<?php
namespace customerapi\models;

use common\models\Customer;
use Yii;
use yii\base\Model;

/**
 * Login form
 */
class LoginForm extends Model
{
    public $username;
    public $password;

    public $customer;

    /**
     * @inheritdoc
     */
    public function rules()
    {
        return [
            // username and password are both required
            [['username', 'password'], 'required'],
            // password is validated by validatePassword()
            ['password', 'validatePassword'],
        ];
    }
    
    public function attributeLabels(){
    	return [
    			'username' =>Yii::t('common/site', 'Username'),
    			'password' =>Yii::t('common/site', 'Password'),
    	];
    }

    /**
     * Validates the password.
     * This method serves as the inline validation for password.
     *
     * @param string $attribute the attribute currently being validated
     * @param array $params the additional name-value pairs given in the rule
     * @throws \yii\base\InvalidConfigException
     */
    public function validatePassword($attribute, $params)
    {
        if (!$this->hasErrors()) {
            /** @var \common\models\Customer $user */
            $customer = $this->getCustomer();
            if (!$customer || !$customer->validatePassword($this->password)) {
                $this->addError($attribute, 'Incorrect username or password.');
            }
        }
    }


    /**
     * Finds user by [[username]]
     *
     * @return Customer|null
     */
    public function getCustomer()
    {
        if ( $this->customer === null ){
            $this->customer =  Customer::findIdentity( $this->username );
        }
        return  $this->customer;
    }
}