import 'package:logger/logger.dart' as logger_package;

/// 日志工具类
class AppLogger {
  static logger_package.Logger? _logger;

  /// 初始化日志（可选配置）
  static void init({
    logger_package.Level level = logger_package.Level.debug,
    bool enableFileOutput = false,
  }) {
    _logger = logger_package.Logger(
      level: level,
      printer: logger_package.PrettyPrinter(
        methodCount: 2,
        errorMethodCount: 8,
        lineLength: 120,
        colors: true,
        printEmojis: true,
        printTime: true,
      ),
    );
  }

  static logger_package.Logger get _instance {
    _logger ??= logger_package.Logger(
      printer: logger_package.PrettyPrinter(
        methodCount: 2,
        errorMethodCount: 8,
        lineLength: 120,
        colors: true,
        printEmojis: true,
        printTime: true,
      ),
    );
    return _logger!;
  }

  // ==================== 日志级别 ====================

  /// Debug 日志
  static void d(dynamic message, [dynamic error, StackTrace? stackTrace]) {
    _instance.d(message, error: error, stackTrace: stackTrace);
  }

  /// Info 日志
  static void i(dynamic message, [dynamic error, StackTrace? stackTrace]) {
    _instance.i(message, error: error, stackTrace: stackTrace);
  }

  /// Warning 日志
  static void w(dynamic message, [dynamic error, StackTrace? stackTrace]) {
    _instance.w(message, error: error, stackTrace: stackTrace);
  }

  /// Error 日志
  static void e(dynamic message, [dynamic error, StackTrace? stackTrace]) {
    _instance.e(message, error: error, stackTrace: stackTrace);
  }

  /// Fatal 日志
  static void f(dynamic message, [dynamic error, StackTrace? stackTrace]) {
    _instance.f(message, error: error, stackTrace: stackTrace);
  }

  // ==================== 便捷方法 ====================

  /// 记录 API 请求
  static void logRequest(String method, String url, {Map<String, dynamic>? headers, dynamic body}) {
    d('📤 Request: $method $url');
    if (headers != null) d('Headers: $headers');
    if (body != null) d('Body: $body');
  }

  /// 记录 API 响应
  static void logResponse(int statusCode, String url, {dynamic data}) {
    d('📥 Response: $statusCode $url');
    if (data != null) d('Data: $data');
  }

  /// 记录错误
  static void logError(String message, {dynamic error, StackTrace? stackTrace}) {
    e('❌ Error: $message', error, stackTrace);
  }

  /// 记录用户操作
  static void logUserAction(String action, {Map<String, dynamic>? params}) {
    i('👤 User Action: $action');
    if (params != null) i('Params: $params');
  }
}