//data {userA,userB}
  socket.on("openConversation", async function (data) {
    let convDetail = await db.models.chat.findOne({
      where: {
        userA: data.userA,
        userB: data.userB
      }
    });
    if (convDetail) {
      let chatMessages = await db.models.message.findAll({
        where: {
          chatId: convDetail.id
        }
      });
      //console.log(convDetail);
      //console.log(chatMessages);
      socket.emit("responce", chatMessages);
    } else {
      let convinfo = await db.models.chat.findOne({
        where: {
          userA: data.userB,
          userB: data.userA
        }
      });

      if (convinfo) {
        let convMessage = await db.models.message.findAll({
          where: {
            chatId: convinfo.id
          }
        });
        console.log(convMessage);
        socket.emit("responce", convMessage);
      } else {
        console.log("nooo");
        socket.emit("responce", {
          message: "no chat between that users"
        });
      }
    }
  });

  //create new conversation event
  // data = {userA,userB }
  socket.on("createConversation", async function (data) {
    let check = await db.models.chat.findOne({
      where: {
        userA: data.userA,
        userB: data.userB
      }
    });

    if (!check) {
      let newConv = await db.models.chat.create({
        userA: data.userA,
        userB: data.userB
      });
      // console.log(newConv);
      socket.emit("newConversation", newConv);
    } else {
      console.log('noo way')
      socket.emit("existing", {
        message: "already have conversation"
      });
    }
  });

  //listen for event 'newMessage'
  // data = {msg, userId, chatId}
  socket.on("newMessage", async function (data) {
    let msg = await db.models.message.create({
      msg: data.msg,
      userId: data.userId,
      chatId: data.chatId
    });
    console.log(data);
    //send event by this data after save it in db
    socket.emit("msg", data);
  });

  // event listner for retrive all conversation
  //   socket.on('allConversation', function(data){
  //       let conversations =
  //   })

  socket.on("disconnect", function () {
    console.log("A user disconnected");
  });
});