import 'dart:io';

import 'package:wolf_3d_cli/cli_game_loop.dart';
import 'package:wolf_3d_dart/wolf_3d_data.dart';
import 'package:wolf_3d_dart/wolf_3d_data_types.dart';
import 'package:wolf_3d_dart/wolf_3d_engine.dart';
import 'package:wolf_3d_dart/wolf_3d_input.dart';

// Helper to gracefully exit and restore the terminal
void exitCleanly(int code) {
  stdout.write('\x1b[0m'); // Reset color
  stdout.write('\x1b[2J\x1b[H'); // Clear screen
  stdout.write('\x1b[?25h'); // SHOW the cursor again
  exit(code);
}

void main() async {
  stdout.write("Discovering game data...");
  // 1. Get the absolute URI of where this exact script lives
  final scriptUri = Platform.script;

  // 2. Resolve the path mathematically.
  final targetUri = scriptUri.resolve(
    '../../../packages/wolf_3d_assets/assets/retail',
  );
  final targetPath = targetUri.toFilePath();

  final availableGames = await WolfensteinLoader.discover(
    directoryPath: targetPath,
    recursive: true,
  );

  CliGameLoop? gameLoop;

  void stopAndExit(int code) {
    gameLoop?.stop();
    exitCleanly(code);
  }

  final engine = WolfEngine(
    data: availableGames.values.first,
    difficulty: Difficulty.medium,
    startingEpisode: 0,
    frameBuffer: FrameBuffer(
      stdout.terminalColumns,
      stdout.terminalLines,
    ),
    input: CliInput(),
    onGameWon: () => stopAndExit(0),
  );

  engine.init();

  gameLoop = CliGameLoop(
    engine: engine,
    onExit: stopAndExit,
  );

  await gameLoop.start();
}