{ lib, config, ... }:

let
  # --- Program definition ---
  programName = "kitty";

  # Assets directory (relative, self-contained)
  programAssets = ../../../assets/system/conf/${programName};

  # Read all files in assets dir
  programFiles = builtins.readDir programAssets;

  # Map files → attrset
  files = lib.genAttrs (builtins.attrNames programFiles) (name: {
    src = "${programAssets}/${name}";
  });

  # Enable toggle (safe: defined before config)
  enableProgram = config.enableKitty or true;

  # Resolve user safely (top-level, not inside mkIf)
  user = config.defaultUser or "henrov";
in
{
  # --- Option ---
  options.enableKitty =
    lib.mkEnableOption "Enable kitty terminal";

  # --- Config ---
  config = lib.mkIf enableProgram {

    myApps.${programName} = {
      enable = true;
      assetsDir = programAssets;
      files = files;
      inherit user;

      # Program-specific metadata
      theme = "catppuccin-mocha";
    };

    # Actual system wiring (kept minimal + scoped)
    home-manager.users.${user} = {

      programs.kitty.enable = true;

      xdg.configFile =
        lib.mapAttrs' (name: value: {
          name = "kitty/${name}";
          value.source = value.src;
        }) files;

    };
  };
}