#
#  Hyprland Configuration
#  Enable with "hyprland.enable = true;"
#
{
  config,
  lib,
  system,
  pkgs,
  unstable,
  hyprland,
  vars,
  host,
  split-monitor-workspaces,
  ...
}:
with lib;
with host; {
  options = {
    hyprland = {
      enable = mkOption {
        type = types.bool;
        default = false;
      };
    };
  };

  config = mkIf (config.hyprland.enable) {
    environment = {
      systemPackages = with pkgs; [
        grim # Grab Images
        slurp # Region Selector
        wl-clipboard # Clipboard
        wlr-randr # Monitor Settings
        dunst
        hyprpaper
        waybar
      ];
      # sessionVariables = {
      #   "NIXOS_OZONE_WL" = "1"; # for any ozone-based browser & electron apps to run on wayland
      #   "MOZ_ENABLE_WAYLAND" = "1"; # for firefox to run on wayland
      #   "MOZ_WEBRENDER" = "1";
      #
      #   # for hyprland with nvidia gpu, ref https://wiki.hyprland.org/Nvidia/
      #   "LIBVA_DRIVER_NAME" = "nvidia";
      #   "XDG_SESSION_TYPE" = "wayland";
      #   "GBM_BACKEND" = "nvidia-drm";
      #   "__GLX_VENDOR_LIBRARY_NAME" = "nvidia";
      #   "WLR_NO_HARDWARE_CURSORS" = "1";
      #   "WLR_EGL_NO_MODIFIRES" = "1";
      # };
    };

    programs = {
      hyprland = {
        # Window Manager
        enable = true;
        xwayland.enable = true;
        enableNvidiaPatches =
          if hostName == "desktop"
          then true
          else false;
      };
    };

    hardware = {
      opengl.enable = true;
      nvidia.nvidiaSettings = true;
    };

    xdg.portal = {
      enable = true;
      extraPortals = with pkgs; [xdg-desktop-portal-gtk];
    };

    home-manager.users.${vars.user} = {
      imports = [hyprland.homeManagerModules.default];
      wayland.windowManager.hyprland = {
        enable = true;
        systemdIntegration = true;
        extraConfig = ''
          bind = SUPER, RETURN, exec, alacritty
        '';
        plugins = [
          split-monitor-workspaces.packages.${pkgs.system}.split-monitor-workspaces
        ];
      };
    };

    nix.settings = {
      substituters = ["https://hyprland.cachix.org"];
      trusted-public-keys = ["hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc="];
    }; # Cache
  };
}