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

let userData = getUserData();
let setupData;

getSetupData().then(data => {
    setupData = data;

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

    getUserData().then(user => {
        if (user.identifyURL) {
            router.get("/auth/discord", (req, res) => {
                res.redirect(user.identifyURL);
            });
        }

        router.get("/", (req, res) => {
            res.redirect(setupData.discord.identifyURL);
        });
    });
});

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

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

router.get('/callback', (req, res, next) => {
    passport.authenticate('discord', (err, user, info) => {
        if (err) {
            return next(err);
        }

        if (!user) {
            return res.redirect('/auth/login');
        }

        req.logIn(user, (loginErr) => {
            if (loginErr) {
                return next(loginErr);
            }

            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');
                    });
                }
            });
        });
    })(req, res, next);
});

module.exports = router;