import { Server as HttpServer } from "http";
import { ServiceBase } from "./ServiceBase";
import { Server } from "socket.io";
import { SessionController } from "../controllers/SessionController";

export class SocketIoService  extends ServiceBase{
  io: Server
  constructor(private httpServer: HttpServer) {
    super()
    this.io = this.socketIo(httpServer);   
    this.initListeners();
  }

  public getServer(): Server {
    return this.io;
  }

  private initListeners() {
    const sessionController = new SessionController();
    this.io.on('connection', (socket) => {
      console.log(`connect ${socket.id}`);
      if (socket.recovered) {
        // recovery was successful: socket.id, socket.rooms and socket.data were restored
        console.log("recovered!");
        console.log("socket.rooms:", socket.rooms);
        console.log("socket.data:", socket.data);
      } else {
        console.log("new connection");
        socket.join('room-general')
        socket.data.foo = "bar";
      }
      
    
      socket.on('disconnect', () => {
        console.log('user disconnected');
      });
    
      socket.on('createSession', (data, callback) => {
        const response = sessionController.createSession(data, socket.id);
        callback(response);
      });

      socket.on('startSession', (data, callback) => {
        const response = sessionController.startSession(data);    
        callback(response);
      });
    
       socket.on('joinSession', (data, callback) => {
        const response = sessionController.joinSession(data, socket.id);
        callback(response);
      });
    
      // socket.on('chat message', (msg, callback) => {
      //   io.emit('chat message', msg);
      //   callback({
      //     status: 'ok',
      //     message: 'Message received',
      //   })
      // });
    });
  }
  
  private socketIo(httpServer: HttpServer): Server {
    return new Server(httpServer, {
      cors: {
        origin: '*',
      },
      connectionStateRecovery: {
        maxDisconnectionDuration: 15 * 60 * 1000,
        skipMiddlewares: true,
      },
      connectTimeout: 15 * 60 * 1000,
    })
  }
}