<?php

namespace Da\User\Form;

use Da\User\Model\User;
use Da\User\Traits\ContainerTrait;
use dektrium\user\traits\ModuleTrait;
use Yii;
use yii\base\Model;


class RegistrationForm extends Model
{
    use ModuleTrait;
    use ContainerTrait;

    /**
     * @var string User email address
     */
    public $email;
    /**
     * @var string Username
     */
    public $username;
    /**
     * @var string Password
     */
    public $password;

    /**
     * @inheritdoc
     */
    public function rules()
    {
        /** @var User $user */
        $user = $this->getClassMap()->get(User::class);

        return [
            // username rules
            'usernameLength' => ['username', 'string', 'min' => 3, 'max' => 255],
            'usernameTrim' => ['username', 'filter', 'filter' => 'trim'],
            'usernamePattern' => ['username', 'match', 'pattern' => $user->usernameRegex],
            'usernameRequired' => ['username', 'required'],
            'usernameUnique' => [
                'username',
                'unique',
                'targetClass' => $user,
                'message' => Yii::t('user', 'This username has already been taken')
            ],
            // email rules
            'emailTrim' => ['email', 'filter', 'filter' => 'trim'],
            'emailRequired' => ['email', 'required'],
            'emailPattern' => ['email', 'email'],
            'emailUnique' => [
                'email',
                'unique',
                'targetClass' => $user,
                'message' => Yii::t('user', 'This email address has already been taken')
            ],
            // password rules
            'passwordRequired' => ['password', 'required', 'skipOnEmpty' => $this->module->enableGeneratingPassword],
            'passwordLength' => ['password', 'string', 'min' => 6, 'max' => 72],
        ];
    }

    /**
     * @inheritdoc
     */
    public function attributeLabels()
    {
        return [
            'email' => Yii::t('user', 'Email'),
            'username' => Yii::t('user', 'Username'),
            'password' => Yii::t('user', 'Password'),
        ];
    }

    /**
     * Registers a new user account. If registration was successful it will set flash message.
     *
     * @return bool
     */
    public function register()
    {
        if (!$this->validate()) {
            return false;
        }

        /** @var User $user */
        $user = Yii::createObject(User::className());
        $user->setScenario('register');
        $this->loadAttributes($user);

        if (!$user->register()) {
            return false;
        }

        Yii::$app->session->setFlash(
            'info',
            Yii::t(
                'user',
                'Your account has been created and a message with further instructions has been sent to your email'
            )
        );

        return true;
    }

    /**
     * Loads attributes to the user model. You should override this method if you are going to add new fields to the
     * registration form. You can read more in special guide.
     *
     * By default this method set all attributes of this model to the attributes of User model, so you should properly
     * configure safe attributes of your User model.
     *
     * @param User $user
     */
    protected function loadAttributes(User $user)
    {
        $user->setAttributes($this->attributes);
    }
}