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

with lib;
let
  cfg = config.my.programs.rofi;

  rofi-bluetooth = with pkgs; stdenv.mkDerivation rec {
    pname = "rofi-bluetooth";
    version = "unstable-2021-03-05";

    src = fetchFromGitHub {
      repo = pname;
      owner = "nickclyde";
      # https://github.com/nickclyde/rofi-bluetooth/issues/19
      rev = "893db1f2b549e7bc0e9c62e7670314349a29cdf2";
      sha256 = "sha256-3oROJKEQCuSnLfbJ+JSSc9hcmJTPrLHRQJsrUcaOMss=";
    };

    nativeBuildInputs = [ makeWrapper ];

    installPhase = ''
      runHook preInstall

      install -D --target-directory=$out/bin/ ./rofi-bluetooth

      wrapProgram $out/bin/rofi-bluetooth \
        --prefix PATH ":" ${lib.makeBinPath [ rofi-unwrapped bluez ] }

      runHook postInstall
    '';

    meta = with lib; {
      description = "Rofi-based interface to connect to bluetooth devices and display status info";
      homepage = "https://github.com/nickclyde/rofi-bluetooth";
      license = licenses.gpl3Only;
      maintainers = with maintainers; [ MoritzBoehme ];
      platforms = platforms.linux;
    };
  };
in
{
  options.my.programs.rofi = {
    enable = mkOption {
      default = false;
      type = types.bool;
      example = true;
    };
  };

  config = mkIf cfg.enable {
    environment.systemPackages = with pkgs; [
      (lib.mkIf config.networking.networkmanager.enable networkmanager_dmenu)
      (lib.mkIf config.hardware.bluetooth.enable rofi-bluetooth)
      rofi-power-menu
    ];
    home-manager.users.moritz = {
      programs.rofi = {
        enable = true;
        package =
          pkgs.rofi.override { plugins = with pkgs; [ rofi-calc rofi-emoji ]; };
        extraConfig = { combi-modi = "drun,window,emoji"; };
      };
      xdg = {
        enable = true;
        configFile."networkmanager-dmenu/config.ini".text = ''
          [dmenu]
          dmenu_command = rofi
        '';
      };
    };
  };
}