{ pkgs, xdg-runtime-dir, emacs, ... }:
let
  appName = "EmacsClient";
  icon = "${emacs}/Applications/Emacs.app/Contents/Resources/Emacs.icns";

  emacsclient = pkgs.stdenv.mkDerivation {
    name = appName;
    src = ./. ;
    installPhase = ./emacs_build.sh;
    XDG_RUNTIME_DIR = xdg-runtime-dir;
    inherit emacs appName icon;
  };
in {
  home.packages = [ emacsclient ];

  # Swap right keys (command, shift and alt) at login
  launchd.agents.swap-keys = {
    enable = true;
    config = {
      Label = "swap-keys";
      Program = /usr/bin/hidutil;
      ProgramArguments = [
        "property" "--set" ''
        [{
          "HIDKeyboardModifierMappingSrc":0x7000000e7,
          "HIDKeyboardModifierMappingDst":0x7000000e1,
        }, {
          "HIDKeyboardModifierMappingSrc":0x7000000e5,
          "HIDKeyboardModifierMappingDst":0x7000000e6,
        }, {
          "HIDKeyboardModifierMappingSrc":0x7000000e6,
          "HIDKeyboardModifierMappingDst":0x7000000e3,
        }]
        ''
      ];
    };
  };
}