const express = require('express');
const router = express.Router();
const passport = require('passport');
const { checkUserExistsDiscord } = require('../../Middlewares/UserIDMiddlewareDiscord');
const { getUserData, getSetupData } = require('../../Middlewares/watcherMiddleware');

let setupData;
let user;

// Ensure Passport is initialized before using it
router.use(passport.initialize());
router.use(passport.session());

Promise.all([
    getSetupData(),
    getUserData()
]).then(([setup, userData]) => {
    setupData = setup;
    user = userData;

    if (setupData[0].discord !== undefined) {
        require('../../models/Passport-Discord'); // Ensure the strategy is registered
    }

    router.get("/auth/discord", (req, res) => {
        if (user && user.identifyURL) {
            res.redirect(user.identifyURL);
        } else {
            res.redirect('/auth/login');
        }
    });

    router.get("/", (req, res) => {
        if (setupData && setupData.discord && setupData.discord.identifyURL) {
            res.redirect(setupData.discord.identifyURL);
        } else {
            res.redirect('/auth/login');
        }
    });

    router.get('/callback', async (req, res, next) => {
        try {
            passport.authenticate('discord', { session: true }, (err, user, info) => {
                if (err) {
                    console.error('Authentication error:', err);
                    return next(err);
                }
                if (!user) {
                    console.error('No user found:', info);
                    return res.redirect('/auth/login');
                }
                req.logIn(user, (err) => {
                    if (err) {
                        console.error('Login error:', err);
                        return next(err);
                    }
                    console.log('Authenticated user:', user);
                    res.redirect('/dpanel/dashboard');
                });
            })(req, res, next);
        } catch (error) {
            console.error('Error handling callback:', error);
            next(error);
        }
    });
       
});
    

module.exports = router;