<?php

class App_ECommerce_Order_MailAdapter
{
    protected static $_baseSettingsPrefix = 'eCommerceOrder';
    protected static $_settingsPrefix = '';

    /**
     * Send notification to admin
     *
     * @static
     * @param array $data
     * @param string $suffix
     * @return App_ECommerce_Order_MailAdapter
     */
    public static function sendAdminNotification($data, $suffix = '')
    {
        static::$_settingsPrefix = static::$_baseSettingsPrefix . $suffix . 'AdminEmail';
        $adminEmails = App_Settings_Obj::getFormEmails(static::$_settingsPrefix . 'To');
        if (empty($data['link'])) {
            $data['link'] = Qs_SiteMap::findFirst(null, array('type' => 'ECommerce_Order_Admin_'), null, 'url')
                . '?action=view&id=' . (!empty($data['orderId']) ? $data['orderId'] : $data['id']);
        }
        static::_sendNotification($data, $adminEmails);
        return true;
    }

    /**
     * Send notification to user
     *
     * @static
     * @param array $data
     * @param string $suffix
     * @return App_ECommerce_Order_MailAdapter
     */
    public static function sendUserNotification($data, $suffix = '')
    {
        $userEmail = $data['billingEmail'];
        if (filter_var($userEmail, FILTER_VALIDATE_EMAIL)) {

            static::$_settingsPrefix = static::$_baseSettingsPrefix . $suffix . 'UserEmail';

            if (!static::_isUserLoggedIn() && !$data['userId']) {
                $data['link'] = Qs_SiteMap::findFirst(null, array('type' => 'ECommerce_Order_GuestView_'), null, 'url')
                              . '/' . $data['accessCode'];
            } else {
                if (empty($data['link'])) {
                    $data['link'] = Qs_SiteMap::findFirst(null, array('type' => 'ECommerce_Order_'), null, 'url')
                        . '/view/' . (!empty($data['orderId']) ? $data['orderId'] : $data['id']);
                }
            }

            static::_sendNotification($data, $userEmail);
        }
        return true;
    }

    protected static function _sendNotification($data, $to)
    {
        $body = App_Settings_Obj::get(static::$_settingsPrefix . 'Body');
        if (empty($to) || empty($body)) {
            return false;
        }

        $subject = App_Settings_Obj::get(static::$_settingsPrefix . 'Subject');
        $from = App_Settings_Obj::getEmailFrom(static::$_settingsPrefix . 'From');
        if (!isset($data['link']) &&
            false !== ($link = Qs_SiteMap::findFirst(null, array('type' => 'User\\Login\\'), null, 'url'))
        ) {
            $data['link'] = $link;
        }

        foreach ($data as $field => $value) {
            if (null === $value || is_scalar($value)) {
                $body = str_replace('{' . $field . '}', (string) $value, $body);
            }
        }
        return static::sendMail(compact('subject', 'from', 'to', 'body'));
    }

    /**
     * Send mail
     *
     * @static
     * @param array $options
     * @return bool
     * @throws Qs_ViewController_Exception
     */
    public static function sendMail($options)
    {
        $requiredOptions = array('from', 'to', 'subject', 'body');
        $diff = array_diff_key(array_combine($requiredOptions, array_fill(0, count($requiredOptions), '')), $options);
        if (!empty($diff)) {
            throw new Qs_ViewController_Exception('App_ECommerce_Order_MailAdapter::sendMail. Missed required options: '
                . implode(', ', array_keys($diff)));
        }
        $from = $to = $subject = $body = '';
        extract($options);
        $mail = new Qs_Mail();
        $mail->setFrom($from);
        $mail->setSubject($subject);
        Qs_Mail::cutImageBaseUrl($body, constant('BASE_URL'));
        $mail->setHtml($body, null, constant('WWW_PATH'));
        $mail->addTo($to);
        return $mail->send();
    }

    protected static function _isUserLoggedIn()
    {
        /** @var Qs_Doc $doc */
        $doc = Zend_Registry::get('doc');

        /** @var Qs_Auth $auth  */
        $auth = $doc->getAuth();
        if ('App\\User\\Auth' == get_class($auth)) {
            return $auth->isLoggedIn();
        }
        return false;
    }
}