/// 集中管理应用配置，通过 --dart-define=KEY=value 注入环境变量
///
/// 默认值 = 线上服务（jiu.51yanmei.com）：本地 flutter run 不带 define 也连生产。
/// 需连本地后端时显式覆盖：flutter run \
///   --dart-define=BASE_URL=http://localhost:8080 \
///   --dart-define=PUBLIC_URL=http://localhost:8081
class AppConfig {
  const AppConfig._();

  static const _baseUrl = String.fromEnvironment(
    'BASE_URL',
    defaultValue: 'https://jiu.51yanmei.com',
  );

  static const _publicUrl = String.fromEnvironment(
    'PUBLIC_URL',
    defaultValue: 'https://jiu.51yanmei.com',
  );

  static const shopName = String.fromEnvironment(
    'SHOP_NAME',
    defaultValue: '酒库管理系统',
  );

  static const shopAddress = String.fromEnvironment(
    'SHOP_ADDRESS',
    defaultValue: '',
  );

  static const shopPhone = String.fromEnvironment(
    'SHOP_PHONE',
    defaultValue: '',
  );

  static const aboutUrl = String.fromEnvironment(
    'ABOUT_URL',
    defaultValue: 'https://jiu.51yanmei.com',
  );

  static String get baseUrl => _baseUrl;
  static String get apiBaseUrl => '$_baseUrl/api/v1';
  static String get healthUrl => '$_baseUrl/health';
  static String get versionUrl => '$_baseUrl/version';
  static String get publicBaseUrl => _publicUrl;
}