<?php

class Qs_Form extends Qs_Sys_Form
{
    protected $_hasSpamProtection = false;
    protected $_spamProtectionMessage = 'Your data were not submitted';

    public function init()
    {
        parent::init();
        $this->_initSpamProtection();
        return $this;
    }

    public function setHasSpamProtection($value)
    {
        $this->_hasSpamProtection = $value;
        return $this;
    }

    protected function _initSpamProtection()
    {
        if ($this->_hasSpamProtection) {
            $this->_initCookieProtection();
        }
        return $this;
    }

    protected function _initCookieProtection()
    {
        $fullAlias = Qs_SiteMap::findFirst(null, array('type' => 'FormCookie_'), 'null', 'fullAlias');
        if (!$fullAlias) {
            throw new Qs_Form_Exception('Page for cookie protection is not found!');
        }
        $url = constant('BASE_URL') . '/' . $fullAlias . '?form=' . rawurlencode($this->getId());

        /** @var Qs_Doc $doc */
        $doc = Zend_Registry::get('doc');
        $doc->addStylesheet($url, array('skipPacking' => true));

        return $this;
    }

    protected function _validateSpamProtection()
    {
        if ($this->_hasSpamProtection) {
            if (!$this->_validateCookieProtection()) {
                $this->addError($this->_spamProtectionMessage);
                return false;
            }
        }
        return true;
    }

    protected function _validateCookieProtection()
    {
        if (!App_FormCookie_View::getCookie($this->getId())) {
            return false;
        }
        return true;
    }

    public function validate($data = null)
    {
        if (!$this->_validateSpamProtection()) {
            return false;
        }
        return parent::validate($data);
    }

    public function validatePartial($data = null)
    {
        if (!$this->_validateSpamProtection()) {
            return false;
        }
        return parent::validatePartial($data);
    }
}