# SPDX-FileCopyrightText: 2022 Richard Brežák <richard@brezak.sk>
#
# SPDX-License-Identifier: LGPL-3.0-or-later
{
  config,
  lib,
  pkgs,
  ...
}:
with lib; let
  cfg = config.magic_rb.programs.xmonad;
in {
  options.magic_rb.programs.xmonad = {
    enable = mkEnableOption "Enable xmonad config";

    enableDunst = mkOption {
      description = "Enable dunst";
      type = types.bool;
      default = true;
    };

    enablePicom = mkOption {
      description = "Enable picom";
      type = types.bool;
      default = true;
    };

    enableKeynav = mkOption {
      description = "Enable keynav";
      type = types.bool;
      default = true;
    };

    picomExperimentalBackends = mkOption {
      description = "Enable experimental backends in picom";
      type = types.bool;
      default = true;
    };
  };

  config = mkIf cfg.enable {
    home.packages = with pkgs; [
      powerline-fonts
      font-awesome
      dejavu_fonts
    ];

    home.file.".keynavrc".source = ./keynavrc;

    home.file.".xmonad/xmonad.hs".source = pkgs.writeSubstitutedFile {
      name = "xmonad.hs";
      file = ./xmonad.hs;
      substitutes = {
        "screenshot" = lib.getExe pkgs.magic_rb.screenshot;
        "emacs-rofi" = lib.getExe pkgs.emacs-rofi;
        "notify" = lib.getExe pkgs.libnotify;
        "reload" = pkgs.writeShellScript "xmonad-reload"
          ''
            ${lib.getExe pkgs.libnotify} -t 5000 "recompiling xmonad"

            if xmonad --recompile
            then
               ${lib.getExe pkgs.libnotify} -t 5000 "compilation succeeded"
               xmonad --restart
            else
               ${lib.getExe pkgs.libnotify} -t 5000 "compilation failed"
            fi
          '';
        "auxmenu" = pkgs.writeShellScript "auxmenu"
          ''
            export SUDO_ASKPASS=${pkgs.x11_ssh_askpass}/libexec/x11-ssh-askpass

            _options="toggle-mic\ntoggle-radio\nscreenshot-all\nscreenshot-select\nscreenshot-focused\nsuspend\nreboot\nkexec\npoweroff"

            _option="$(echo -e $_options | emacs-rofi "command: " 90 30 | awk '{print $1}' | tr -d '\r\n')"
            if [ ''${#_option} -gt 0 ]
            then
              case $_option in
                toggle-mic)
                  wpctl set-mute @DEFAULT_AUDIO_SOURCE@ toggle
                  ;;
                toggle-radio)
                  if [ "$(nmcli radio wifi)" = "enabled" ]
                  then
                    nmcli radio wifi off
                  else
                    nmcli radio wifi on
                  fi
                  ;;
                screenshot-all)
                  ${lib.getExe pkgs.magic_rb.screenshot} screen
                  ;;
                screenshot-select)
                  ${lib.getExe pkgs.magic_rb.screenshot} select
                  ;;
                screenshot-focused)
                  ${lib.getExe pkgs.magic_rb.screenshot} focused
                  ;;
                suspend)
                  systemctl suspend
                  ;;
                reboot)
                  systemctl reboot
                  ;;
                poweroff)
                  systemctl poweroff
                  ;;
                kexec)
                  sudo -A kexec -l /run/current-system/kernel --initrd=/run/current-system/initrd --reuse-cmdline
                  systemctl kexec
                  ;;
                *)
                  ;;
              esac
            fi
          '';
        "dmenu_run" = "${pkgs.dmenu}/bin/dmenu_run";
        "polybar" = pkgs.writeShellScript "polybar"
          ''
            monitors=$(polybar --list-monitors | cut -f 1 -d':')
            MONITOR=''${monitors[$1]} ${lib.getExe pkgs.polybarFull} -c ${./polybar.ini} top
          '';
        "dunst" = lib.getExe pkgs.dunst;
        "dunstConfig" = ./dunstrc;

        "picom" = lib.getExe pkgs.picom;
        "picomConfig" = ./picom.conf;
        "picomArgs" =
          if cfg.picomExperimentalBackends
          then "--experimental-backends"
          else "";

        "keynav" = lib.getExe pkgs.keynav;
        "lightLocker" = lib.getExe pkgs.lightlocker;
        "lightLockerCommand" = "${pkgs.lightlocker}/bin/light-locker-command";
        "brightnessctl" = lib.getExe pkgs.brightnessctl;
      };
    };
  };
}