export type BridgeBindMode = "auto" | "lan" | "loopback" | "custom";

export type BridgeConfig = {
  enabled?: boolean;
  port?: number;
  /**
   * Bind address policy for the node bridge server.
   * - auto: Tailnet IPv4 if available, else 0.0.0.0 (fallback to all interfaces)
   * - lan: 0.0.0.0 (all interfaces, no fallback)
   * - loopback: 127.0.0.1 (local-only)
   * - custom: User-specified IP, fallback to 0.0.0.0 if unavailable (requires customBindHost on gateway)
   */
  bind?: BridgeBindMode;
};

export type WideAreaDiscoveryConfig = {
  enabled?: boolean;
};

export type DiscoveryConfig = {
  wideArea?: WideAreaDiscoveryConfig;
};

export type CanvasHostConfig = {
  enabled?: boolean;
  /** Directory to serve (default: ~/clawd/canvas). */
  root?: string;
  /** HTTP port to listen on (default: 18793). */
  port?: number;
  /** Enable live-reload file watching + WS reloads (default: true). */
  liveReload?: boolean;
};

export type TalkConfig = {
  /** Default ElevenLabs voice ID for Talk mode. */
  voiceId?: string;
  /** Optional voice name -> ElevenLabs voice ID map. */
  voiceAliases?: Record<string, string>;
  /** Default ElevenLabs model ID for Talk mode. */
  modelId?: string;
  /** Default ElevenLabs output format (e.g. mp3_44100_128). */
  outputFormat?: string;
  /** ElevenLabs API key (optional; falls back to ELEVENLABS_API_KEY). */
  apiKey?: string;
  /** Stop speaking when user starts talking (default: true). */
  interruptOnSpeech?: boolean;
};

export type GatewayControlUiConfig = {
  /** If false, the Gateway will not serve the Control UI (default /). */
  enabled?: boolean;
  /** Optional base path prefix for the Control UI (e.g. "/clawdbot"). */
  basePath?: string;
};

export type GatewayAuthMode = "token" | "password";

export type GatewayAuthConfig = {
  /** Authentication mode for Gateway connections. Defaults to token when set. */
  mode?: GatewayAuthMode;
  /** Shared token for token mode (stored locally for CLI auth). */
  token?: string;
  /** Shared password for password mode (consider env instead). */
  password?: string;
  /** Allow Tailscale identity headers when serve mode is enabled. */
  allowTailscale?: boolean;
};

export type GatewayTailscaleMode = "off" | "serve" | "funnel";

export type GatewayTailscaleConfig = {
  /** Tailscale exposure mode for the Gateway control UI. */
  mode?: GatewayTailscaleMode;
  /** Reset serve/funnel configuration on shutdown. */
  resetOnExit?: boolean;
};

export type GatewayRemoteConfig = {
  /** Remote Gateway WebSocket URL (ws:// or wss://). */
  url?: string;
  /** Token for remote auth (when the gateway requires token auth). */
  token?: string;
  /** Password for remote auth (when the gateway requires password auth). */
  password?: string;
  /** SSH target for tunneling remote Gateway (user@host). */
  sshTarget?: string;
  /** SSH identity file path for tunneling remote Gateway. */
  sshIdentity?: string;
};

export type GatewayReloadMode = "off" | "restart" | "hot" | "hybrid";

export type GatewayReloadConfig = {
  /** Reload strategy for config changes (default: hybrid). */
  mode?: GatewayReloadMode;
  /** Debounce window for config reloads (ms). Default: 300. */
  debounceMs?: number;
};

export type GatewayHttpChatCompletionsConfig = {
  /**
   * If false, the Gateway will not serve `POST /v1/chat/completions`.
   * Default: false when absent.
   */
  enabled?: boolean;
};

export type GatewayHttpEndpointsConfig = {
  chatCompletions?: GatewayHttpChatCompletionsConfig;
};

export type GatewayHttpConfig = {
  endpoints?: GatewayHttpEndpointsConfig;
};

export type GatewayConfig = {
  /** Single multiplexed port for Gateway WS + HTTP (default: 18789). */
  port?: number;
  /**
   * Explicit gateway mode. When set to "remote", local gateway start is disabled.
   * When set to "local", the CLI may start the gateway locally.
   */
  mode?: "local" | "remote";
  /**
   * Bind address policy for the Gateway WebSocket + Control UI HTTP server.
   * - auto: Tailnet IPv4 if available, else 0.0.0.0 (fallback to all interfaces)
   * - lan: 0.0.0.0 (all interfaces, no fallback)
   * - loopback: 127.0.0.1 (local-only)
   * - custom: User-specified IP, fallback to 0.0.0.0 if unavailable (requires customBindHost)
   * Default: loopback (127.0.0.1).
   */
  bind?: BridgeBindMode;
  /** Custom IP address for bind="custom" mode. Fallback: 0.0.0.0. */
  customBindHost?: string;
  controlUi?: GatewayControlUiConfig;
  auth?: GatewayAuthConfig;
  tailscale?: GatewayTailscaleConfig;
  remote?: GatewayRemoteConfig;
  reload?: GatewayReloadConfig;
  http?: GatewayHttpConfig;
};