/*
 * adapted from the work of Adam Feakin <adamf@snika.uklinux.net>
 * and Daniel Stodden <stodden@in.tum.de>
 * for the audacious media player
 *
 * This program 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 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */

#include <stdlib.h>
#include <stdio.h>
#include <time.h>
#include <pthread.h>
#include <string.h>

#include <math.h>
#include <glib.h>

#include <deadbeef/deadbeef.h>
#define DDB_WARN_DEPRECATED 1

#define trace(fmt,...)

static const char alarm_conf_dlg[] =
	"property \"Hour\" hscale[0,23,1] alarm_conf_hour 6;\n"
	"property \"Minute\" hscale[0,59,1] alarm_conf_min 30;\n"
	"property \"Monday\" checkbox alarm_conf_day1 1;\n"
	"property \"Tuesday\" checkbox alarm_conf_day2 1;\n"
	"property \"Wednesday\" checkbox alarm_conf_day3 1;\n"
	"property \"Thursday\" checkbox alarm_conf_day4 1;\n"
	"property \"Friday\" checkbox alarm_conf_day5 1;\n"
	"property \"Saturday\" checkbox alarm_conf_day6 0;\n"
	"property \"Sunday\" checkbox alarm_conf_day0 0;\n"
	"property \"volume\" hscale[0,100,1] alarm_conf_volume 60;\n"
	"property \"playlist\n(leave empty to use current list)\" file alarm_conf_pls \"\";\n"
	;

const char* pl_fallback = NULL;

static const char* conf_keys[] = {
	"alarm_conf_day0",
	"alarm_conf_day1",
	"alarm_conf_day2",
	"alarm_conf_day3",
	"alarm_conf_day4",
	"alarm_conf_day5",
	"alarm_conf_day6" };

static DB_functions_t* deadbeef = NULL;

static int timeout_source;
static time_t play_start;

/* the main alarm thread */
static gboolean alarm_timeout (void * unused) {
struct tm *currtime;
time_t timenow;
unsigned today;
int alarm_h, alarm_m;
float newVolume;
int alarm_on;

timenow = time(nullptr);
currtime = localtime(&timenow);
today = currtime->tm_wday;

/* already went off? */
if (timenow < play_start + 60)
	return true;

/* not activated today? */
alarm_on = deadbeef->conf_get_int(conf_keys[today],1);
if (alarm_on != 1)
	return true;
else
{
	alarm_h = deadbeef->conf_get_int("alarm_conf_hour",6);
	alarm_m = deadbeef->conf_get_int("alarm_conf_min",30);
}

/* compare the current time with the alarm setting */
if ((currtime->tm_hour != alarm_h) || (currtime->tm_min != alarm_m))
	return true;

/* none of the early exits were taken;
 * it must be time to start playing something.
 * First set the volume */
int confVolume = deadbeef->conf_get_int("alarm_conf_volume",60);
newVolume = ((float) confVolume/2)-50;
deadbeef->volume_set_db(newVolume);

/* Next try to load the requested playlist */
deadbeef->pl_select_all();
char pname[200];
deadbeef->conf_get_str("alarm_conf_pls",pl_fallback,pname,sizeof(pname));
trace("adding playlist %s\n", pname);

ddb_playlist_t *pl = deadbeef->plt_get_curr();
DB_playItem_t *after = deadbeef->pl_get_last (PL_MAIN);

if (pname) {
	int ab=0;
	DB_playItem_t *it;
	it = deadbeef->plt_load2 (0, pl, after, pname, &ab, NULL, NULL);
    if (!it) {
	trace("failed to load playlist %s\n", pname);
    }
    else {
	/* successfully loaded playlist, so delete previous contents */
	deadbeef->pl_delete_selected();
    }
}

if (after) {
    deadbeef->pl_item_unref(after);
}

/* Start playing */
play_start=time(nullptr);
DB_playItem_t *first = deadbeef->pl_get_first (PL_MAIN);
int trackid = deadbeef->plt_get_item_idx (pl, first, PL_MAIN);
/* Avoid hard-coding trackid=1, in case random playorder is in effect */
deadbeef->sendmessage(DB_EV_PLAY_NUM,0,trackid,0);

if (first) {
    deadbeef->pl_item_unref(first);
}

deadbeef->plt_unref(pl);
return true;
}

int onStart() {
	timeout_source = g_timeout_add_seconds(12, alarm_timeout, nullptr);
	return 0;
}

int onStop() {
	if (timeout_source)
	{
		g_source_remove (timeout_source);
		timeout_source = 0;
	}
	return 0;
}
// define plugin interface
static DB_misc_t plugin = {
	.plugin = {
        .type = DB_PLUGIN_MISC,
	.api_vmajor = 1,
        .api_vminor = 9,
        .version_major = 0,
        .version_minor = 1,
	.id = "alarm",
	.name = "Alarm Clock",
	.descr = "load a playlist and start the music at a predetermined time",
        .copyright = "Copyright (C) 2022 John McQuah <jmcquah@disroot.org>\n"
                        "\n"
                        "This program is free software; you can redistribute it and/or\n"
                        "modify it under the terms of the GNU General Public License\n"
                        "as published by the Free Software Foundation; either version 2\n"
                        "of the License, or (at your option) any later version.\n"
                        "\n"
                        "This program is distributed in the hope that it will be useful,\n"
                        "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
                        "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
                        "GNU General Public License for more details.\n"
                        "\n"
                        "You should have received a copy of the GNU General Public License\n"
                        "along with this program; if not, write to the Free Software\n"
                        "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.\n",
	.website = "https://git.sdf.org/jmq/cruxports/deadbeef-alarm",
        .start = onStart,
        .stop = onStop,
	.connect = NULL,
	.disconnect = NULL,
	.configdialog = alarm_conf_dlg,
	}
};

extern "C" DB_plugin_t *alarm_load (DB_functions_t *ddb) {
	deadbeef = ddb;
        return &plugin.plugin;
}