/// Represents a Nostr relay connection.
class NostrRelay {
  /// Relay URL (e.g., 'wss://relay.example.com').
  final String url;

  /// Whether the relay is currently connected.
  bool isConnected;

  /// Whether the relay is enabled (should be used).
  bool isEnabled;

  /// Number of consecutive connection failures.
  int retryCount;

  /// Maximum number of retry attempts before disabling.
  static const int maxRetryAttempts = 3;

  /// Creates a [NostrRelay] instance.
  NostrRelay({
    required this.url,
    this.isConnected = false,
    this.isEnabled = true,
    this.retryCount = 0,
  });

  /// Creates a [NostrRelay] from a URL string.
  factory NostrRelay.fromUrl(String url) {
    return NostrRelay(url: url);
  }

  @override
  String toString() {
    return 'NostrRelay(url: $url, connected: $isConnected, enabled: $isEnabled, retryCount: $retryCount)';
  }

  @override
  bool operator ==(Object other) {
    if (identical(this, other)) return true;
    return other is NostrRelay && other.url == url;
  }

  @override
  int get hashCode => url.hashCode;
}