const database = require('./../database');
const passport = require('passport');
const passportLocal = require('passport-local');

passport.use(new passportLocal.Strategy((email, password, cb) => {
    query = `SELECT id, email, password, admin
            FROM accounts.users
            WHERE email = $1`;
    const result = database.executeQuery(query, [email]);
    if(result.length > 0) {
        const first = result[0];
        bcrypt.compare(password, first[2], function(err, res) {
            if(res) {
                cb(null, { id: first[0], email: first[1], admin: first[3] })
            }
            else
            {
                cb(null, false)
            }
        })
    } else {
        cb(null, false)
    }
}));

passport.serializeUser((user, done) => {
    done(null, user.id)
})

passport.deserializeUser((id, cb) => {
    query = `SELECT id, email, admin
            FROM accounts.users
            WHERE id = $1`;
    const result = database.executeQuery(query, [parseInt(id, 10)]);
    
    cb(null, result[0]);
});