controllers/QuestionController.js

const asyncHandler = require("express-async-handler");
const Room = require("../models/RoomModel");
const Question = require("../models/QuestionsModel");
const User = require("../models/UserModel");
const Team = require("../models/TeamModel");
const { questionSolved, questionSolvedlvl3 } = require("../sockets/QuestionSolved");
const Leaderboard = require("../models/LeaderboardModel");
const Round = require("../models/RoundsModel");
const CollaborativeLeaderboardModel = require("../models/CollaborativeLeaderboardModel");
const { round4End, teamRoundOver } = require("../sockets/RoundStartEnd");
const { updateLeaderBoard } = require("../sockets/LeaderBoardUpdated");
const UserQuestionModel = require("../models/UserQuestionModel");





exports.validateAnswer = asyncHandler(async (req, res) => {
    try {
        //In data from frontend we will recieve qs no. and answer enterd by user  
        //data must contain QuestionNumber and Answer     
        let data = req.body;
        let question = await Question.findOne({ QuestionNumber: data.QuestionNumber })
        let round = await Round.findOne({ Round: question.Round });
        let date = new Date();
        if (!round.Enabled) {
            res.send("Round is disabled");
            return;
        }
        if (date >= round.StartTime && date <= round.EndTime) {
            let board = await Leaderboard.findOne({ TeamID: req.team._id, Round: question.Round })
            let mainBoard=await Leaderboard.findOne({TeamID:req.team._id,Round:0})
            if (question.Round === 3) {
                board = await CollaborativeLeaderboardModel.findOne({
                    $or: [{ TeamID1: req.team._id }, { TeamID2: req.team._id }]
                });
            }


            if ((data.Answer).trim() === (question.Answer).trim()) {
                let x = board.Questions.Unsolved.indexOf(question._id);  
                let y = board.Questions.Solved.indexOf(question._id);
                if (x === -1 && y !== -1) {
                    res.json({
                        message: "Question already solved",
                        status: false
                    })
                    return;
                }
                else if (x === -1) {
                    res.json({
                        message: "Question not found",
                        status: false
                    })
                    return;
                }
               let ques2=await UserQuestionModel.findOne({TeamID:req.team._id,QuestionNumber:question.QuestionNumber,Round:question.Round})
                board.Questions.Unsolved.splice(x, 1);
              //  console.log(board.Questions.Unsolved);
                board.Questions.Solved.push(question._id);
                board.Points += question.Points;
                mainBoard.Points += question.Points;
                await mainBoard.save();
                if(question.Round === 3){
                    board.Team1Points += question.Points;
                    board.Team2Points += question.Points;
                    questionSolvedlvl3(req, req.user, ques2, board)
                }
                board.Time = Date.now();
                await board.save();
                if(question.Round !== 3)
                updateLeaderBoard(req)
                questionSolved(req, req.user, ques2);
                if (board.Questions.Unsolved.length === 0 && question.Round === 4 && question.QuestionNumber===94) {
                    round.Enabled = false;
                    await round.save();
                    round4End();
                }
                else if(board.Questions.Unsolved.length === 0){
                    board.Enabled = false;
                    await board.save();
                    teamRoundOver(req.user,question.Round)
                }
            
                    
                    res.json({
                        message: "CORRECT ANSWER !",
                        status: true
                    })
                
            }

            else {
                res.json({
                    message: "INCORRECT ANSWER !",
                    status: false
                })
            }
        }
        else {
            res.json({
                message: "Round has not started yet",
                status: false
            })
            return;

        }
    }
    catch (error) {
        console.log(error);
        res.status(500).json({
            message: error.message,
            status: false
        })
    }
})














exports.hintProvider = asyncHandler(async (req, res) => {
    try {
        //In data from frontend we will recieve hintAddress of that question      
        let data = req.body;
        let round = data.Round;
        let hintAddress = data.HintAddress;

        let question = await UserQuestionModel.findOne({ TeamID: req.team._id, HintAddress: hintAddress, Round: round })

        if (question !== null) {
            res.json({
                Hint: question.Hint,
                status: true
            })
        }
        else{
            res.json({
                Hint:hintAddress+":Some Error Occured Contact ccs for more help",
                status:true
            })
        }
        
    }
    catch (error) {
        res.status(500).json({
            message: error.message,
            status: false
        })
    }
})