{ lib, ... }:

{
  flake.nixosModules.emacs = { config, pkgs, lib, ... }:

  {
    # Optie om de module aan/uit te zetten
    options.mySystem.system.emacs.enable = lib.mkEnableOption "Enable Emacs config";

    config = lib.mkIf (config.mySystem.system.emacs.enable or false) {
      # System packages (optioneel)
      environment.systemPackages = with pkgs; [
        # Voeg systeem-brede packages toe als je wilt
      ];

      # Home Manager configuratie
      home-manager.users.henrov = {
        programs.emacs = {
          enable = true;
          package = pkgs.emacs-pgtk.override { withTreeSitter = true; };

          extraPackages = epkgs: with epkgs; [
            # Tree-sitter and language support
            manualPackages.treesit-grammars.with-all-grammars
            rust-mode
            rustic
            nix-mode
            hcl-mode

            # UI/UX and navigation
            nerd-icons
            doom-modeline
            diminish
            eldoc
            eldoc-box
            pulsar
            which-key
            avy
            consult
            vertico
            marginalia
            crux
            shell-pop

            # Completion and snippets
            nerd-icons-corfu
            corfu
            cape
            orderless
            yasnippet
            yasnippet-snippets

            # Utilities and tools
            rg
            exec-path-from-shell
            eat
            f
            gptel
            nixpkgs-fmt
            envrc

            # Theming
            catppuccin-theme

            # Git
            magit

            # Editing and workflow
            expreg
            vundo
            puni

            # Error and side panel support
            sideline
            sideline-flymake
            sideline-eglot
          ];
        };

        home.sessionVariables = {
          EDITOR = "emacs";
          XDG_SCREENSHOTS_DIR = "~/screenshots";
        };
      };
    };
  };
}