# GUI configuration.nix
{ config, lib, pkgs, inputs, user, ... }:
{
  environment = {
    variables = {
      VISUAL = "$EDITOR";
      BROWSER = "librewolf";
      SXHKD_SHELL = "/bin/sh";
      TERMINAL = "st";
    };
  };
  xdg.mime = {
    enable = true;
    defaultApplications = {
      "image/*" = [
        "sxiv.desktop"
      ];
    };
  };
  xdg.portal = {
    enable = true;
    xdgOpenUsePortal = true;
    extraPortals = [ pkgs.xdg-desktop-portal-gtk ];
  };
  services = {
    xserver = {
      enable = true;
      displayManager.startx.enable = true;
      windowManager.bspwm.enable = true;
      layout = "us";
      xkbVariant = "";
    };
    picom = {
      enable = true;
    };
    # To add the Flathub repo, run:
    # $ flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
    flatpak.enable = true;
    dbus.enable = true;
  };
  fonts.packages = with pkgs; [
    comic-mono
    noto-fonts
    noto-fonts-cjk
    noto-fonts-emoji
    fira-code
    fira-code-symbols
    dina-font
  ];
  programs = {
    dconf.enable = true;
  };
  programs = {
    slock.enable = true;
  };
  users.users.${user.name}.packages = with pkgs; [
    (dmenu.overrideAttrs (oldAttrs: rec { 
      configFile = writeText "config.def.h" (builtins.readFile ./patches/dmenu/config.h);
      postPatch = "${oldAttrs.postPatch}\n cp ${configFile} config.def.h";
    }))
    (st.overrideAttrs (oldAttrs: rec { 
      configFile = writeText "config.def.h" (builtins.readFile ./patches/st/config.h);
      postPatch = "${oldAttrs.postPatch}\n cp ${configFile} config.def.h";
    }))
    aether
    ani-cli
    lagrange
    libreoffice
    mangal
    mullvad-browser
    mupdf
    onionshare
    scrot
    signal-desktop
    sxiv
    tor-browser-bundle-bin
  ];
  environment.systemPackages = with pkgs; [
    clipmenu
    dunst
    hsetroot
    networkmanagerapplet
    notify-desktop
    sxhkd
    trayer
    volumeicon
    xbanish
    xdo
    xdragon
    xsel
  ];
}