/**
 * Type declarations for @metatrom/libp2p-native-bridge
 * Self-contained for IOR type generation
 */

// Core types
export interface PeerId {
  toString(): string;
  toBytes(): Uint8Array;
  equals(other: PeerId): boolean;
}

export interface Multiaddr {
  toString(): string;
  bytes: Uint8Array;
  protos(): Array<{ code: number; name: string }>;
  getPeerId(): string | null;
}

export interface Connection {
  id: string;
  remotePeer: PeerId;
  remoteAddr: Multiaddr;
  stat: {
    direction: 'inbound' | 'outbound';
    status: 'pending' | 'open' | 'closing' | 'closed';
    timeline: {
      open: number;
      upgraded?: number;
      close?: number;
    };
  };
}

export interface PeerInfo {
  id: PeerId;
  multiaddrs: Multiaddr[];
}

export interface ProtocolHandler {
  protocolId: string;
  handler: (data: { peerId: string; data?: Uint8Array }) => void | Promise<void>;
}

export interface ILibp2pComponent {
  peerId: PeerId | null;
  multiaddrs: Multiaddr[];

  start(): Promise<void>;
  stop(): Promise<void>;
  dial(multiaddr: string): Promise<Connection>;
  hangUp(peerId: string): Promise<void>;
  getConnections(peerId?: string): Promise<Connection[]>;
  sendProtocolData(peerId: string, protocolId: string, data: Uint8Array): Promise<void>;
  refreshDiscovery(): Promise<void>;
  pingPeer(peerId: string): Promise<{ success: boolean; rtt?: number; peerId: string }>;

  addEventListener<K extends keyof Libp2pEvents>(
    event: K,
    handler: (evt: Libp2pEvents[K]) => void,
  ): void;

  removeEventListener<K extends keyof Libp2pEvents>(
    event: K,
    handler: (evt: Libp2pEvents[K]) => void,
  ): void;
}

export interface Libp2pEvents {
  'peer:discovery': CustomEvent<PeerInfo>;
  'peer:lost': CustomEvent<{ id: PeerId }>;
  'peer:connect': CustomEvent<Connection>;
  'peer:disconnect': CustomEvent<Connection>;
  'connection:open': CustomEvent<Connection>;
  'connection:close': CustomEvent<Connection>;
  'self:peer:update': CustomEvent<{ peerId: PeerId; multiaddrs: Multiaddr[] }>;
}

export interface Libp2pOptions {
  config?: {
    tcpPort?: number;
    wsPort?: number;
  };
  protocols?: ProtocolHandler[];
  keypair?: {
    privateKey: Uint8Array;
    publicKey: Uint8Array;
  };
}

// Event types
export interface ConnectionStatusEvent {
  peerId: string;
  status: string;
  direction?: 'inbound' | 'outbound';
  multiaddr?: string;
}

export interface PeerDiscoveredEvent {
  peerId: string;
  addresses?: string[];
  multiaddrs?: string[];
  metadata?: {
    userName?: string;
    deviceName?: string;
    timestamp?: number;
  };
}

export interface PeerInfoEvent {
  peerId: string;
  multiaddrs: string[];
}

// Settings types
export interface AppSettings {
  tcpPort: number;
  wsPort: number;
  discoveryTimeout: number;
  enableDebugLogs: boolean;
  autoDiscovery: boolean;
  useCustomPorts: boolean;
  dhtServerUrl: string;
}

export interface INativeModules {
  Libp2pModule?: any;
  DiscoveryModule?: any;
  SecureStorageModule?: any;
}

// Constants
export declare const LIBP2P_CONFIG: {
  CONNECTION_STATUS: {
    CONNECTED: string;
    PENDING: string;
    DISCONNECTED: string;
    FAILED: string;
  };
  DEFAULT_TCP_PORT: number;
  DEFAULT_WS_PORT: number;
};

export declare const DEFAULT_SETTINGS: AppSettings;

// Component classes
export declare class SimplePeerId implements PeerId {
  constructor(id: string);
  toString(): string;
  toBytes(): Uint8Array;
  equals(other: PeerId): boolean;
}

export declare class SimpleMultiaddr implements Multiaddr {
  bytes: Uint8Array;
  constructor(addr: string);
  toString(): string;
  protos(): Array<{ code: number; name: string }>;
  getPeerId(): string | null;
}

export declare class Libp2pComponent implements ILibp2pComponent {
  constructor(options?: Libp2pOptions, nativeModules?: any);
  
  peerId: PeerId | null;
  multiaddrs: Multiaddr[];

  start(): Promise<void>;
  stop(): Promise<void>;
  dial(multiaddr: string): Promise<Connection>;
  hangUp(peerId: string): Promise<void>;
  getConnections(peerId?: string): Promise<Connection[]>;
  sendProtocolData(peerId: string, protocolId: string, data: Uint8Array): Promise<void>;
  refreshDiscovery(): Promise<void>;
  pingPeer(peerId: string): Promise<{ success: boolean; rtt?: number; peerId: string }>;

  addEventListener<K extends keyof Libp2pEvents>(
    event: K,
    handler: (evt: Libp2pEvents[K]) => void,
  ): void;

  removeEventListener<K extends keyof Libp2pEvents>(
    event: K,
    handler: (evt: Libp2pEvents[K]) => void,
  ): void;
}

export declare class SettingsService {
  static getInstance(nativeModules?: INativeModules): SettingsService;
  static resetInstance(): void;
  
  initialize(): Promise<AppSettings>;
  loadSettings(): Promise<AppSettings>;
  saveSettings(settings: AppSettings): Promise<void>;
  getSettings(): AppSettings;
  getSetting<K extends keyof AppSettings>(key: K): AppSettings[K];
  updateSetting<K extends keyof AppSettings>(key: K, value: AppSettings[K]): Promise<void>;
  resetAllData(): Promise<void>;
  exportDebugData(): Promise<object>;
  isFirstLaunch(): Promise<boolean>;
  getStorageInfo(): Promise<{ keys: string[]; totalSize: number; }>;
}

export declare function getSettingsService(nativeModules?: INativeModules): SettingsService;

// UI Components
export declare const SettingsUI: React.FC<{
  initialSettings?: AppSettings;
  onSettingsChange?: (settings: AppSettings) => void;
  onPortsSaved?: () => void;
  onReset?: () => void;
}>;