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

let
  cfg = config.cspark-desktop-ewm;
in
{
  imports =
    [
      inputs.ewm.nixosModules.default
    ];

  options.cspark-desktop-ewm = {
    enable
      = lib.mkEnableOption "Enable Custom EWM Desktop Setup";
  };

  config = lib.mkIf cfg.enable {
    services.libinput.enable = true;

    # For xwayland
    services.xserver = {
      enable = true;
      displayManager.lightdm.enable = false;

      # Remove/disable xterm, we are using eshell.
      desktopManager.xterm.enable = false;
      excludePackages = with pkgs; [ xterm ];
    };
    programs.xwayland.enable = true;

    # EWM setup
    programs.ewm = {
      enable = true;
      emacsPackage = let
          patchSource = pkgs.fetchFromGitHub {
              owner = "minad";
              repo = "emacs-canvas-patch";
              rev = "57a28b5cca57de8cce00d1595eb4b66f1d335401"; # Can be a tag, branch, or specific commit hash
              hash = "sha256-fMdiYPf/7IgvrNovajy565bn5dgh7OCP6KOdZaHTDUQ=";
          };
	  targetPackage = inputs.emacs-overlay.packages.x86_64-linux.emacs-git-pgtk;
          in
              (pkgs.emacsPackagesFor ((targetPackage.overrideAttrs (oldAttrs: {
	          patches =
                          (oldAttrs.patches or []) ++ [
                              # Path to your local patch file or a fetchurl call
                              "${patchSource}/canvas.diff"
                          ];
              })).override {
                  withNativeCompilation = true;
                  withTreeSitter = true;
              })).withPackages (epkgs: [
      	          epkgs.mu4e
      	          inputs.ewm.packages.x86_64-linux.default
              ]);
    };
    # We will disable this as not needed with EWM
    services.emacs = {
      enable = lib.mkForce false;
    };
    # The minimal login manager I'm using for EWM
    services.greetd = {
      enable = true;
      settings = {
        default_session = {
          command = "${pkgs.greetd.tuigreet}/bin/tuigreet --time";
          user = "greeter";
        };
      };
    };

    programs.gnupg = {
      agent.enable = true;
      agent.pinentryPackage = pkgs.pinentry-qt;
    };

    environment.systemPackages = with pkgs; [
      emacs-pgtk

      xorg.libxcb
      gcr # For GNOME gpg pinentry
      pinentry-qt

      gtk3 # Includes gtk-launch which is used by counsel-linux-app inside emacs

      wdisplays # Manage wayland displays
      wlr-randr # Manage wayland displays - xrandr clone
      wlsunset # Day/night gamma adjustment/filter for wayland
      brightnessctl # GNU/Linux application to control backlights
      grim
      slurp
      wl-clipboard
      haskellPackages.gtk-sni-tray # System Tray
      haskellPackages.status-notifier-item # System Tray

      udiskie # Automounting drives
      xwayland-satellite # Xwayland support outside your Wayland compositor

      #lxqt.pcmanfm-qt # File Manager
      nautilus # File Manager
      lxqt.lxqt-archiver # Archiver
      qt6Packages.qt6ct # Manage QT6 Themes
      libsForQt5.qt5ct # Manage QT5 Themes
      lxappearance # Manage GTK Themes
      kdePackages.polkit-kde-agent-1 # Polkit Prompt for password prompts etc
      lxqt.lxqt-openssh-askpass # GUI to query passwords on behalf of SSH agents
      pavucontrol # Audio control
    ];

    # XDG Portal Integration (For file chooser/screensharing etc)
    xdg.portal = {
      enable = true;
      wlr.enable = true;
      extraPortals = [
        pkgs.xdg-desktop-portal-gnome
        pkgs.xdg-desktop-portal-gtk
      ];
      config = {
        ewm = {
          default = [ "gnome" "gtk" ];
          # Use GNOME specifically for screencasting
          "org.freedesktop.impl.portal.Screencast" = [ "gnome" ];
          "org.freedesktop.impl.portal.Screenshot" = [ "gnome" ];
        };
      };
    };

    # Whether to enable Qt configuration, including theming.
    qt.enable = true;
    # Enable polkit
    security.polkit.enable = true;
    # For udiskie
    services.udisks2.enable = true;

    # KDE Connect
    programs.kdeconnect.enable = true;

    # Whether to enable GNOME Keyring daemon, a service designed to take care of the user’s security credentials, such as user names and passwords.
    services.gnome.gnome-keyring.enable = true;

    # GTK themes are not applied in Wayland applications / Window Decorations missing / Cursor looks different
    programs.dconf.enable = true;

    # Enable CUPS to print documents.
    services.printing.enable = true;

    # Enable sound with pipewire.
    # sound.enable = true; Deprecated option
    hardware.pulseaudio.enable = false;
    security.rtkit.enable = true;
    services.pipewire = {
       enable = true;
       systemWide = true;

       alsa.enable = true;
       alsa.support32Bit = true;
       pulse.enable = true;
      # # If you want to use JACK applications, uncomment this
       jack.enable = true;

      # use the example session manager (no others are packaged yet so this is enabled by default,
      # no need to redefine it in your config for now)
      #media-session.enable = true;

      # Virtual mic to route processed microphone or other devices simultaneously into
       extraConfig =
		   {
			   pipewire."91-processed-mic" = {
			   		"context.objects" = [
	  					{
            				factory = "adapter";
            				args = {
              					"factory.name" = "support.null-audio-sink";
              					"node.name" = "Processed-Mic";
              					"node.description" = "Virtual Processed Microphone";
              					"media.class" = "Audio/Source/Virtual";
              					"audio.position" = "FL,FR";
            				};
      	  				}
					];
      			};
				# For Mopidy
    	  		pipewire-pulse."10-mopidy.conf" = {
    	  			  "pulse.properties" = {
    	  				  "server.address" = [
    	  				  	  "unix:native"
    	  				  	  "tcp:4713"
    	  				  ];
    	  			  };
    	  		};
	    };
    };

    security.sudo = {
      extraRules = [
        {
          commands = [
            {
              command = "/run/current-system/sw/bin/brightnessctl";
              options = [ "NOPASSWD" ];
            }
          ];
          groups = [ "wheel" ];
        }
      ];
    };

    programs.ssh = {
      enableAskPassword = true;
      askPassword = "/run/current-system/sw/bin/lxqt-openssh-askpass";
    };

    environment.sessionVariables = {
      EDITOR="emacsclient -r";
      QT_QPA_PLATFORMTHEME = "qt6ct";
      SDL_VIDEODRIVER = "wayland,x11,windows";
      _JAVA_AWT_WM_NONREPARENTING = "1";
      SSH_ASKPASS_REQUIRE = "force";
      SSH_ASKPASS = "/run/current-system/sw/bin/lxqt-openssh-askpass";
    };
    environment.variables = {
      EDITOR="emacsclient -r";
      QT_QPA_PLATFORMTHEME = "qt6ct";
      SDL_VIDEODRIVER = "wayland,x11,windows";
      _JAVA_AWT_WM_NONREPARENTING = "1";
      SSH_ASKPASS_REQUIRE = "force";
      SSH_ASKPASS = lib.mkForce "/run/current-system/sw/bin/lxqt-openssh-askpass";
    };

  };
}