  - Edit room configuration.",
          NULL } } },

    { "/kick",
        cmd_kick, parse_args_with_freetext, 1, 2, NULL,
        { "/kick nick [reason]", "Kick occupants from chat rooms.",
        { "/kick nick [reason]",
          "-------------------",
          "Kick occupants from chat rooms.",
          "",
          "nick   - Nickname of the occupant to kick from the room.",
          "reason - Optional reason for kicking the occupant.",
          NULL } } },

    { "/ban",
        cmd_ban, parse_args_with_freetext, 1, 2, NULL,
        { "/ban jid [reason]", "Ban users from chat rooms.",
        { "/ban jid [reason]",
          "-----------------",
          "Ban users from chat rooms.",
          "",
          "jid    - Bare JID of the user to ban from the room.",
          "reason - Optional reason for banning the user.",
          NULL } } },

    { "/subject",
        cmd_subject, parse_args_with_freetext, 0, 2, NULL,
        { "/subject set|clear [subject]", "Set or clear room subject.",
        { "/subject set|clear [subject]",
          "----------------------------",
          "Set or clear room subject.",
          "",
          "set subject  - Set the room subject.",
          "clear        - Clear the room subject.",
          NULL } } },

    { "/affiliation",
        cmd_affiliation, parse_args_with_freetext, 1, 4, NULL,
        { "/affiliation set|list [affiliation] [jid] [reason]", "Manage room affiliations.",
        { "/affiliation set|list [affiliation] [jid] [reason]",
          "--------------------------------------------------",
          "Manage room affiliations.",
          "",
          "set affiliation jid [reason]- Set the affiliation of user with jid, with an optional reason.",
          "list [affiliation]          - List all users with the specified affiliation, or all if none specified.",
          "",
          "The affiliation may be one of owner, admin, member, outcast or none.",
          NULL } } },

    { "/role",
        cmd_role, parse_args_with_freetext, 1, 4, NULL,
        { "/role set|list [role] [nick] [reason]", "Manage room roles.",
        { "/role set|list [role] [nick] [reason]",
          "-------------------------------------",
          "Manage room roles.",
          "",
          "set role nick [reason] - Set the role of occupant with nick, with an optional reason.",
          "list [role]            - List all occupants with the specified role, or all if none specified.",
          "",
          "The role may be one of moderator, participant, visitor or none.",
          NULL } } },

    { "/occupants",
        cmd_occupants, parse_args, 1, 2, cons_occupants_setting,
        { "/occupants show|hide|default|size [show|hide] [percent]", "Show or hide room occupants.",
        { "/occupants show|hide|default|size [show|hide] [percent]",
          "-------------------------------------------------------",
          "Show or hide room occupants, and occupants panel display settings.",
          "",
          "show              - Show the occupants panel in chat rooms.",
          "hide              - Hide the occupants panel in chat rooms.",
          "default show|hide - Whether occupants are shown by default in new rooms, 'show' or 'hide'",
          "size percent      - Percentage of the screen taken by the occupants list in rooms (1-99).",
          NULL } } },

    { "/form",
        cmd_form, parse_args, 1, 2, NULL,
        { "/form show|submit|cancel|help [tag]", "Form handling.",
        { "/form show|submit|cancel|help [tag]",
          "-----------------------------------",
          "Form configuration.",
          "",
          "show             - Show the current form.",
          "submit           - Submit the current form.",
          "cancel           - Cancel changes to the current form.",
          "help [tag]       - Display help for form, or a specific field.",
          NULL } } },

    { "/rooms", // TODO help review
        cmd_rooms, parse_args, 0, 1, NULL,
        { "/rooms [conference-service]", "List chat rooms.",
        { "/rooms [conference-service]",
          "---------------------------",
          "List the chat rooms available at the specified conference service",
          "",
          "conference-service - The conference service to query.",
          "",
          "If no argument is supplied, the account preference 'muc.service' is used, 'conference.<domain-part>' by default.",
          NULL } } },

    { "/bookmark",
        cmd_bookmark, parse_args, 0, 8, NULL,
        { "/bookmark [command] [args..]", "Manage bookmarks.",
        { "/bookmark [command] [args..]",
          "----------------------------",
          "Manage bookmarks and join bookmarked rooms.",
          "",
          "command - list|add|update|remove|join",
          "",
          "list                              - List all bookmarks.",
          "add room@server [prop value..]    - Add a bookmark for room@server with the following optional properties:",
          "  nick value                      - Nickname used in the chat room",
          "  password value                  - Password if required, may be stored in plaintext on your server",
          "  autojoin on|off                 - Whether to join the room automatically on login.",
          "update room@server [prop value..] - Update any of the above properties associated with the bookmark.",
          "remove room@server                - Remove the bookmark for room@server.",
          "join room@server                  - Join room using the properties associated with the bookmark.",
          "",
          "In a chat room, /bookmark with no arguments will bookmark the current room, setting autojoin to \"on\".",
          NULL } } },

    { "/disco",
        cmd_disco, parse_args, 1, 2, NULL,
        { "/disco info|items entity", "Service discovery.",
        { "/disco info|items entity",
          "---------------------",
          "Find out information about an entities supported services.",
          "",
          "info   - List protocols and features supported by an entity.",
          "items  - List items associated with an entity.",
          "entity - Jabber ID.",
          NULL } } },

    { "/nick",
        cmd_nick, parse_args_with_freetext, 1, 1, NULL,
        { "/nick nickname", "Change nickname in chat room.",
        { "/nick nickname",
          "--------------",
          "Change the name by which other members of a chat room see you.",
          "",
          "nickname - The new nickname.",
          NULL } } },

    { "/win",
        cmd_win, parse_args, 1, 1, NULL,
        { "/win num", "View a window.",
        { "/win num",
          "--------",
          "Show the contents of a specific window in the main window area.",
          "",
          "num - Window number to display.",
          NULL } } },

    { "/wins",
        cmd_wins, parse_args, 0, 3, NULL,
        { "/wins [tidy|prune|swap] [source target]", "List or tidy active windows.",
        { "/wins [tidy|prune|swap] [source target]",
          "---------------------------------------",
          "Show a list of windows, or tidy or swap.",
          "",
          "tidy               - Move windows so there are no gaps.",
          "prune              - Close all windows with no unread messages, and then tidy as above.",
          "swap source target - Swap windows, target may be an empty position.",
          "",
          "Passing no argument will list all currently active windows and information about their usage.",
          NULL } } },

    { "/sub",
        cmd_sub, parse_args, 1, 2, NULL,
        { "/sub request|allow|deny|show|sent|received [jid]", "Manage subscriptions.",
        { "/sub request|allow|deny|show|sent|received [jid]",
          "------------------------------------------------",
          "Manage subscriptions to contact presence.",
          "",
          "request [jid] - Send a subscription request to the user.",
          "allow [jid]   - Approve a contact's subscription reqeust.",
          "deny [jid]    - Remove subscription for a contact, or deny a request",
          "show [jid]    - Show subscriprion status for a contact.",
          "sent          - Show all sent subscription requests pending a response.",
          "received      - Show all received subscription requests awaiting your response.",
          "",
          "If jid is omitted, the contact of the current window is used.",
          NULL  } } },

    { "/tiny",
        cmd_tiny, parse_args, 1, 1, NULL,
        { "/tiny url", "Send url as tinyurl in current chat.",
        { "/tiny url",
          "---------",
          "Send url as tinyurl in current chat.",
          "",
          "url - The url to make tiny.",
          NULL } } },

    { "/who",
        cmd_who, parse_args, 0, 2, NULL,
        { "/who [status|role|affiliation] [group]", "Show contacts/room occupants with chosen status, role or affiliation",
        { "/who [status|role|affiliation] [group]",
          "--------------------------------------",
          "Show contacts/room occupants with chosen status, role or affiliation",
          "",
          "status - online|offline|away|dnd|xa|chat|available|unavailable|any",
          "  online      - Contacts that are online, chat, away, xa, dnd",
          "  available   - Contacts that are available for chat - online, chat.",
          "  unavailable - Contacts that are not available for chat - offline, away, xa, dnd.",
          "  any         - Contacts with any status (same as calling with no argument).",
          "role        - moderator|participant|visitor",
          "affiliation - owner|admin|member",
          "group       - Filter the results by the specfied group.",
          NULL } } },

    { "/close",
        cmd_close, parse_args, 0, 1, NULL,
        { "/close [num|read|all]", "Close windows.",
        { "/close [num|read|all]",
          "---------------------",
          "Close the current window, or a number of windows.",
          "",
          "num  - Close the specified window.",
          "all  - Close all windows.",
          "read - Close all windows that have no new messages.",
          "",
          "Passing no argument will close the current window.",
          NULL } } },

    { "/clear",
        cmd_clear, parse_args, 0, 0, NULL,
        { "/clear", "Clear current window.",
        { "/clear",
          "------",
          "Clear the current window.",
          NULL } } },

    { "/quit",
        cmd_quit, parse_args, 0, 0, NULL,
        { "/quit", "Quit Profanity.",
        { "/quit",
          "-----",
          "Logout of any current session, and quit Profanity.",
          NULL } } },

    { "/privileges",
        cmd_privileges, parse_args, 1, 1, &cons_privileges_setting,
        { "/privileges on|off", "Show occupant privileges in chat rooms.",
        { "/privileges on|off",
          "------------------",
          "If enabled the room occupants panel will be grouped by role, and role information will be shown in the room.",
          NULL } } },

    { "/beep",
        cmd_beep, parse_args, 1, 1, &cons_beep_setting,
        { "/beep on|off", "Terminal beep on new messages.",
        { "/beep on|off",
          "------------",
          "Switch the terminal bell on or off.",
          "The bell will sound when incoming messages are received.",
          "If the terminal does not support sounds, it may attempt to flash the screen instead.",
          NULL } } },

    { "/presence",
        cmd_presence, parse_args, 1, 1, &cons_presence_setting,
        { "/presence on|off", "Show the contacts presence in the titlebar.",
        { "/presence on|off",
          "----------------",
          "Switch display of the contacts presence in the titlebar on or off.",
          NULL } } },

    { "/wrap",
        cmd_wrap, parse_args, 1, 1, &cons_wrap_setting,
        { "/wrap on|off", "Word wrapping.",
        { "/wrap on|off",
          "------------",
          "Enable or disable word wrapping in the main window.",
          NULL } } },

    { "/time",
        cmd_time, parse_args, 1, 1, &cons_time_setting,
        { "/time minutes|seconds", "Time display.",
        { "/time minutes|seconds",
          "---------------------",
          "Configure time precision for the main window.",
          NULL } } },

    { "/inpblock", // TODO review
        cmd_inpblock, parse_args, 2, 2, &cons_inpblock_setting,
        { "/inpblock timeout|dynamic [millis|on|off]", "Input blocking delay (dynamic or static).",
        { "/inpblock timeout|dynamic [millis|on|off]",
          "-----------------------------------------",
          "How long to wait for input before checking for new messages or checking for state changes such as 'idle'.",
          "timeout : Time to wait in milliseconds before reading input from the terminal buffer, defaults to 500.",
          "        : Valid values are 1-1000.",
          "dynamic : Start with a 0 timeout and increase the value dynamically up to the specified 'timeout'.",
          "        : on|off",
          "A higher timeout will result in less CPU usage, but a noticable delay for response to input.",
          "A lower timeout will result in higher CPU usage, but faster response to input.",
          "Using the dynamic setting, higher CPU usage will occur during activity, but over time the CPU usage will decrease whilst there is no activity.",
          NULL } } },

    { "/notify",
        cmd_notify, parse_args, 2, 3, &cons_notify_setting,
        { "/notify [type value]|[type setting value]", "Control various desktop noficiations.",
        { "/notify [type value]|[type setting value]",
          "-----------------------------------------",
          "Settings for various desktop notifications where type is one of:",
          "message         : Notificaitons for regular messages.",
          "                : on|off",
          "message current : Whether messages in the current window trigger notifications.",
          "                : on|off",
          "message text    : Show message text in message notifications.",
          "                : on|off",
          "room            : Notificaitons for chat room messages.",
          "                : on|off|mention",
          "room current    : Whether chat room messages in the current window trigger notifications.",
          "                : on|off",
          "room text       : Show message test in chat room message notifications.",
          "                : on|off",
          "remind          : Notification reminders of unread messages.",
          "                : where value is the reminder period in seconds,",
          "                : use 0 to disable.",
          "typing          : Notifications when contacts are typing.",
          "                : on|off",
          "typing current  : Whether typing notifications are triggerd for the current window.",
          "                : on|off",
          "invite          : Notifications for chat room invites.",
          "                : on|off",
          "sub             : Notifications for subscription requests.",
          "                : on|off",
          "",
          "Example : /notify message on        (enable message notifications)",
          "Example : /notify message text on   (show message text in notifications)",
          "Example : /notify room mention      (enable chat room notifications only on mention)",
          "Example : /notify room current off  (disable room message notifications when window visible)",
          "Example : /notify room text off     (do not show message text in chat room notifications)",
          "Example : /notify remind 10         (remind every 10 seconds)",
          "Example : /notify remind 0          (switch off reminders)",
          "Example : /notify typing on         (enable typing notifications)",
          "Example : /notify invite on         (enable chat room invite notifications)",
          NULL } } },

    { "/flash",
        cmd_flash, parse_args, 1, 1, &cons_flash_setting,
        { "/flash on|off", "Terminal flash on new messages.",
        { "/flash on|off",
          "-------------",
          "Make the terminal flash when incoming messages are received.",
          "The flash will only occur if you are not in the chat window associated with the user sending the message.",
          "If the terminal doesn't support flashing, it may attempt to beep.",
          NULL } } },

    { "/intype",
        cmd_intype, parse_args, 1, 1, &cons_intype_setting,
        { "/intype on|off", "Show when contact is typing.",
        { "/intype on|off",
          "--------------",
          "Show when a contact is typing in the console, and in active message window.",
          NULL } } },

    { "/splash",
        cmd_splash, parse_args, 1, 1, &cons_splash_setting,
        { "/splash on|off", "Splash logo on startup and /about command.",
        { "/splash on|off",
          "--------------",
          "Switch on or off the ascii logo on start up and when the /about command is called.",
          NULL } } },

    { "/autoconnect",
        cmd_autoconnect, parse_args, 1, 2, &cons_autoconnect_setting,
        { "/autoconnect set|off [account]", "Set account to autoconnect with.",
        { "/autoconnect set|off [account]",
          "------------------------------",
          "Enable or disable autoconnect on start up.",
          "The setting can be overridden by the -a (--account) command line option.",
          "",
          "Example: /autoconnect set jc@stuntteam.org (autoconnect with the specified account).",
          "Example: /autoconnect off                  (disable autoconnect).",
          NULL } } },

    { "/vercheck",
        cmd_vercheck, parse_args, 0, 1, NULL,
        { "/vercheck [on|off]", "Check for a new release.",
        { "/vercheck [on|off]",
          "------------------",
          "Without a parameter will check for a new release.",
          "Switching on or off will enable/disable a version check when Profanity starts, and each time the /about command is run.",
          NULL  } } },

    { "/titlebar",
        cmd_titlebar, parse_args, 2, 2, &cons_titlebar_setting,
        { "/titlebar show|goodbye on|off", "Manage the terminal window title.",
        { "/titlebar show|goodbye on|off",
          "---------------------",
          "Show or hide a title and exit message in the terminal window title.",
          "show    - Show current logged in user, and unread messages in the title.",
          "goodbye - Show a message in the title when exiting profanity.",
          NULL  } } },

    { "/mouse",
        cmd_mouse, parse_args, 1, 1, &cons_mouse_setting,
        { "/mouse on|off", "Use profanity mouse handling.",
        { "/mouse on|off",
          "-------------",
          "If set to 'on', profanity will handle mouse actions, which enables scrolling the main window with the mouse wheel.",
          "To select text, use the shift key while selcting an area.",
          "If set to 'off', profanity leaves mouse handling to the terminal implementation.",
          "This feature is experimental, certain mouse click events may occasionally freeze",
          "Profanity until a key is pressed or another mouse event is received",
          "The default is 'off'.",
          NULL } } },

    { "/alias",
        cmd_alias, parse_args_with_freetext, 1, 3, NULL,
        { "/alias add|remove|list [name value]", "Add your own command aliases.",
        { "/alias add|remove|list [name value]",
          "-----------------------------------",
          "Add, remove or show command aliases.",
          "The alias will be available as a command, the leading '/' will be added if not supplied.",
          "Example : /alias add friends /who online friends",
          "Example : /alias add /q /quit",
          "Example : /alias a /away \"I'm in a meeting.\"",
          "Example : /alias remove q",
          "Example : /alias list",
          "The above aliases will be available as /friends and /a",
          NULL } } },

    { "/chlog",
        cmd_chlog, parse_args, 1, 1, &cons_chlog_setting,
        { "/chlog on|off", "Chat logging to file.",
        { "/chlog on|off",
          "-------------",
          "Switch chat logging on or off.",
          "This setting will be enabled if /history is set to on.",
          "When disabling this option, /history will also be disabled.",
          "See the /grlog setting for enabling logging of chat room (groupchat) messages.",
          NULL } } },

    { "/grlog",
        cmd_grlog, parse_args, 1, 1, &cons_grlog_setting,
        { "/grlog on|off", "Chat logging of chat rooms to file.",
        { "/grlog on|off",
          "-------------",
          "Switch chat room logging on or off.",
          "See the /chlog setting for enabling logging of one to one chat.",
          NULL } } },

    { "/states",
        cmd_states, parse_args, 1, 1, &cons_states_setting,
        { "/states on|off", "Send chat states during a chat session.",
        { "/states on|off",
          "--------------",
          "Sending of chat state notifications during chat sessions.",
          "Such as whether you have become inactive, or have closed the chat window.",
          NULL } } },

    { "/otr",
        cmd_otr, parse_args, 1, 3, NULL,
        { "/otr gen|myfp|theirfp|start|end|trust|untrust|log|warn|libver|policy|secret|question|answer", "Off The Record encryption commands.",
        { "/otr gen|myfp|theirfp|start|end|trust|untrust|log|warn|libver|policy|secret|question|answer",
          "-------------------------------------------------------------------------------------------",
          "gen - Generate your private key.",
          "myfp - Show your fingerprint.",
          "theirfp - Show contacts fingerprint.",
          "start [contact] - Start an OTR session with the contact, or the current recipient if in a chat window and no argument supplied.",
          "end - End the current OTR session,",
          "trust - Indicate that you have verified the contact's fingerprint.",
          "untrust - Indicate the the contact's fingerprint is not verified,",
          "log - How to log OTR messages, options are 'on', 'off' and 'redact', with redaction being the default.",
          "warn - Show when unencrypted messaging is being used in the title bar, options are 'on' and 'off' with 'on' being the default.",
          "libver - Show which version of the libotr library is being used.",
          "policy - manual, opportunistic or always.",
          "secret [secret]- Verify a contacts identity using a shared secret.",
          "question [question] [answer] - Verify a contacts identity using a question and expected anwser, if the question has spaces, surround with double quotes.",
          "answer [answer] - Respond to a question answer verification request with your answer.",
          NULL } } },

    { "/outtype",
        cmd_outtype, parse_args, 1, 1, &cons_outtype_setting,
        { "/outtype on|off", "Send typing notification to recipient.",
        { "/outtype on|off",
          "---------------",
          "Send an indication that you are typing to the chat recipient.",
          "Chat states (/states) will be enabled if this setting is set.",
          NULL } } },

    { "/gone",
        cmd_gone, parse_args, 1, 1, &cons_gone_setting,
        { "/gone minutes", "Send 'gone' state to recipient after a period.",
        { "/gone minutes",
          "-------------",
          "Send a 'gone' state to the recipient after the specified number of minutes."
          "This indicates to the recipient's client that you have left the conversation.",
          "A value of 0 will disable sending this chat state.",
          "Chat states (/states) will be enabled if this setting is set.",
          NULL } } },

    { "/history",
        cmd_history, parse_args, 1, 1, &cons_history_setting,
        { "/history on|off", "Chat history in message windows.",
        { "/history on|off",
          "---------------",
          "Switch chat history on or off, /chlog will automatically be enabled when this setting is on.",
          "When history is enabled, previous messages are shown in chat windows.",
          NULL } } },

    { "/log",
        cmd_log, parse_args, 1, 2, &cons_log_setting,
        { "/log [property] [value]", "Manage system logging settings.",
        { "/log [property] [value]",
          "-----------------------",
          "where   : Show the current log file location.",
          "Property may be one of:",
          "rotate  : Rotate log, accepts 'on' or 'off', defaults to 'on'.",
          "maxsize : With rotate enabled, specifies the max log size, defaults to 1048580 (1MB).",
          "shared  : Share logs between all instances, accepts 'on' or 'off', defaults to 'on'.",
          NULL } } },

    { "/reconnect",
        cmd_reconnect, parse_args, 1, 1, &cons_reconnect_setting,
        { "/reconnect seconds", "Set reconnect interval.",
        { "/reconnect seconds",
          "------------------",
          "Set the reconnect attempt interval in seconds for when the connection is lost.",
          "A value of 0 will switch off reconnect attempts.",
          NULL } } },

    { "/autoping",
        cmd_autoping, parse_args, 1, 1, &cons_autoping_setting,
        { "/autoping seconds", "Server ping interval.",
        { "/autoping seconds",
          "-----------------",
          "Set the number of seconds between server pings, so ensure connection kept alive.",
          "A value of 0 will switch off autopinging the server.",
          NULL } } },

    { "/ping",
        cmd_ping, parse_args, 0, 1, NULL,
        { "/ping [target]", "Send ping IQ request.",
        { "/ping [rarget]",
          "--------------",
          "Sends an IQ ping stanza to the specificed target.",
          "If no target is supplied, your chat server will be used.",
          NULL } } },

    { "/autoaway",
        cmd_autoaway, parse_args_with_freetext, 2, 2, &cons_autoaway_setting,
        { "/autoaway setting value", "Set auto idle/away properties.",
        { "/autoaway setting value",
          "-----------------------",
          "'setting' may be one of 'mode', 'time', 'message' or 'check', with the following values:",
          "",
          "mode    : idle - Sends idle time, whilst your status remains online.",
          "          away - Sends an away presence.",
          "          off - Disabled (default).",
          "time    : Number of minutes before the presence change is sent, the default is 15.",
          "message : Optional message to send with the presence change.",
          "        : off - Disable message (default).",
          "check   : on|off, when enabled, checks for activity and sends online presence, default is 'on'.",
          "",
          "Example: /autoaway mode idle",
          "Example: /autoaway time 30",
          "Example: /autoaway message I'm not really doing much",
          "Example: /autoaway check off",
          NULL } } },

    { "/priority",
        cmd_priority, parse_args, 1, 1, &cons_priority_setting,
        { "/priority value", "Set priority for the current account.",
        { "/priority value",
          "---------------",
          "Set priority for the current account, presence will be sent when calling this command.",
          "See the /account command for more specific priority settings per presence status.",
          "value : Number between -128 and 127. Default value is 0.",
          NULL } } },

    { "/account",
        cmd_account, parse_args, 0, 4, NULL,
        { "/account [command] [account] [property] [value]", "Manage accounts.",
        { "/account [command] [account] [property] [value]",
          "-----------------------------------------------",
          "Commands for creating and managing accounts.",
          "list                         : List all accounts.",
          "show account                 : Show information about an account.",
          "enable account               : Enable the account, it will be used for autocomplete.",
          "disable account              : Disable the account.",
          "default [set|off] [account]  : Set the default account.",
          "add account                  : Create a new account.",
          "remove account               : Remove an account.",
          "rename account newname       : Rename account to newname.",
          "set account property value   : Set 'property' of 'account' to 'value'.",
          "clear account property value : Clear 'property' of 'account'.",
          "",
          "When connected, the /account command can be called with no arguments, to show current account settings.",
          "",
          "The set command may use one of the following for 'property'.",
          "jid              : The Jabber ID of the account, the account name will be used if this property is not set.",
          "server           : The chat server, if different to the domainpart of the JID.",
          "port             : The port used for connecting if not the default (5222, or 5223 for SSL).",
          "status           : The presence status to use on login, use 'last' to use whatever your last status was.",
          "online|chat|away",
          "|xa|dnd          : Priority for the specified presence.",
          "resource         : The resource to be used.",
          "password         : Password for the account, note this is currently stored in plaintext if set.",
          "eval_password    : Shell command evaluated to retrieve password for the account.  Can be used to retrieve password from keyring.",
          "muc              : The default MUC chat service to use.",
          "nick             : The default nickname to use when joining chat rooms.",
          "otr              : Override global OTR policy for this account: manual, opportunistic or always.",
          "",
          "The clear command works for password, port and server",
          "",
          "Example : /account add work",
          "        : /account set work jid me@chatty",
          "        : /account set work server talk.chat.com",
          "        : /account set work port 5111",
          "        : /account set work resource desktop",
          "        : /account set work muc chatservice.mycompany.com",
          "        : /account set work nick dennis",
          "        : /account set work status dnd",
          "        : /account set work dnd -1",
          "        : /account set work online 10",
          "        : /account rename work gtalk",
          NULL  } } },

    { "/prefs",
        cmd_prefs, parse_args, 0, 1, NULL,
        { "/prefs [area]", "Show configuration.",
        { "/prefs [area]",
          "-------------",
          "Area is one of:",
          "ui       : User interface preferences.",
          "desktop  : Desktop notification preferences.",
          "chat     : Chat state preferences.",
          "log      : Logging preferences.",
          "conn     : Connection handling preferences.",
          "presence : Chat presence preferences.",
          "",
          "No argument shows all categories.",
          NULL } } },

    { "/theme",
        cmd_theme, parse_args, 1, 2, &cons_theme_setting,
        { "/theme list|set|colours [theme-name]", "Change colour theme.",
        { "/theme list|set|colours [theme-name]",
          "------------------------------------",
          "Change the colour settings used.",
          "",
          "list           : List all available themes.",
          "set theme-name : Load the named theme.\"default\" will reset to the default colours.",
          "colours        : Show the colour values as rendered by the terminal.",
          "",
          "Example : /theme list",
          "Example : /theme set mycooltheme",
          NULL } } },


    { "/statuses",
        cmd_statuses, parse_args, 2, 2, &cons_statuses_setting,
        { "/statuses console|chat|muc setting", "Set preferences for presence change messages.",
        { "/statuses console|chat|muc setting",
          "----------------------------------",
          "Configure how presence changes are displayed in various windows.",
          "Settings:",
          "  all - Show all presence changes.",
          "  online - Show only online/offline changes.",
          "  none - Don't show any presence changes.",
          "The default is 'all' for all windows.",
          NULL } } },

    { "/xmlconsole",
        cmd_xmlconsole, parse_args, 0, 0, NULL,
        { "/xmlconsole", "Open the XML console",
        { "/xmlconsole",
          "-----------",
          "Open the XML console to view incoming and outgoing XMPP traffic.",
          NULL } } },

    { "/away",
        cmd_away, parse_args_with_freetext, 0, 1, NULL,
        { "/away [msg]", "Set status to away.",
        { "/away [msg]",
          "-----------",
          "Set your status to 'away' with the optional message.",
          "Your current status can be found in the top right of the screen.",
          "",
          "Example : /away Gone for lunch",
          NULL } } },

    { "/chat",
        cmd_chat, parse_args_with_freetext, 0, 1, NULL,
        { "/chat [msg]", "Set status to chat (available for chat).",
        { "/chat [msg]",
          "-----------",
          "Set your status to 'chat', meaning 'available for chat', with the optional message.",
          "Your current status can be found in the top right of the screen.",
          "",
          "Example : /chat Please talk to me!",
          NULL } } },

    { "/dnd",
        cmd_dnd, parse_args_with_freetext, 0, 1, NULL,
        { "/dnd [msg]", "Set status to dnd (do not disturb).",
        { "/dnd [msg]",
          "----------",
          "Set your status to 'dnd', meaning 'do not disturb', with the optional message.",
          "Your current status can be found in the top right of the screen.",
          "",
          "Example : /dnd I'm in the zone",
          NULL } } },

    { "/online",
        cmd_online, parse_args_with_freetext, 0, 1, NULL,
        { "/online [msg]", "Set status to online.",
        { "/online [msg]",
          "-------------",
          "Set your status to 'online' with the optional message.",
          "Your current status can be found in the top right of the screen.",
          "",
          "Example : /online Up the Irons!",
          NULL } } },

    { "/xa",
        cmd_xa, parse_args_with_freetext, 0, 1, NULL,
        { "/xa [msg]", "Set status to xa (extended away).",
        { "/xa [msg]",
          "---------",
          "Set your status to 'xa', meaning 'extended away', with the optional message.",
          "Your current status can be found in the top right of the screen.",
          "",
          "Example : /xa This meeting is going to be a long one",
          NULL } } },
};

static Autocomplete commands_ac;
static Autocomplete who_room_ac;
static Autocomplete who_roster_ac;
static Autocomplete help_ac;
static Autocomplete notify_ac;
static Autocomplete notify_room_ac;
static Autocomplete notify_message_ac;
static Autocomplete notify_typing_ac;
static Autocomplete prefs_ac;
static Autocomplete sub_ac;
static Autocomplete log_ac;
static Autocomplete autoaway_ac;
static Autocomplete autoaway_mode_ac;
static Autocomplete autoconnect_ac;
static Autocomplete titlebar_ac;
static Autocomplete theme_ac;
static Autocomplete theme_load_ac;
static Autocomplete account_ac;
static Autocomplete account_set_ac;
static Autocomplete account_clear_ac;
static Autocomplete account_default_ac;
static Autocomplete disco_ac;
static Autocomplete close_ac;
static Autocomplete wins_ac;
static Autocomplete roster_ac;
static Autocomplete roster_option_ac;
static Autocomplete roster_by_ac;
static Autocomplete group_ac;
static Autocomplete bookmark_ac;
static Autocomplete bookmark_property_ac;
static Autocomplete otr_ac;
static Autocomplete otr_log_ac;
static Autocomplete otr_policy_ac;
static Autocomplete connect_property_ac;
static Autocomplete statuses_ac;
static Autocomplete statuses_setting_ac;
static Autocomplete alias_ac;
static Autocomplete aliases_ac;
static Autocomplete join_property_ac;
static Autocomplete room_ac;
static Autocomplete affiliation_ac;
static Autocomplete role_ac;
static Autocomplete privilege_cmd_ac;
static Autocomplete subject_ac;
static Autocomplete form_ac;
static Autocomplete form_field_multi_ac;
static Autocomplete occupants_ac;
static Autocomplete occupants_default_ac;
static Autocomplete time_ac;
static Autocomplete resource_ac;
static Autocomplete inpblock_ac;

/*
 * Initialise command autocompleter and history
 */
void
cmd_init(void)
{
    log_info("Initialising commands");

    commands_ac = autocomplete_new();
    aliases_ac = autocomplete_new();

    help_ac = autocomplete_new();
    autocomplete_add(help_ac, "commands");
    autocomplete_add(help_ac, "basic");
    autocomplete_add(help_ac, "chatting");
    autocomplete_add(help_ac, "groupchat");
    autocomplete_add(help_ac, "presences");
    autocomplete_add(help_ac, "contacts");
    autocomplete_add(help_ac, "service");
    autocomplete_add(help_ac, "settings");
    autocomplete_add(help_ac, "navigation");

    // load command defs into hash table
    commands = g_hash_table_new(g_str_hash, g_str_equal);
    unsigned int i;
    for (i = 0; i < ARRAY_SIZE(command_defs); i++) {
        Command *pcmd = command_defs+i;

        // add to hash
        g_hash_table_insert(commands, pcmd->cmd, pcmd);

        // add to commands and help autocompleters
        autocomplete_add(commands_ac, pcmd->cmd);
        autocomplete_add(help_ac, pcmd->cmd+1);
    }

    // load aliases
    GList *aliases = prefs_get_aliases();
    GList *curr = aliases;
    while (curr != NULL) {
        ProfAlias *alias = curr->data;
        GString *ac_alias = g_string_new("/");
        g_string_append(ac_alias, alias->name);
        autocomplete_add(commands_ac, ac_alias->str);
        autocomplete_add(aliases_ac, alias->name);
        g_string_free(ac_alias, TRUE);
        curr = g_list_next(curr);
    }
    prefs_free_aliases(aliases);

    prefs_ac = autocomplete_new();
    autocomplete_add(prefs_ac, "ui");
    autocomplete_add(prefs_ac, "desktop");
    autocomplete_add(prefs_ac, "chat");
    autocomplete_add(prefs_ac, "log");
    autocomplete_add(prefs_ac, "conn");
    autocomplete_add(prefs_ac, "presence");
    autocomplete_add(prefs_ac, "otr");

    notify_ac = autocomplete_new();
    autocomplete_add(notify_ac, "message");
    autocomplete_add(notify_ac, "room");
    autocomplete_add(notify_ac, "typing");
    autocomplete_add(notify_ac, "remind");
    autocomplete_add(notify_ac, "invite");
    autocomplete_add(notify_ac, "sub");

    notify_message_ac = autocomplete_new();
    autocomplete_add(notify_message_ac, "on");
    autocomplete_add(notify_message_ac, "off");
    autocomplete_add(notify_message_ac, "current");
    autocomplete_add(notify_message_ac, "text");

    notify_room_ac = autocomplete_new();
    autocomplete_add(notify_room_ac, "on");
    autocomplete_add(notify_room_ac, "off");
    autocomplete_add(notify_room_ac, "mention");
    autocomplete_add(notify_room_ac, "current");
    autocomplete_add(notify_room_ac, "text");

    notify_typing_ac = autocomplete_new();
    autocomplete_add(notify_typing_ac, "on");
    autocomplete_add(notify_typing_ac, "off");
    autocomplete_add(notify_typing_ac, "current");

    sub_ac = autocomplete_new();
    autocomplete_add(sub_ac, "request");
    autocomplete_add(sub_ac, "allow");
    autocomplete_add(sub_ac, "deny");
    autocomplete_add(sub_ac, "show");
    autocomplete_add(sub_ac, "sent");
    autocomplete_add(sub_ac, "received");

    titlebar_ac = autocomplete_new();
    autocomplete_add(titlebar_ac, "show");
    autocomplete_add(titlebar_ac, "goodbye");

    log_ac = autocomplete_new();
    autocomplete_add(log_ac, "maxsize");
    autocomplete_add(log_ac, "rotate");
    autocomplete_add(log_ac, "shared");
    autocomplete_add(log_ac, "where");

    autoaway_ac = autocomplete_new();
    autocomplete_add(autoaway_ac, "mode");
    autocomplete_add(autoaway_ac, "time");
    autocomplete_add(autoaway_ac, "message");
    autocomplete_add(autoaway_ac, "check");

    autoaway_mode_ac = autocomplete_new();
    autocomplete_add(autoaway_mode_ac, "away");
    autocomplete_add(autoaway_mode_ac, "idle");
    autocomplete_add(autoaway_mode_ac, "off");

    autoconnect_ac = autocomplete_new();
    autocomplete_add(autoconnect_ac, "set");
    autocomplete_add(autoconnect_ac, "off");

    theme_ac = autocomplete_new();
    autocomplete_add(theme_ac, "list");
    autocomplete_add(theme_ac, "set");
    autocomplete_add(theme_ac, "colours");

    disco_ac = autocomplete_new();
    autocomplete_add(disco_ac, "info");
    autocomplete_add(disco_ac, "items");

    account_ac = autocomplete_new();
    autocomplete_add(account_ac, "list");
    autocomplete_add(account_ac, "show");
    autocomplete_add(account_ac, "add");
    autocomplete_add(account_ac, "remove");
    autocomplete_add(account_ac, "enable");
    autocomplete_add(account_ac, "disable");
    autocomplete_add(account_ac, "default");
    autocomplete_add(account_ac, "rename");
    autocomplete_add(account_ac, "set");
    autocomplete_add(account_ac, "clear");

    account_set_ac = autocomplete_new();
    autocomplete_add(account_set_ac, "jid");
    autocomplete_add(account_set_ac, "server");
    autocomplete_add(account_set_ac, "port");
    autocomplete_add(account_set_ac, "status");
    autocomplete_add(account_set_ac, "online");
    autocomplete_add(account_set_ac, "chat");
    autocomplete_add(account_set_ac, "away");
    autocomplete_add(account_set_ac, "xa");
    autocomplete_add(account_set_ac, "dnd");
    autocomplete_add(account_set_ac, "resource");
    autocomplete_add(account_set_ac, "password");
    autocomplete_add(account_set_ac, "eval_password");
    autocomplete_add(account_set_ac, "muc");
    autocomplete_add(account_set_ac, "nick");
    autocomplete_add(account_set_ac, "otr");

    account_clear_ac = autocomplete_new();
    autocomplete_add(account_clear_ac, "password");
    autocomplete_add(account_clear_ac, "eval_password");
    autocomplete_add(account_clear_ac, "server");
    autocomplete_add(account_clear_ac, "port");
    autocomplete_add(account_clear_ac, "otr");

    account_default_ac = autocomplete_new();
    autocomplete_add(account_default_ac, "set");
    autocomplete_add(account_default_ac, "off");

    close_ac = autocomplete_new();
    autocomplete_add(close_ac, "read");
    autocomplete_add(close_ac, "all");

    wins_ac = autocomplete_new();
    autocomplete_add(wins_ac, "prune");
    autocomplete_add(wins_ac, "tidy");
    autocomplete_add(wins_ac, "swap");

    roster_ac = autocomplete_new();
    autocomplete_add(roster_ac, "add");
    autocomplete_add(roster_ac, "online");
    autocomplete_add(roster_ac, "nick");
    autocomplete_add(roster_ac, "clearnick");
    autocomplete_add(roster_ac, "remove");
    autocomplete_add(roster_ac, "show");
    autocomplete_add(roster_ac, "hide");
    autocomplete_add(roster_ac, "by");
    autocomplete_add(roster_ac, "size");

    roster_option_ac = autocomplete_new();
    autocomplete_add(roster_option_ac, "offline");
    autocomplete_add(roster_option_ac, "resource");

    roster_by_ac = autocomplete_new();
    autocomplete_add(roster_by_ac, "group");
    autocomplete_add(roster_by_ac, "presence");
    autocomplete_add(roster_by_ac, "none");

    group_ac = autocomplete_new();
    autocomplete_add(group_ac, "show");
    autocomplete_add(group_ac, "add");
    autocomplete_add(group_ac, "remove");

    theme_load_ac = NULL;

    who_roster_ac = autocomplete_new();
    autocomplete_add(who_roster_ac, "chat");
    autocomplete_add(who_roster_ac, "online");
    autocomplete_add(who_roster_ac, "away");
    autocomplete_add(who_roster_ac, "xa");
    autocomplete_add(who_roster_ac, "dnd");
    autocomplete_add(who_roster_ac, "offline");
    autocomplete_add(who_roster_ac, "available");
    autocomplete_add(who_roster_ac, "unavailable");
    autocomplete_add(who_roster_ac, "any");

    who_room_ac = autocomplete_new();
    autocomplete_add(who_room_ac, "chat");
    autocomplete_add(who_room_ac, "online");
    autocomplete_add(who_room_ac, "away");
    autocomplete_add(who_room_ac, "xa");
    autocomplete_add(who_room_ac, "dnd");
    autocomplete_add(who_room_ac, "available");
    autocomplete_add(who_room_ac, "unavailable");
    autocomplete_add(who_room_ac, "moderator");
    autocomplete_add(who_room_ac, "participant");
    autocomplete_add(who_room_ac, "visitor");
    autocomplete_add(who_room_ac, "owner");
    autocomplete_add(who_room_ac, "admin");
    autocomplete_add(who_room_ac, "member");

    bookmark_ac = autocomplete_new();
    autocomplete_add(bookmark_ac, "list");
    autocomplete_add(bookmark_ac, "add");
    autocomplete_add(bookmark_ac, "update");
    autocomplete_add(bookmark_ac, "remove");
    autocomplete_add(bookmark_ac, "join");

    bookmark_property_ac = autocomplete_new();
    autocomplete_add(bookmark_property_ac, "nick");
    autocomplete_add(bookmark_property_ac, "password");
    autocomplete_add(bookmark_property_ac, "autojoin");

    otr_ac = autocomplete_new();
    autocomplete_add(otr_ac, "gen");
    autocomplete_add(otr_ac, "start");
    autocomplete_add(otr_ac, "end");
    autocomplete_add(otr_ac, "myfp");
    autocomplete_add(otr_ac, "theirfp");
    autocomplete_add(otr_ac, "trust");
    autocomplete_add(otr_ac, "untrust");
    autocomplete_add(otr_ac, "secret");
    autocomplete_add(otr_ac, "log");
    autocomplete_add(otr_ac, "warn");
    autocomplete_add(otr_ac, "libver");
    autocomplete_add(otr_ac, "policy");
    autocomplete_add(otr_ac, "question");
    autocomplete_add(otr_ac, "answer");

    otr_log_ac = autocomplete_new();
    autocomplete_add(otr_log_ac, "on");
    autocomplete_add(otr_log_ac, "off");
    autocomplete_add(otr_log_ac, "redact");

    otr_policy_ac = autocomplete_new();
    autocomplete_add(otr_policy_ac, "manual");
    autocomplete_add(otr_policy_ac, "opportunistic");
    autocomplete_add(otr_policy_ac, "always");

    connect_property_ac = autocomplete_new();
    autocomplete_add(connect_property_ac, "server");
    autocomplete_add(connect_property_ac, "port");

    join_property_ac = autocomplete_new();
    autocomplete_add(join_property_ac, "nick");
    autocomplete_add(join_property_ac, "password");

    statuses_ac = autocomplete_new();
    autocomplete_add(statuses_ac, "console");
    autocomplete_add(statuses_ac, "chat");
    autocomplete_add(statuses_ac, "muc");

    statuses_setting_ac = autocomplete_new();
    autocomplete_add(statuses_setting_ac, "all");
    autocomplete_add(statuses_setting_ac, "online");
    autocomplete_add(statuses_setting_ac, "none");

    alias_ac = autocomplete_new();
    autocomplete_add(alias_ac, "add");
    autocomplete_add(alias_ac, "remove");
    autocomplete_add(alias_ac, "list");

    room_ac = autocomplete_new();
    autocomplete_add(room_ac, "accept");
    autocomplete_add(room_ac, "destroy");
    autocomplete_add(room_ac, "config");

    affiliation_ac = autocomplete_new();
    autocomplete_add(affiliation_ac, "owner");
    autocomplete_add(affiliation_ac, "admin");
    autocomplete_add(affiliation_ac, "member");
    autocomplete_add(affiliation_ac, "none");
    autocomplete_add(affiliation_ac, "outcast");

    role_ac = autocomplete_new();
    autocomplete_add(role_ac, "moderator");
    autocomplete_add(role_ac, "participant");
    autocomplete_add(role_ac, "visitor");
    autocomplete_add(role_ac, "none");

    privilege_cmd_ac = autocomplete_new();
    autocomplete_add(privilege_cmd_ac, "list");
    autocomplete_add(privilege_cmd_ac, "set");

    subject_ac = autocomplete_new();
    autocomplete_add(subject_ac, "set");
    autocomplete_add(subject_ac, "clear");

    form_ac = autocomplete_new();
    autocomplete_add(form_ac, "submit");
    autocomplete_add(form_ac, "cancel");
    autocomplete_add(form_ac, "show");
    autocomplete_add(form_ac, "help");

    form_field_multi_ac = autocomplete_new();
    autocomplete_add(form_field_multi_ac, "add");
    autocomplete_add(form_field_multi_ac, "remove");

    occupants_ac = autocomplete_new();
    autocomplete_add(occupants_ac, "show");
    autocomplete_add(occupants_ac, "hide");
    autocomplete_add(occupants_ac, "default");
    autocomplete_add(occupants_ac, "size");

    occupants_default_ac = autocomplete_new();
    autocomplete_add(occupants_default_ac, "show");
    autocomplete_add(occupants_default_ac, "hide");

    time_ac = autocomplete_new();
    autocomplete_add(time_ac, "minutes");
    autocomplete_add(time_ac, "seconds");
    autocomplete_add(time_ac, "off");

    resource_ac = autocomplete_new();
    autocomplete_add(resource_ac, "set");
    autocomplete_add(resource_ac, "off");
    autocomplete_add(resource_ac, "title");
    autocomplete_add(resource_ac, "message");

    inpblock_ac = autocomplete_new();
    autocomplete_add(inpblock_ac, "timeout");
    autocomplete_add(inpblock_ac, "dynamic");
}

void
cmd_uninit(void)
{
    autocomplete_free(commands_ac);
    autocomplete_free(who_room_ac);
    autocomplete_free(who_roster_ac);
    autocomplete_free(help_ac);
    autocomplete_free(notify_ac);
    autocomplete_free(notify_message_ac);
    autocomplete_free(notify_room_ac);
    autocomplete_free(notify_typing_ac);
    autocomplete_free(sub_ac);
    autocomplete_free(titlebar_ac);
    autocomplete_free(log_ac);
    autocomplete_free(prefs_ac);
    autocomplete_free(autoaway_ac);
    autocomplete_free(autoaway_mode_ac);
    autocomplete_free(autoconnect_ac);
    autocomplete_free(theme_ac);
    autocomplete_free(theme_load_ac);
    autocomplete_free(account_ac);
    autocomplete_free(account_set_ac);
    autocomplete_free(account_clear_ac);
    autocomplete_free(account_default_ac);
    autocomplete_free(disco_ac);
    autocomplete_free(close_ac);
    autocomplete_free(wins_ac);
    autocomplete_free(roster_ac);
    autocomplete_free(roster_option_ac);
    autocomplete_free(roster_by_ac);
    autocomplete_free(group_ac);
    autocomplete_free(bookmark_ac);
    autocomplete_free(bookmark_property_ac);
    autocomplete_free(otr_ac);
    autocomplete_free(otr_log_ac);
    autocomplete_free(otr_policy_ac);
    autocomplete_free(connect_property_ac);
    autocomplete_free(statuses_ac);
    autocomplete_free(statuses_setting_ac);
    autocomplete_free(alias_ac);
    autocomplete_free(aliases_ac);
    autocomplete_free(join_property_ac);
    autocomplete_free(room_ac);
    autocomplete_free(affiliation_ac);
    autocomplete_free(role_ac);
    autocomplete_free(privilege_cmd_ac);
    autocomplete_free(subject_ac);
    autocomplete_free(form_ac);
    autocomplete_free(form_field_multi_ac);
    autocomplete_free(occupants_ac);
    autocomplete_free(occupants_default_ac);
    autocomplete_free(time_ac);
    autocomplete_free(resource_ac);
    autocomplete_free(inpblock_ac);
}

gboolean
cmd_exists(char *cmd)
{
    if (commands_ac == NULL) {
        return FALSE;
    } else {
        return autocomplete_contains(commands_ac, cmd);
    }
}

void
cmd_autocomplete_add(char *value)
{
    if (commands_ac != NULL) {
        autocomplete_add(commands_ac, value);
    }
}

void
cmd_autocomplete_add_form_fields(DataForm *form)
{
    if (form) {
        GSList *fields = autocomplete_create_list(form->tag_ac);
        GSList *curr_field = fields;
        while (curr_field) {
            GString *field_str = g_string_new("/");
            g_string_append(field_str, curr_field->data);
            cmd_autocomplete_add(field_str->str);
            g_string_free(field_str, TRUE);
            curr_field = g_slist_next(curr_field);
        }
        g_slist_free_full(fields, free);
    }
}

void
cmd_autocomplete_remove_form_fields(DataForm *form)
{
    if (form) {
        GSList *fields = autocomplete_create_list(form->tag_ac);
        GSList *curr_field = fields;
        while (curr_field) {
            GString *field_str = g_string_new("/");
            g_string_append(field_str, curr_field->data);
            cmd_autocomplete_remove(field_str->str);
            g_string_free(field_str, TRUE);
            curr_field = g_slist_next(curr_field);
        }
        g_slist_free_full(fields, free);
    }
}

void
cmd_autocomplete_remove(char *value)
{
    if (commands_ac != NULL) {
        autocomplete_remove(commands_ac, value);
    }
}

void
cmd_alias_add(char *value)
{
    if (aliases_ac != NULL) {
        autocomplete_add(aliases_ac, value);
    }
}

void
cmd_alias_remove(char *value)
{
    if (aliases_ac != NULL) {
        autocomplete_remove(aliases_ac, value);
    }
}

// Command autocompletion functions
char*
cmd_autocomplete(const char * const input)
{
    // autocomplete command
    if ((strncmp(input, "/", 1) == 0) && (!str_contains(input, strlen(input), ' '))) {
        char *found = NULL;
        found = autocomplete_complete(commands_ac, input, TRUE);
        if (found != NULL) {
            return found;
        }

    // autocomplete parameters
    } else {
        char *found = _cmd_complete_parameters(input);
        if (found) {
            return found;
        }
    }

    return NULL;
}

void
cmd_reset_autocomplete()
{
    roster_reset_search_attempts();
    muc_invites_reset_ac();
    accounts_reset_all_search();
    accounts_reset_enabled_search();
    prefs_reset_boolean_choice();
    presence_reset_sub_request_search();
    autocomplete_reset(help_ac);
    autocomplete_reset(notify_ac);
    autocomplete_reset(notify_message_ac);
    autocomplete_reset(notify_room_ac);
    autocomplete_reset(notify_typing_ac);
    autocomplete_reset(sub_ac);

    autocomplete_reset(who_room_ac);
    autocomplete_reset(who_roster_ac);
    autocomplete_reset(prefs_ac);
    autocomplete_reset(log_ac);
    autocomplete_reset(commands_ac);
    autocomplete_reset(autoaway_ac);
    autocomplete_reset(autoaway_mode_ac);
    autocomplete_reset(autoconnect_ac);
    autocomplete_reset(theme_ac);
    if (theme_load_ac != NULL) {
        autocomplete_free(theme_load_ac);
        theme_load_ac = NULL;
    }
    autocomplete_reset(account_ac);
    autocomplete_reset(account_set_ac);
    autocomplete_reset(account_clear_ac);
    autocomplete_reset(account_default_ac);
    autocomplete_reset(disco_ac);
    autocomplete_reset(close_ac);
    autocomplete_reset(wins_ac);
    autocomplete_reset(roster_ac);
    autocomplete_reset(roster_option_ac);
    autocomplete_reset(roster_by_ac);
    autocomplete_reset(group_ac);
    autocomplete_reset(titlebar_ac);
    autocomplete_reset(bookmark_ac);
    autocomplete_reset(bookmark_property_ac);
    autocomplete_reset(otr_ac);
    autocomplete_reset(otr_log_ac);
    autocomplete_reset(otr_policy_ac);
    autocomplete_reset(connect_property_ac);
    autocomplete_reset(statuses_ac);
    autocomplete_reset(statuses_setting_ac);
    autocomplete_reset(alias_ac);
    autocomplete_reset(aliases_ac);
    autocomplete_reset(join_property_ac);
    autocomplete_reset(room_ac);
    autocomplete_reset(affiliation_ac);
    autocomplete_reset(role_ac);
    autocomplete_reset(privilege_cmd_ac);
    autocomplete_reset(subject_ac);
    autocomplete_reset(form_ac);
    autocomplete_reset(form_field_multi_ac);
    autocomplete_reset(occupants_ac);
    autocomplete_reset(occupants_default_ac);
    autocomplete_reset(time_ac);
    autocomplete_reset(resource_ac);
    autocomplete_reset(inpblock_ac);

    if (ui_current_win_type() == WIN_CHAT) {
        ProfChatWin *chatwin = wins_get_current_chat();
        PContact contact = roster_get_contact(chatwin->barejid);
        if (contact) {
            p_contact_resource_ac_reset(contact);
        }
    }

    if (ui_current_win_type() == WIN_MUC) {
        ProfMucWin *mucwin = wins_get_current_muc();
        muc_autocomplete_reset(mucwin->roomjid);
        muc_jid_autocomplete_reset(mucwin->roomjid);
    }

    if (ui_current_win_type() == WIN_MUC_CONFIG) {
        ProfMucConfWin *confwin = wins_get_current_muc_conf();
        if (confwin->form) {
            form_reset_autocompleters(confwin->form);
        }
    }

    bookmark_autocomplete_reset();
}

/*
 * Take a line of input and process it, return TRUE if profanity is to
 * continue, FALSE otherwise
 */
gboolean
cmd_process_input(char *inp)
{
    log_debug("Input received: %s", inp);
    gboolean result = FALSE;
    g_strstrip(inp);

    // add line to history if something typed
    if (strlen(inp) > 0) {
        ui_inp_history_append(inp);
    }

    // just carry on if no input
    if (strlen(inp) == 0) {
        result = TRUE;

    // handle command if input starts with a '/'
    } else if (inp[0] == '/') {
        char *inp_cpy = strdup(inp);
        char *command = strtok(inp_cpy, " ");
        result = _cmd_execute(command, inp);
        free(inp_cpy);

    // call a default handler if input didn't start with '/'
    } else {
        result = _cmd_execute_default(inp);
    }

    return result;
}

// Command execution

void
cmd_execute_connect(const char * const account)
{
    GString *command = g_string_new("/connect ");
    g_string_append(command, account);
    cmd_process_input(command->str);
    g_string_free(command, TRUE);
}

static gboolean
_cmd_execute(const char * const command, const char * const inp)
{
    if (g_str_has_prefix(command, "/field") && ui_current_win_type() == WIN_MUC_CONFIG) {
        gboolean result = FALSE;
        gchar **args = parse_args_with_freetext(inp, 1, 2, &result);
        if (!result) {
            ui_current_print_formatted_line('!', 0, "Invalid command, see /form help");
            result = TRUE;
        } else {
            gchar **tokens = g_strsplit(inp, " ", 2);
            char *field = tokens[0] + 1;
            result = cmd_form_field(field, args);
            g_strfreev(tokens);
        }

        g_strfreev(args);
        return result;
    }

    Command *cmd = g_hash_table_lookup(commands, command);
    gboolean result = FALSE;

    if (cmd != NULL) {
        gchar **args = cmd->parser(inp, cmd->min_args, cmd->max_args, &result);
        if (result == FALSE) {
            ui_invalid_command_usage(cmd->help.usage, cmd->setting_func);
            return TRUE;
        } else {
            gboolean result = cmd->func(args, cmd->help);
            g_strfreev(args);
            return result;
        }
    } else {
        gboolean ran_alias = FALSE;
        gboolean alias_result = _cmd_execute_alias(inp, &ran_alias);
        if (!ran_alias) {
            return _cmd_execute_default(inp);
        } else {
            return alias_result;
        }
    }
}

static gboolean
_cmd_execute_alias(const char * const inp, gboolean *ran)
{
    if (inp[0] != '/') {
        ran = FALSE;
        return TRUE;
    } else {
        char *alias = strdup(inp+1);
        char *value = prefs_get_alias(alias);
        free(alias);
        if (value != NULL) {
            *ran = TRUE;
            return cmd_process_input(value);
        } else {
            *ran = FALSE;
            return TRUE;
        }
    }
}

static gboolean
_cmd_execute_default(const char * inp)
{
    jabber_conn_status_t status = jabber_get_connection_status();

    // handle escaped commands - treat as normal message
    if (g_str_has_prefix(inp, "//")) {
        inp++;

    // handle unknown commands
    } else if ((inp[0] == '/') && (!g_str_has_prefix(inp, "/me "))) {
        cons_show("Unknown command: %s", inp);
        cons_alert();
        return TRUE;
    }

    win_type_t win_type = ui_current_win_type();
    switch (win_type)
    {
        case WIN_MUC:
            if (status != JABBER_CONNECTED) {
                ui_current_print_line("You are not currently connected.");
            } else {
                ProfMucWin *mucwin = wins_get_current_muc();
                message_send_groupchat(mucwin->roomjid, inp);
            }
            break;

        case WIN_CHAT:
            if (status != JABBER_CONNECTED) {
                ui_current_print_line("You are not currently connected.");
            } else {
                ProfWin *current = wins_get_current();
                ProfChatWin *chatwin = (ProfChatWin*)current;
                assert(chatwin->memcheck == PROFCHATWIN_MEMCHECK);
#ifdef HAVE_LIBOTR
                prof_otrpolicy_t policy = otr_get_policy(chatwin->barejid);
                if (policy == PROF_OTRPOLICY_ALWAYS && !otr_is_secure(chatwin->barejid)) {
                    cons_show_error("Failed to send message. Please check OTR policy");
                    return TRUE;
                }
                if (otr_is_secure(chatwin->barejid)) {
                    char *encrypted = otr_encrypt_message(chatwin->barejid, inp);
                    if (encrypted != NULL) {
                        message_send_chat(chatwin->barejid, encrypted);
                        otr_free_message(encrypted);
                        if (prefs_get_boolean(PREF_CHLOG)) {
                            const char *jid = jabber_get_fulljid();
                            Jid *jidp = jid_create(jid);
                            char *pref_otr_log = prefs_get_string(PREF_OTR_LOG);
                            if (strcmp(pref_otr_log, "on") == 0) {
                                chat_log_chat(jidp->barejid, chatwin->barejid, inp, PROF_OUT_LOG, NULL);
                            } else if (strcmp(pref_otr_log, "redact") == 0) {
                                chat_log_chat(jidp->barejid, chatwin->barejid, "[redacted]", PROF_OUT_LOG, NULL);
                            }
                            prefs_free_string(pref_otr_log);
                            jid_destroy(jidp);
                        }

                        ui_outgoing_chat_msg("me", chatwin->barejid, inp);
                    } else {
                        cons_show_error("Failed to send message.");
                    }
                } else {
                    message_send_chat(chatwin->barejid, inp);
                    if (prefs_get_boolean(PREF_CHLOG)) {
                        const char *jid = jabber_get_fulljid();
                        Jid *jidp = jid_create(jid);
                        chat_log_chat(jidp->barejid, chatwin->barejid, inp, PROF_OUT_LOG, NULL);
                        jid_destroy(jidp);
                    }

                    ui_outgoing_chat_msg("me", chatwin->barejid, inp);
                }
#else
                message_send_chat(chatwin->barejid, inp);
                if (prefs_get_boolean(PREF_CHLOG)) {
                    const char *jid = jabber_get_fulljid();
                    Jid *jidp = jid_create(jid);
                    chat_log_chat(jidp->barejid, chatwin->barejid, inp, PROF_OUT_LOG, NULL);
                    jid_destroy(jidp);
                }

                ui_outgoing_chat_msg("me", chatwin->barejid, inp);
#endif
            }
            break;

        case WIN_PRIVATE:
            if (status != JABBER_CONNECTED) {
                ui_current_print_line("You are not currently connected.");
            } else {
                ProfPrivateWin *privatewin = wins_get_current_private();
                message_send_private(privatewin->fulljid, inp);
                ui_outgoing_private_msg("me", privatewin->fulljid, inp);
            }
            break;

        case WIN_CONSOLE:
        case WIN_XML:
            cons_show("Unknown command: %s", inp);
            break;

        default:
            break;
    }

    return TRUE;
}

static char *
_cmd_complete_parameters(const char * const input)
{
    int i;
    char *result = NULL;

    // autocomplete boolean settings
    gchar *boolean_choices[] = { "/beep", "/intype", "/states", "/outtype",
        "/flash", "/splash", "/chlog", "/grlog", "/mouse", "/history",
        "/vercheck", "/privileges", "/presence", "/wrap" };

    for (i = 0; i < ARRAY_SIZE(boolean_choices); i++) {
        result = autocomplete_param_with_func(input, boolean_choices[i], prefs_autocomplete_boolean_choice);
        if (result) {
            return result;
        }
    }

    // autocomplete nickname in chat rooms
    if (ui_current_win_type() == WIN_MUC) {
        ProfMucWin *mucwin = wins_get_current_muc();
        Autocomplete nick_ac = muc_roster_ac(mucwin->roomjid);
        if (nick_ac) {
            gchar *nick_choices[] = { "/msg", "/info", "/caps", "/status", "/software" } ;

            // Remove quote character before and after names when doing autocomplete
            char *unquoted = strip_arg_quotes(input);
            for (i = 0; i < ARRAY_SIZE(nick_choices); i++) {
                result = autocomplete_param_with_ac(unquoted, nick_choices[i], nick_ac, TRUE);
                if (result) {
                    free(unquoted);
                    return result;
                }
            }
            free(unquoted);
        }

    // otherwise autocomplete using roster
    } else {
        gchar *contact_choices[] = { "/msg", "/info", "/status" };
        // Remove quote character before and after names when doing autocomplete
        char *unquoted = strip_arg_quotes(input);
        for (i = 0; i < ARRAY_SIZE(contact_choices); i++) {
            result = autocomplete_param_with_func(unquoted, contact_choices[i], roster_contact_autocomplete);
            if (result) {
                free(unquoted);
                return result;
            }
        }
        free(unquoted);

        gchar *resource_choices[] = { "/caps", "/software", "/ping" };
        for (i = 0; i < ARRAY_SIZE(resource_choices); i++) {
            result = autocomplete_param_with_func(input, resource_choices[i], roster_fulljid_autocomplete);
            if (result) {
                return result;
            }
        }
    }

    result = autocomplete_param_with_func(input, "/invite", roster_contact_autocomplete);
    if (result) {
        return result;
    }

    gchar *invite_choices[] = { "/decline", "/join" };
    for (i = 0; i < ARRAY_SIZE(invite_choices); i++) {
        result = autocomplete_param_with_func(input, invite_choices[i], muc_invites_find);
        if (result) {
            return result;
        }
    }

    gchar *cmds[] = { "/help", "/prefs", "/disco", "/close", "/wins", "/subject", "/room", "/time" };
    Autocomplete completers[] = { help_ac, prefs_ac, disco_ac, close_ac, wins_ac, subject_ac, room_ac, time_ac };

    for (i = 0; i < ARRAY_SIZE(cmds); i++) {
        result = autocomplete_param_with_ac(input, cmds[i], completers[i], TRUE);
        if (result) {
            return result;
        }
    }

    GHashTable *ac_funcs = g_hash_table_new(g_str_hash, g_str_equal);
    g_hash_table_insert(ac_funcs, "/who",           _who_autocomplete);
    g_hash_table_insert(ac_funcs, "/sub",           _sub_autocomplete);
    g_hash_table_insert(ac_funcs, "/notify",        _notify_autocomplete);
    g_hash_table_insert(ac_funcs, "/autoaway",      _autoaway_autocomplete);
    g_hash_table_insert(ac_funcs, "/theme",         _theme_autocomplete);
    g_hash_table_insert(ac_funcs, "/log",           _log_autocomplete);
    g_hash_table_insert(ac_funcs, "/account",       _account_autocomplete);
    g_hash_table_insert(ac_funcs, "/roster",        _roster_autocomplete);
    g_hash_table_insert(ac_funcs, "/group",         _group_autocomplete);
    g_hash_table_insert(ac_funcs, "/bookmark",      _bookmark_autocomplete);
    g_hash_table_insert(ac_funcs, "/autoconnect",   _autoconnect_autocomplete);
    g_hash_table_insert(ac_funcs, "/otr",           _otr_autocomplete);
    g_hash_table_insert(ac_funcs, "/connect",       _connect_autocomplete);
    g_hash_table_insert(ac_funcs, "/statuses",      _statuses_autocomplete);
    g_hash_table_insert(ac_funcs, "/alias",         _alias_autocomplete);
    g_hash_table_insert(ac_funcs, "/join",          _join_autocomplete);
    g_hash_table_insert(ac_funcs, "/form",          _form_autocomplete);
    g_hash_table_insert(ac_funcs, "/occupants",     _occupants_autocomplete);
    g_hash_table_insert(ac_funcs, "/kick",          _kick_autocomplete);
    g_hash_table_insert(ac_funcs, "/ban",           _ban_autocomplete);
    g_hash_table_insert(ac_funcs, "/affiliation",   _affiliation_autocomplete);
    g_hash_table_insert(ac_funcs, "/role",          _role_autocomplete);
    g_hash_table_insert(ac_funcs, "/resource",      _resource_autocomplete);
    g_hash_table_insert(ac_funcs, "/titlebar",      _titlebar_autocomplete);
    g_hash_table_insert(ac_funcs, "/inpblock",      _inpblock_autocomplete);

    int len = strlen(input);
    char parsed[len+1];
    i = 0;
    while (i < len) {
        if (input[i] == ' ') {
            break;
        } else {
            parsed[i] = input[i];
        }
        i++;
    }
    parsed[i] = '\0';

    char * (*ac_func)(const char * const) = g_hash_table_lookup(ac_funcs, parsed);
    if (ac_func != NULL) {
        result = ac_func(input);
        if (result) {
            g_hash_table_destroy(ac_funcs);
            return result;
        }
    }
    g_hash_table_destroy(ac_funcs);

    if (g_str_has_prefix(input, "/field")) {
        result = _form_field_autocomplete(input);
        if (result) {
            return result;
        }
    }

    return NULL;
}

static char *
_sub_autocomplete(const char * const input)
{
    char *result = NULL;
    result = autocomplete_param_with_func(input, "/sub allow", presence_sub_request_find);
    if (result != NULL) {
        return result;
    }
    result = autocomplete_param_with_func(input, "/sub deny", presence_sub_request_find);
    if (result != NULL) {
        return result;
    }
    result = autocomplete_param_with_ac(input, "/sub", sub_ac, TRUE);
    if (result != NULL) {
        return result;
    }

    return NULL;
}

static char *
_who_autocomplete(const char * const input)
{
    char *result = NULL;
    win_type_t win_type = ui_current_win_type();

    if (win_type == WIN_MUC) {
        result = autocomplete_param_with_ac(input, "/who", who_room_ac, TRUE);
        if (result != NULL) {
            return result;
        }
    } else {
        int i = 0;
        gchar *group_commands[] = { "/who any", "/who online", "/who offline",
            "/who chat", "/who away", "/who xa", "/who dnd", "/who available",
            "/who unavailable" };

        for (i = 0; i < ARRAY_SIZE(group_commands); i++) {
            result = autocomplete_param_with_func(input, group_commands[i], roster_group_autocomplete);
            if (result != NULL) {
                return result;
            }
        }

        result = autocomplete_param_with_ac(input, "/who", who_roster_ac, TRUE);
        if (result != NULL) {
            return result;
        }
    }

    return NULL;
}

static char *
_roster_autocomplete(const char * const input)
{
    char *result = NULL;
    result = autocomplete_param_with_func(input, "/roster nick", roster_barejid_autocomplete);
    if (result != NULL) {
        return result;
    }
    result = autocomplete_param_with_func(input, "/roster clearnick", roster_barejid_autocomplete);
    if (result != NULL) {
        return result;
    }
    result = autocomplete_param_with_func(input, "/roster remove", roster_barejid_autocomplete);
    if (result != NULL) {
        return result;
    }
    result = autocomplete_param_with_ac(input, "/roster show", roster_option_ac, TRUE);
    if (result != NULL) {
        return result;
    }
    result = autocomplete_param_with_ac(input, "/roster hide", roster_option_ac, TRUE);
    if (result != NULL) {
        return result;
    }
    result = autocomplete_param_with_ac(input, "/roster by", roster_by_ac, TRUE);
    if (result != NULL) {
        return result;
    }
    result = autocomplete_param_with_ac(input, "/roster", roster_ac, TRUE);
    if (result != NULL) {
        return result;
    }

    return NULL;
}

static char *
_group_autocomplete(const char * const input)
{
    char *result = NULL;
    result = autocomplete_param_with_func(input, "/group show", roster_group_autocomplete);
    if (result != NULL) {
        return result;
    }

    result = autocomplete_param_no_with_func(input, "/group add", 4, roster_contact_autocomplete);
    if (result != NULL) {
        return result;
    }
    result = autocomplete_param_no_with_func(input, "/group remove", 4, roster_contact_autocomplete);
    if (result != NULL) {
        return result;
    }
    result = autocomplete_param_with_func(input, "/group add", roster_group_autocomplete);
    if (result != NULL) {
        return result;
    }
    result = autocomplete_param_with_func(input, "/group remove", roster_group_autocomplete);
    if (result != NULL) {
        return result;
    }
    result = autocomplete_param_with_ac(input, "/group", group_ac, TRUE);
    if (result != NULL) {
        return result;
    }

    return NULL;
}

static char *
_bookmark_autocomplete(const char * const input)
{
    char *found = NULL;

    gboolean result;
    gchar **args = parse_args(input, 3, 8, &result);
    gboolean handle_options = result && (g_strv_length(args) > 2);

    if (handle_options && ((strcmp(args[0], "add") == 0) || (strcmp(args[0], "update") == 0)) ) {
        GString *beginning = g_string_new("/bookmark");
        gboolean autojoin = FALSE;
        int num_args = g_strv_length(args);

        g_string_append(beginning, " ");
        g_string_append(beginning, args[0]);
        g_string_append(beginning, " ");
        g_string_append(beginning, args[1]);
        if (num_args == 4 && g_strcmp0(args[2], "autojoin") == 0) {
            g_string_append(beginning, " ");
            g_string_append(beginning, args[2]);
            autojoin = TRUE;
        }

        if (num_args > 4) {
            g_string_append(beginning, " ");
            g_string_append(beginning, args[2]);
            g_string_append(beginning, " ");
            g_string_append(beginning, args[3]);
            if (num_args == 6 && g_strcmp0(args[4], "autojoin") == 0) {
                g_string_append(beginning, " ");
                g_string_append(beginning, args[4]);
                autojoin = TRUE;
            }
        }

        if (num_args > 6) {
            g_string_append(beginning, " ");
            g_string_append(beginning, args[4]);
            g_string_append(beginning, " ");
            g_string_append(beginning, args[5]);
            if (num_args == 8 && g_strcmp0(args[6], "autojoin") == 0) {
                g_string_append(beginning, " ");
                g_string_append(beginning, args[6]);
                autojoin = TRUE;
            }
        }

        if (autojoin) {
            found = autocomplete_param_with_func(input, beginning->str, prefs_autocomplete_boolean_choice);
        } else {
            found = autocomplete_param_with_ac(input, beginning->str, bookmark_property_ac, TRUE);
        }
        g_string_free(beginning, TRUE);
        if (found != NULL) {
            g_strfreev(args);
            return found;
        }
    }

    g_strfreev(args);

    found = autocomplete_param_with_func(input, "/bookmark remove", bookmark_find);
    if (found != NULL) {
        return found;
    }
    found = autocomplete_param_with_func(input, "/bookmark join", bookmark_find);
    if (found != NULL) {
        return found;
    }
    found = autocomplete_param_with_func(input, "/bookmark update", bookmark_find);
    if (found != NULL) {
        return found;
    }

    found = autocomplete_param_with_ac(input, "/bookmark", bookmark_ac, TRUE);
    return found;
}

static char *
_notify_autocomplete(const char * const input)
{
    int i = 0;
    char *result = NULL;

    result = autocomplete_param_with_func(input, "/notify room current", prefs_autocomplete_boolean_choice);
    if (result != NULL) {
        return result;
    }

    result = autocomplete_param_with_func(input, "/notify message current", prefs_autocomplete_boolean_choice);
    if (result != NULL) {
        return result;
    }

    result = autocomplete_param_with_func(input, "/notify typing current", prefs_autocomplete_boolean_choice);
    if (result != NULL) {
        return result;
    }

    result = autocomplete_param_with_func(input, "/notify room text", prefs_autocomplete_boolean_choice);
    if (result != NULL) {
        return result;
    }

    result = autocomplete_param_with_func(input, "/notify message text", prefs_autocomplete_boolean_choice);
    if (result != NULL) {
        return result;
    }

    result = autocomplete_param_with_ac(input, "/notify room", notify_room_ac, TRUE);
    if (result != NULL) {
        return result;
    }

    result = autocomplete_param_with_ac(input, "/notify message", notify_message_ac, TRUE);
    if (result != NULL) {
        return result;
    }

    result = autocomplete_param_with_ac(input, "/notify typing", notify_typing_ac, TRUE);
    if (result != NULL) {
        return result;
    }

    gchar *boolean_choices[] = { "/notify invite", "/notify sub" };
    for (i = 0; i < ARRAY_SIZE(boolean_choices); i++) {
        result = autocomplete_param_with_func(input, boolean_choices[i],
            prefs_autocomplete_boolean_choice);
        if (result != NULL) {
            return result;
        }
    }

    result = autocomplete_param_with_ac(input, "/notify", notify_ac, TRUE);
    if (result != NULL) {
        return result;
    }

    return NULL;
}

static char *
_autoaway_autocomplete(const char * const input)
{
    char *result = NULL;

    result = autocomplete_param_with_ac(input, "/autoaway mode", autoaway_mode_ac, TRUE);
    if (result != NULL) {
        return result;
    }
    result = autocomplete_param_with_func(input, "/autoaway check",
        prefs_autocomplete_boolean_choice);
    if (result != NULL) {
        return result;
    }
    result = autocomplete_param_with_ac(input, "/autoaway", autoaway_ac, TRUE);
    if (result != NULL) {
        return result;
    }

    return NULL;
}

static char *
_log_autocomplete(const char * const input)
{
    char *result = NULL;

    result = autocomplete_param_with_func(input, "/log rotate",
        prefs_autocomplete_boolean_choice);
    if (result != NULL) {
        return result;
    }
    result = autocomplete_param_with_func(input, "/log shared",
        prefs_autocomplete_boolean_choice);
    if (result != NULL) {
        return result;
    }
    result = autocomplete_param_with_ac(input, "/log", log_ac, TRUE);
    if (result != NULL) {
        return result;
    }

    return NULL;
}

static char *
_autoconnect_autocomplete(const char * const input)
{
    char *result = NULL;

    result = autocomplete_param_with_func(input, "/autoconnect set", accounts_find_enabled);
    if (result != NULL) {
        return result;
    }

    result = autocomplete_param_with_ac(input, "/autoconnect", autoconnect_ac, TRUE);
    if (result != NULL) {
        return result;
    }

    return NULL;
}

static char *
_otr_autocomplete(const char * const input)
{
    char *found = NULL;

    found = autocomplete_param_with_func(input, "/otr start", roster_contact_autocomplete);
    if (found != NULL) {
        return found;
    }

    found = autocomplete_param_with_ac(input, "/otr log", otr_log_ac, TRUE);
    if (found != NULL) {
        return found;
    }

    // /otr policy always user@server.com
    gboolean result;
    gchar **args = parse_args(input, 3, 3, &result);
    if (result && (strcmp(args[0], "policy") == 0)) {
        GString *beginning = g_string_new("/otr ");
        g_string_append(beginning, args[0]);
        g_string_append(beginning, " ");
        g_string_append(beginning, args[1]);

        found = autocomplete_param_with_func(input, beginning->str, roster_contact_autocomplete);
        g_string_free(beginning, TRUE);
        if (found != NULL) {
            g_strfreev(args);
            return found;
        }
    }

    g_strfreev(args);

    found = autocomplete_param_with_ac(input, "/otr policy", otr_policy_ac, TRUE);
    if (found != NULL) {
        return found;
    }

    found = autocomplete_param_with_func(input, "/otr warn",
        prefs_autocomplete_boolean_choice);
    if (found != NULL) {
        return found;
    }

    found = autocomplete_param_with_ac(input, "/otr", otr_ac, TRUE);
    if (found != NULL) {
        return found;
    }

    return NULL;
}

static char *
_theme_autocomplete(const char * const input)
{
    char *result = NULL;
    if ((strncmp(input, "/theme set ", 11) == 0) && (strlen(input) > 11)) {
        if (theme_load_ac == NULL) {
            theme_load_ac = autocomplete_new();
            GSList *themes = theme_list();
            GSList *curr = themes;
            while (curr != NULL) {
                autocomplete_add(theme_load_ac, curr->data);
                curr = g_slist_next(curr);
            }
            g_slist_free_full(themes, g_free);
            autocomplete_add(theme_load_ac, "default");
        }
        result = autocomplete_param_with_ac(input, "/theme set", theme_load_ac, TRUE);
        if (result != NULL) {
            return result;
        }
    }
    result = autocomplete_param_with_ac(input, "/theme", theme_ac, TRUE);
    if (result != NULL) {
        return result;
    }

    return NULL;
}

static char *
_resource_autocomplete(const char * const input)
{
    char *found = NULL;

    ProfWin *current = wins_get_current();
    if (current && current->type == WIN_CHAT) {
        ProfChatWin *chatwin = wins_get_current_chat();
        PContact contact = roster_get_contact(chatwin->barejid);
        if (contact) {
            Autocomplete ac = p_contact_resource_ac(contact);
            found = autocomplete_param_with_ac(input, "/resource set", ac, FALSE);
            if (found != NULL) {
                return found;
            }
        }
    }

    found = autocomplete_param_with_func(input, "/resource title", prefs_autocomplete_boolean_choice);
    if (found != NULL) {
        return found;
    }

    found = autocomplete_param_with_func(input, "/resource message", prefs_autocomplete_boolean_choice);
    if (found != NULL) {
        return found;
    }

    found = autocomplete_param_with_ac(input, "/resource", resource_ac, FALSE);
    if (found != NULL) {
        return found;
    }

    return NULL;
}

static char *
_titlebar_autocomplete(const char * const input)
{
    char *found = NULL;

    found = autocomplete_param_with_func(input, "/titlebar show", prefs_autocomplete_boolean_choice);
    if (found != NULL) {
        return found;
    }

    found = autocomplete_param_with_func(input, "/titlebar goodbye", prefs_autocomplete_boolean_choice);
    if (found != NULL) {
        return found;
    }

    found = autocomplete_param_with_ac(input, "/titlebar", titlebar_ac, FALSE);
    if (found != NULL) {
        return found;
    }

    return NULL;
}

static char *
_inpblock_autocomplete(const char * const input)
{
    char *found = NULL;

    found = autocomplete_param_with_func(input, "/inpblock dynamic", prefs_autocomplete_boolean_choice);
    if (found != NULL) {
        return found;
    }

    found = autocomplete_param_with_ac(input, "/inpblock", inpblock_ac, FALSE);
    if (found != NULL) {
        return found;
    }

    return NULL;
}

static char *
_form_autocomplete(const char * const input)
{
    ProfWin *current = wins_get_current();
    if (current->type != WIN_MUC_CONFIG) {
        return NULL;
    }

    char *found = NULL;

    ProfMucConfWin *confwin = (ProfMucConfWin*)current;
    DataForm *form = confwin->form;
    if (form) {
        found = autocomplete_param_with_ac(input, "/form help", form->tag_ac, TRUE);
        if (found != NULL) {
            return found;
        }
    }

    found = autocomplete_param_with_ac(input, "/form", form_ac, TRUE);
    if (found != NULL) {
        return found;
    }

    return NULL;
}

static char *
_form_field_autocomplete(const char * const input)
{
    ProfWin *current = wins_get_current();
    if (current->type != WIN_MUC_CONFIG) {
        return NULL;
    }

    char *found = NULL;

    ProfMucConfWin *confwin = (ProfMucConfWin*)current;
    DataForm *form = confwin->form;
    if (form == NULL) {
        return NULL;
    }

    gchar **split = g_strsplit(input, " ", 0);

    if (g_strv_length(split) == 3) {
        char *field_tag = split[0]+1;
        if (form_tag_exists(form, field_tag)) {
            form_field_type_t field_type = form_get_field_type(form, field_tag);
            Autocomplete value_ac = form_get_value_ac(form, field_tag);;
            GString *beginning = g_string_new(split[0]);
            g_string_append(beginning, " ");
            g_string_append(beginning, split[1]);

            if (((g_strcmp0(split[1], "add") == 0) || (g_strcmp0(split[1], "remove") == 0))
                    && field_type == FIELD_LIST_MULTI) {
                found = autocomplete_param_with_ac(input, beginning->str, value_ac, TRUE);

            } else if ((g_strcmp0(split[1], "remove") == 0) && field_type == FIELD_TEXT_MULTI) {
                found = autocomplete_param_with_ac(input, beginning->str, value_ac, TRUE);

            } else if ((g_strcmp0(split[1], "remove") == 0) && field_type == FIELD_JID_MULTI) {
                found = autocomplete_param_with_ac(input, beginning->str, value_ac, TRUE);
            }

            g_string_free(beginning, TRUE);
        }

    } else if (g_strv_length(split) == 2) {
        char *field_tag = split[0]+1;
        if (form_tag_exists(form, field_tag)) {
            form_field_type_t field_type = form_get_field_type(form, field_tag);
            Autocomplete value_ac = form_get_value_ac(form, field_tag);;

            switch (field_type)
            {
                case FIELD_BOOLEAN:
                    found = autocomplete_param_with_func(input, split[0], prefs_autocomplete_boolean_choice);
                    break;
                case FIELD_LIST_SINGLE:
                    found = autocomplete_param_with_ac(input, split[0], value_ac, TRUE);
                    break;
                case FIELD_LIST_MULTI:
                case FIELD_JID_MULTI:
                case FIELD_TEXT_MULTI:
                    found = autocomplete_param_with_ac(input, split[0], form_field_multi_ac, TRUE);
                    break;
                default:
                    break;
            }
        }
    }

    g_strfreev(split);

    return found;
}

static char *
_occupants_autocomplete(const char * const input)
{
    char *found = NULL;

    found = autocomplete_param_with_ac(input, "/occupants default", occupants_default_ac, TRUE);
    if (found != NULL) {
        return found;
    }

    found = autocomplete_param_with_ac(input, "/occupants", occupants_ac, TRUE);
    if (found != NULL) {
        return found;
    }

    return NULL;
}

static char *
_kick_autocomplete(const char * const input)
{
    char *result = NULL;

    if (ui_current_win_type() == WIN_MUC) {
        ProfMucWin *mucwin = wins_get_current_muc();
        Autocomplete nick_ac = muc_roster_ac(mucwin->roomjid);

        if (nick_ac != NULL) {
            result = autocomplete_param_with_ac(input, "/kick", nick_ac, TRUE);
            if (result != NULL) {
                return result;
            }
        }
    }

    return result;
}

static char *
_ban_autocomplete(const char * const input)
{
    char *result = NULL;

    if (ui_current_win_type() == WIN_MUC) {
        ProfMucWin *mucwin = wins_get_current_muc();
        Autocomplete jid_ac = muc_roster_jid_ac(mucwin->roomjid);

        if (jid_ac != NULL) {
            result = autocomplete_param_with_ac(input, "/ban", jid_ac, TRUE);
            if (result != NULL) {
                return result;
            }
        }
    }

    return result;
}

static char *
_affiliation_autocomplete(const char * const input)
{
    char *result = NULL;

    if (ui_current_win_type() == WIN_MUC) {
        ProfMucWin *mucwin = wins_get_current_muc();
        gboolean parse_result;
        Autocomplete jid_ac = muc_roster_jid_ac(mucwin->roomjid);

        gchar **args = parse_args(input, 3, 3, &parse_result);

        if ((strncmp(input, "/affiliation", 12) == 0) && (parse_result == TRUE)) {
            GString *beginning = g_string_new("/affiliation ");
            g_string_append(beginning, args[0]);
            g_string_append(beginning, " ");
            g_string_append(beginning, args[1]);

            result = autocomplete_param_with_ac(input, beginning->str, jid_ac, TRUE);
            g_string_free(beginning, TRUE);
            if (result != NULL) {
                g_strfreev(args);
                return result;
            }
        }

        g_strfreev(args);
    }

    result = autocomplete_param_with_ac(input, "/affiliation set", affiliation_ac, TRUE);
    if (result != NULL) {
        return result;
    }

    result = autocomplete_param_with_ac(input, "/affiliation list", affiliation_ac, TRUE);
    if (result != NULL) {
        return result;
    }

    result = autocomplete_param_with_ac(input, "/affiliation", privilege_cmd_ac, TRUE);
    if (result != NULL) {
        return result;
    }

    return result;
}

static char *
_role_autocomplete(const char * const input)
{
    char *result = NULL;

    if (ui_current_win_type() == WIN_MUC) {
        ProfMucWin *mucwin = wins_get_current_muc();
        gboolean parse_result;
        Autocomplete nick_ac = muc_roster_ac(mucwin->roomjid);

        gchar **args = parse_args(input, 3, 3, &parse_result);

        if ((strncmp(input, "/role", 5) == 0) && (parse_result == TRUE)) {
            GString *beginning = g_string_new("/role ");
            g_string_append(beginning, args[0]);
            g_string_append(beginning, " ");
            g_string_append(beginning, args[1]);

            result = autocomplete_param_with_ac(input, beginning->str, nick_ac, TRUE);
            g_string_free(beginning, TRUE);
            if (result != NULL) {
                g_strfreev(args);
                return result;
            }
        }

        g_strfreev(args);
    }

    result = autocomplete_param_with_ac(input, "/role set", role_ac, TRUE);
    if (result != NULL) {
        return result;
    }

    result = autocomplete_param_with_ac(input, "/role list", role_ac, TRUE);
    if (result != NULL) {
        return result;
    }

    result = autocomplete_param_with_ac(input, "/role", privilege_cmd_ac, TRUE);
    if (result != NULL) {
        return result;
    }

    return result;
}

static char *
_statuses_autocomplete(const char * const input)
{
    char *result = NULL;

    result = autocomplete_param_with_ac(input, "/statuses console", statuses_setting_ac, TRUE);
    if (result != NULL) {
        return result;
    }

    result = autocomplete_param_with_ac(input, "/statuses chat", statuses_setting_ac, TRUE);
    if (result != NULL) {
        return result;
    }

    result = autocomplete_param_with_ac(input, "/statuses muc", statuses_setting_ac, TRUE);
    if (result != NULL) {
        return result;
    }

    result = autocomplete_param_with_ac(input, "/statuses", statuses_ac, TRUE);
    if (result != NULL) {
        return result;
    }

    return NULL;
}

static char *
_alias_autocomplete(const char * const input)
{
    char *result = NULL;

    result = autocomplete_param_with_ac(input, "/alias remove", aliases_ac, TRUE);
    if (result != NULL) {
        return result;
    }

    result = autocomplete_param_with_ac(input, "/alias", alias_ac, TRUE);
    if (result != NULL) {
        return result;
    }

    return NULL;
}

static char *
_connect_autocomplete(const char * const input)
{
    char *found = NULL;
    gboolean result = FALSE;

    gchar **args = parse_args(input, 2, 4, &result);

    if ((strncmp(input, "/connect", 8) == 0) && (result == TRUE)) {
        GString *beginning = g_string_new("/connect ");
        g_string_append(beginning, args[0]);
        if (args[1] != NULL && args[2] != NULL) {
            g_string_append(beginning, " ");
            g_string_append(beginning, args[1]);
            g_string_append(beginning, " ");
            g_string_append(beginning, args[2]);
        }
        found = autocomplete_param_with_ac(input, beginning->str, connect_property_ac, TRUE);
        g_string_free(beginning, TRUE);
        if (found != NULL) {
            g_strfreev(args);
            return found;
        }
    }

    g_strfreev(args);

    found = autocomplete_param_with_func(input, "/connect", accounts_find_enabled);
    if (found != NULL) {
        return found;
    }

    return NULL;
}

static char *
_join_autocomplete(const char * const input)
{
    char *found = NULL;
    gboolean result = FALSE;

    found = autocomplete_param_with_func(input, "/join", bookmark_find);
    if (found != NULL) {
        return found;
    }

    gchar **args = parse_args(input, 2, 4, &result);

    if ((strncmp(input, "/join", 5) == 0) && (result == TRUE)) {
        GString *beginning = g_string_new("/join ");
        g_string_append(beginning, args[0]);
        if (args[1] != NULL && args[2] != NULL) {
            g_string_append(beginning, " ");
            g_string_append(beginning, args[1]);
            g_string_append(beginning, " ");
            g_string_append(beginning, args[2]);
        }
        found = autocomplete_param_with_ac(input, beginning->str, join_property_ac, TRUE);
        g_string_free(beginning, TRUE);
        if (found != NULL) {
            g_strfreev(args);
            return found;
        }
    }

    g_strfreev(args);

    return NULL;
}

static char *
_account_autocomplete(const char * const input)
{
    char *found = NULL;
    gboolean result = FALSE;

    gchar **args = parse_args(input, 3, 4, &result);

    if ((strncmp(input, "/account set", 12) == 0) && (result == TRUE)) {
        GString *beginning = g_string_new("/account set ");
        g_string_append(beginning, args[1]);
        if ((g_strv_length(args) > 3) && (g_strcmp0(args[2], "otr")) == 0) {
            g_string_append(beginning, " ");
            g_string_append(beginning, args[2]);
            found = autocomplete_param_with_ac(input, beginning->str, otr_policy_ac, TRUE);
            g_string_free(beginning, TRUE);
            if (found != NULL) {
                g_strfreev(args);
                return found;
            }
        } else {
            found = autocomplete_param_with_ac(input, beginning->str, account_set_ac, TRUE);
            g_string_free(beginning, TRUE);
            if (found != NULL) {
                g_strfreev(args);
                return found;
            }
        }
    }

    if ((strncmp(input, "/account clear", 14) == 0) && (result == TRUE)) {
        GString *beginning = g_string_new("/account clear ");
        g_string_append(beginning, args[1]);
        found = autocomplete_param_with_ac(input, beginning->str, account_clear_ac, TRUE);
        g_string_free(beginning, TRUE);
        if (found != NULL) {
            g_strfreev(args);
            return found;
        }
    }

    g_strfreev(args);

    found = autocomplete_param_with_ac(input, "/account default", account_default_ac, TRUE);
    if(found){
        return found;
    }

    int i = 0;
    gchar *account_choice[] = { "/account set", "/account show", "/account enable",
        "/account disable", "/account rename", "/account clear", "/account remove",
        "/account default set" };

    for (i = 0; i < ARRAY_SIZE(account_choice); i++) {
        found = autocomplete_param_with_func(input, account_choice[i], accounts_find_all);
        if (found != NULL) {
            return found;
        }
    }

    found = autocomplete_param_with_ac(input, "/account", account_ac, TRUE);
    return found;
}

static int
_cmp_command(Command *cmd1, Command *cmd2)
{
    return g_strcmp0(cmd1->cmd, cmd2->cmd);
}

void
command_docgen(void)
{
    GList *cmds = NULL;
    unsigned int i;
    for (i = 0; i < ARRAY_SIZE(command_defs); i++) {
        Command *pcmd = command_defs+i;
        cmds = g_list_insert_sorted(cmds, pcmd, (GCompareFunc)_cmp_command);
    }

    FILE *toc_fragment = fopen("toc_fragment.html", "w");
    FILE *main_fragment = fopen("main_fragment.html", "w");

    fputs("<ul><li><ul><li>\n", toc_fragment);
    fputs("<hr>\n", main_fragment);

    GList *curr = cmds;
    while (curr) {
        Command *pcmd = curr->data;

        fprintf(toc_fragment, "<a href=\"#%s\">%s</a>,\n", &pcmd->cmd[1], pcmd->cmd);

        fprintf(main_fragment, "<a name=\"%s\"></a>\n", &pcmd->cmd[1]);
        fprintf(main_fragment, "<h4>%s</h4>\n", pcmd->cmd);
        fputs("<p>Usage:</p>\n", main_fragment);
        fprintf(main_fragment, "<p><pre><code>%s</code></pre></p>\n", pcmd->help.usage);

        fputs("<p>Details:</p>\n", main_fragment);
        fputs("<p><pre><code>", main_fragment);
        int i = 2;
        while (pcmd->help.long_help[i] != NULL) {
            fprintf(main_fragment, "%s\n", pcmd->help.long_help[i++]);
        }
        fputs("</code></pre></p>\n<a href=\"#top\"><h5>back to top</h5></a><br><hr>\n", main_fragment);
        fputs("\n", main_fragment);

        curr = g_list_next(curr);
    }

    fputs("</ul></ul>\n", toc_fragment);

    fclose(toc_fragment);
    fclose(main_fragment);
    g_list_free(cmds);
}