/// Application configuration from compile-time environment variables.
///
/// ## Development (LAN - no auth required)
/// Default values use LAN IPs for local development:
/// ```bash
/// flutter run -d chrome
/// ```
///
/// ## Production (public URLs - auth required)
/// Override with public URLs for production builds:
/// ```bash
/// flutter build web \
///   --dart-define=CORE_API_URL=https://api.schweitz.net \
///   --dart-define=TATLOCK_API_URL=https://tatlock.schweitz.net
/// ```
class AppConfig {
  AppConfig._();

  /// Core API base URL
  /// - LAN default: No auth required
  /// - Production: https://api.schweitz.net (requires OIDC)
  static const coreApiUrl = String.fromEnvironment(
    'CORE_API_URL',
    defaultValue: 'http://192.168.86.149:8083',
  );

  /// Tatlock API base URL
  /// - LAN default: No auth required
  /// - Production: https://tatlock.schweitz.net (requires OIDC)
  static const tatlockApiUrl = String.fromEnvironment(
    'TATLOCK_API_URL',
    defaultValue: 'http://192.168.86.149:8000',
  );

  /// Authentik OIDC discovery URL
  static const authDiscoveryUrl = String.fromEnvironment(
    'AUTH_DISCOVERY_URL',
    defaultValue:
        'https://auth.schweitz.net/application/o/tatlock-ui/.well-known/openid-configuration',
  );

  /// Authentik client ID
  static const authClientId = String.fromEnvironment(
    'AUTH_CLIENT_ID',
    defaultValue: 'tatlock-ui',
  );

  /// Authentik redirect URI scheme
  static const authRedirectScheme = String.fromEnvironment(
    'AUTH_REDIRECT_SCHEME',
    defaultValue: 'net.schweitz.tatlock',
  );

  /// Whether running in debug mode
  static const isDebug = bool.fromEnvironment('DEBUG', defaultValue: false);

  /// Whether auth is required (false for LAN development)
  static bool get requiresAuth =>
      coreApiUrl.contains('schweitz.net') ||
      tatlockApiUrl.contains('schweitz.net');

  /// Portainer URL for container management
  static const portainerUrl = String.fromEnvironment(
    'PORTAINER_URL',
    defaultValue: 'http://192.168.86.149:9000',
  );

  /// Netdata URL for system monitoring
  static const netdataUrl = String.fromEnvironment(
    'NETDATA_URL',
    defaultValue: 'http://192.168.86.149:19999',
  );
}