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

let
  # --- Module metadata ---
  moduleName   = "kitty";                                         # Change per module
  assetPath    = "${flakeRoot}/assets/system/conf/${moduleName}"; # Path to kitty config
  username     = config.defaultUser or "henrov";                  # Use default user
  enableProgram = config.enableKitty or true;                     # Toggle for this module

  # Read asset files
  assetFiles = builtins.readDir assetPath;

  # Map files → attrset
  files = lib.genAttrs (builtins.attrNames assetFiles) (name: {
    src = "${assetPath}/${name}";
  });
in
{
  # --- Top-level toggle option ---
  options.enableKitty = lib.mkEnableOption "Enable Kitty terminal integration";

  # --- Apply configuration only if enabled ---
  config = lib.mkIf enableProgram {

    # Dendritic container for this program
    myApps.${moduleName} = {
      enable    = true;
      user      = username;
      assetsDir = assetPath;
      files     = files;

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

    # Deploy config files to XDG config
    home-manager.users.${username} = {
      programs.kitty.enable = true;

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

    # Optional systemd service to sync Kitty config (example)
    systemd.services."${moduleName}-sync" = {
      description = "Sync ${moduleName} configuration";
      wantedBy    = [ "multi-user.target" ];
      wants       = [ "network-online.target" ];
      after       = [ "network-online.target" ];

      serviceConfig = {
        Type = "oneshot";
        ExecStart = ''
          set -euo pipefail
          CONF="${assetPath}"

          # Sync each file (example logic)
          for f in ${lib.concatStringsSep " " (builtins.attrNames files)}; do
            cp -u "$CONF/$f" "${HOME}/.config/${moduleName}/$f"
          done
        '';
      };

      restartTriggers = [ assetPath ];

      # Use system-wide binaries without referencing pkgs directly
      path = [
        "/run/current-system/sw/bin/coreutils"
      ];
    };
  };
}