const { Server } = require("socket.io");

const io = new Server(3000, {});

var onlineUser = {
  // '10086': [
  //   {
  //     name: '',
  //     room: '',
  //     img: '',
  //     type: '', // 1群主  2管理  3 群成员
  //   }
  // ]
}

var chatRecord = {

}

io.on("connection", (socket) => {
  console.log("客户端建立连接了...");

  socket.on("UserLogin", function (arg) {
    console.log(arg);
    // 如果群已经存在
    if (onlineUser.hasOwnProperty(arg.room)) {
      arg.type = 3
    } else {
      arg.type = 1
      onlineUser[arg.room] = []
    }

    onlineUser[arg.room].push(arg);
    socket.join(arg.room);
    io.in(arg.room).emit("SystemMessage", `欢迎${arg.name}加入群聊`);
  })

  socket.on("sendMessage", (arg) => {
    if (!chatRecord.hasOwnProperty(arg.room)) {
      chatRecord[arg.room] = []
    }
    chatRecord[arg.room].push(arg)
    socket.to(arg.room).emit("PushMessage", arg);
  });

  socket.on("getOnlineUser", (arg) => {
    io.in(arg.room).emit("PushOnlineUser", onlineUser[arg.room]);
  });

  socket.on("SetShake", (arg) => {
    socket.to(arg.room).emit("PushShake");
  });
  

  socket.on("disconnect", () => {
    console.log("客户端断开连接了...");
  });
});