/**
 * @desc setup database
 */
const setupDB = (conf) => {
    const sequelize = new Sequelize(conf.database, conf.username, conf.password, {
        host: connectOptions.host,
        dialect: connectOptions.dialect,
        pool: connectOptions.pool
    });

    sequelize.authenticate()
        .then(() => console.log('Connected to database'))
        .catch((err) => console.error(err));
    return sequelize;
};

const UserModel = {
    _conn: null,
    _table: null,

    load(conn) {
        UserModel._conn = conn;
        UserModel._table = conn.define('users', {
            id: {
                type: Sequelize.UUID,
                primaryKey: true,
                defaultValue: SEQUELIZE.UUIDV4
            },
            username: Sequelize.STRING,
            password: Sequelize.STRING
        });
    }
};

const BaseObject = (name, x, y) => {
    return { name, x, y };
};

const Car = (speed, x, y) => {
    let _currentSpeed = 0;
    let _directionX = 0,

    // concatenative inheritance
   return Object.assign(BaseObject('car', x, y), {
       speed,
       accelerate() {
           _currentSpeed += 10;
       },
       brake() {
           _currentSpeed -= 10;
       },
       turnLeft() {
           _directionX += -0.2;
       },
       turnRight() {
           _directionX -= 0.2;
       },
   });
};

const car = Car(20, 5, 5),

const action = compose(car.accelerate, car.turnLeft, car.turnLeft, car.turnRight, car.brake);

const promise = UserModel.find({
    where: {
        name: 'Jean BON'
    }
});

promise.then((user) => console.log(user.username))
       .catch((err) => console.error(err));