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

let
  # --- Module variables ---
  moduleName   = "kitty";
  username     = config.defaultUser or "henrov";

  # Path to program assets (relative, self-contained)
  assetPath    = ../../../assets/system/conf/${moduleName};

  # Read all files in the assets directory
  programFiles = builtins.readDir assetPath;
  files        = lib.genAttrs (builtins.attrNames programFiles) (name: {
    src = "${assetPath}/${name}";
  });

  # Top-level toggle for this module
  enableProgram = config.enableKitty or true;
in
{
  # --- Declare the top-level toggle ---
  options.enableKitty = lib.mkEnableOption "Enable Kitty terminal integration";

  # --- Only apply configuration if enabled ---
  config = lib.mkIf enableProgram {

    # Install kitty package system-wide
    environment.systemPackages = [ pkgs.kitty ];

    # Kitty program configuration (home-manager)
    programs.kitty.enable = true;
    programs.kitty.extraConfig = ''
      # Include the Catppuccin-Mocha theme
      include themes/Catppuccin-Mocha.conf
    '';

    # Deploy all config files to user's XDG config
    home-manager.users.${username} = {
      xdg.configFile =
        lib.mapAttrs' (name: value: {
          name  = "${moduleName}/${name}";
          value.source = value.src;
        }) files;
    };
  };
}