{
  config
, lib
, pkgs
, ...
}:

let
  kanshi = pkgs.kanshi;
  writeShellScript = pkgs.writeShellScript;
  wallpapersPath = "/home/${config.ptw.system.singleUser}/Data/Wallpaper";
  wallpapersHorizontal = "${wallpapersPath}/horizontal";
  wallpapersVertical = "${wallpapersPath}/vertical";
  wallpaperScript = writeShellScript "wallpaper.sh" ''
    set -x
    [[ $# -lt 1 ]] && echo "No profile specified" && exit 1

    random_file() {
      find "$1" -maxdepth 1 -type f | shuf -n 1
    }

    setbg() {
      # Sets the background of $1 to $2
      swaymsg "output \"$1\" background $2 fill"
    }

    case $1 in
      homeMultihead)
        horiz=$(random_file ${wallpapersHorizontal})
        vert=$(random_file ${wallpapersVertical})

        setbg "DP-2" $horiz
        setbg "HDMI-A-3" $vert
        ;;
      genericMultihead)
        horiz1=$(random_file ${wallpapersHorizontal})
        horiz2=$(random_file ${wallpapersHorizontal})

        setbg "eDP-1" $horiz1
        setbg "HDMI-A-1" $horiz2
        ;;
      laptop)
        horiz=$(random_file ${wallpapersHorizontal})

        setbg "eDP-1" $horiz
        ;;
    esac
  '';
  mkProfile = name: outputs: {
    outputs = outputs;

    exec = "${wallpaperScript} ${name}";
  };
  cfg = config.ptw.services.kanshi;
in {
  options.ptw.services.kanshi = {
    enable = lib.mkEnableOption "Enable kanshi and configure using HomeManager";
    profiles = lib.mkOption {
      description = "The actual kanshi configuration";
      type = lib.types.anything;
    };
  };

  config = lib.mkIf cfg.enable {
    environment.systemPackages = [ kanshi ];

    home-manager.users."${config.ptw.system.singleUser}".services.kanshi = {
      enable = true;
      inherit (cfg) profiles;
    };
  };
}