<?php
    
    namespace frontend\models;
    
    use Yii;
    use yii\base\Model;
    
    /**
     * ContactForm is the model behind the contact form.
     */
    class ContactForm extends Model
    {
        public $name;
        public $email;
        public $subject;
        public $body;
        public $verifyCode;
        
        /**
         * @inheritdoc
         */
        public function rules()
        {
            return [
                // name, email, subject and body are required
                [
                    [
                        'name',
                        'email',
                        'subject',
                        'body',
                    ],
                    'required',
                ],
                // email has to be a valid email address
                [
                    'email',
                    'email',
                ],
                // verifyCode needs to be entered correctly
                [
                    'verifyCode',
                    'captcha',
                ],
            ];
        }
        
        /**
         * @inheritdoc
         */
        public function attributeLabels()
        {
            return [
                'verifyCode' => 'Verification Code',
            ];
        }
        
        /**
         * Sends an email to the specified email address using the information collected by this model.
         *
         * @param string $email the target email address
         *
         * @return bool whether the email was sent
         */
        public function sendEmail($email)
        {
            return Yii::$app->mailer->compose()
                                    ->setTo($email)
                                    ->setFrom([ $this->email => $this->name ])
                                    ->setSubject($this->subject)
                                    ->setTextBody($this->body)
                                    ->send();
        }
    }