import { io, Socket } from 'socket.io-client';

const BASE_URL = 'https://2dbb-202-8-116-13.ngrok-free.app';
const SOCKET_URL = `${BASE_URL}/tracking`;

export interface DriverLocationUpdate {
  orderId: string;
  latitude: number;
  longitude: number;
  heading?: number;
  speedKph?: number;
  recordedAt: string;
}

export interface TrackingStatusUpdate {
  orderId: string;
  status: 'OUT_FOR_DELIVERY' | 'DELIVERED';
  timestamp: string;
}

class SocketService {
  private socket: Socket | null = null;

  connect(token: string): Socket {
    if (this.socket?.connected) {
      console.log(
        '[Socket] Already connected to Tracking Namespace',
        this.socket,
      );
      return this.socket;
    }

    this.socket = io(SOCKET_URL, {
      auth: { token },
      transports: ['websocket'],
      reconnection: true,
      reconnectionAttempts: Infinity,
      reconnectionDelay: 2000,
    });

    this.socket.on('connect', () => {
      console.log('[Socket] Connected to Tracking Namespace');
    });

    this.socket.on('connect_error', error => {
      console.error('[Socket] Connection Error:', error.message);
    });

    this.socket.on('disconnect', reason => {
      console.log('[Socket] Disconnected from Tracking Namespace:', reason);
    });

    return this.socket;
  }

  joinOrderTracking(orderId: string) {
    this.socket?.emit('join_order_tracking', { orderId });
    console.log(`[Socket] Emitted join_order_tracking for order: ${orderId}`);
  }

  leaveOrderTracking(orderId: string) {
    this.socket?.emit('leave_order_tracking', { orderId });
    console.log(`[Socket] Emitted leave_order_tracking for order: ${orderId}`);
  }

  onDriverLocationUpdate(callback: (data: DriverLocationUpdate) => void) {
    console.log(callback);
    this.socket?.on('driver_location_update', callback);
  }

  onOrderStatusUpdate(callback: (data: TrackingStatusUpdate) => void) {
    this.socket?.on('order_tracking_status', callback);
  }

  disconnect(orderId?: string) {
    if (this.socket) {
      if (orderId) {
        this.leaveOrderTracking(orderId);
      }
      this.socket.off('driver_location_update');
      this.socket.off('order_tracking_status');
      this.socket.disconnect();
      this.socket = null;
      console.log('[Socket] Disconnected manually');
    }
  }

  get connected(): boolean {
    return this.socket?.connected ?? false;
  }
}

export const socketService = new SocketService();
export default socketService;