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;

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

    if (setupData[0].discord !== undefined) {
        const DiscordStrategy = require('../../models/Passport-Discord');
    }

    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.use(passport.initialize());
router.use(passport.session());

passport.deserializeUser((user, done) => {
    done(null, user);
});

router.get('/callback', passport.authenticate('discord', {
    failureRedirect: '/auth/login'
}), (req, res, next) => {
    checkUserExistsDiscord(req, res, () => {
        if (req.userExists) {
            return res.redirect('/dpanel/dashboard');
        } else {
            createUser(req.user, (createErr) => {
                if (createErr) {
                    return next(createErr);
                }
                return res.redirect('/dpanel/dashboard');
            });
        }
    });
});


module.exports = router;