import * as passport from 'passport';
import * as passportLocal from 'passport-local';
import { DashUserModel, default as User } from './DashUserModel';

const LocalStrategy = passportLocal.Strategy;

passport.serializeUser<any, any>((req, user, done) => {
    done(undefined, (user as any)?.id);
});

passport.deserializeUser<any, any>((id, done) => {
    User.findById(id)
        .exec()
        .then(user => done(undefined, user));
});

// AUTHENTICATE JUST WITH EMAIL AND PASSWORD
passport.use(
    new LocalStrategy({ usernameField: 'email', passReqToCallback: true }, (req, email, password, done) => {
        User.findOne({ email: email.toLowerCase() })
            .then(user => {
                if (!user) return done(undefined, false, { message: 'Invalid email or password' }); // invalid email
                (user as any as DashUserModel).comparePassword(password, (error: Error, isMatch: boolean) => {
                    if (error) return done(error);
                    if (!isMatch) return done(undefined, false, { message: 'Invalid email or password' }); // invalid password
                    // valid authentication HERE
                    return done(undefined, user);
                });
            })
            .catch(error => done(error));
    })
);