const bcrypt = require("bcrypt");

const db = require("../config/database");
const HouseholdService = require("../services/HouseholdService");



class AuthController {


    registerForm(req, res) {

        res.render("auth/register", {
            title: "Registreren"
        });

    }


    async register(req, res) {

        const {
            name,
            email,
            password
        } = req.body;


        const existingUser = db.prepare(
            "SELECT id FROM users WHERE email = ?"
        ).get(email);


        if (existingUser) {

            req.flash(
                "error",
                "E-mailadres bestaat al"
            );

            return res.redirect("/register");

        }


        const passwordHash = await bcrypt.hash(
            password,
            12
        );


        const result = db.prepare(`

            INSERT INTO users
            (
                name,
                email,
                password
            )

            VALUES (?, ?, ?)

        `).run(
            name,
            email,
            passwordHash
        );


        const userId =  result.lastInsertRowid;


        HouseholdService.createForUser(
            userId,
            `${name} huishouden`
        );


        req.session.userId = userId;


        res.redirect("/");

    }



    loginForm(req, res) {

        res.render("auth/login", {
            title: "Inloggen"
        });

    }



    async login(req, res) {

        const {
            email,
            password
        } = req.body;


        const user = db.prepare(
            "SELECT * FROM users WHERE email = ?"
        ).get(email);



        if (!user) {

            req.flash(
                "error",
                "Ongeldige gegevens"
            );

            return res.redirect("/login");

        }


        const valid = await bcrypt.compare(
            password,
            user.password
        );


        if (!valid) {

            req.flash(
                "error",
                "Ongeldige gegevens"
            );

            return res.redirect("/login");

        }


        req.session.userId = user.id;


        res.redirect("/");

    }



    logout(req, res) {

        req.session.destroy(() => {

            res.redirect("/login");

        });

    }


}


module.exports = new AuthController();