import { EventEmitter2 } from '@nestjs/event-emitter';
import {
  MessageBody,
  OnGatewayConnection,
  SubscribeMessage,
  WebSocketGateway,
  WebSocketServer,
} from '@nestjs/websockets';
import { Server, Socket } from 'socket.io';
import { MessagesEventService } from './messages-event.service';

@WebSocketGateway({
  cors: {
    origin: '*',
  },
})
export class MessagesGateway implements OnGatewayConnection {
  @WebSocketServer()
  server: Server;

  constructor(private event: EventEmitter2) {}

  async onModuleInit() {
    const eventsToForward = [
      MessagesEventService.EVENTS.GET_CONVERSATIONS,
      MessagesEventService.EVENTS.GET_CONVERSATION,
      MessagesEventService.EVENTS.SEND_MESSAGE,
      MessagesEventService.EVENTS.REPLY_MESSAGE,
    ];

    for (const event of eventsToForward) {
      this.event.on(event, (data) => {
        this.server.emit(event, data);
      });
    }
  }
  async handleConnection(client: Socket) {
    console.log(`📢 Client connected: ${client.id}`);
  }

  @SubscribeMessage(MessagesEventService.EVENTS.RECEIVE_CONVERSATIONS)
  async handleReiveConversations(@MessageBody() data: any) {
    this.event.emit(MessagesEventService.EVENTS.RECEIVE_CONVERSATIONS, data);
  }

  @SubscribeMessage(MessagesEventService.EVENTS.RECEIVE_CONVERSATION)
  async handleReiveConversation(@MessageBody() data: any) {
    this.event.emit(MessagesEventService.EVENTS.RECEIVE_CONVERSATION, data);
  }
}