<?php
class KontaktController extends Zend_Controller_Action
{
    public function indexAction($form = null)
    {
        if (null === $form || !($form instanceof Application_Form_Contact)) {
            // Neues Formular Objekt erstellen wenn nicht mit übergeben
            $form = new Application_Form_Contact();
        }

        // Variablen an View übergeben
        $this->view->form = $form;

        // View verarbeiten
        $this->render('kontakt');
    }

    public function sendAction()
    {
        // Prüfen ob POST Request
        if (!$this->getRequest()->isPost()) {
            // Zum Formular weiter leiten
            return $this->_forward('index');
        }

        // Form Objekt erstellen
        $form = new Application_Form_Contact();
        $this->view->dataSubmitted = true;

        // Prüfen ob Formulardaten ungültig
        if (!$form->isValid($this->getRequest()->getPost())) {
            return $this->indexAction($form);
        }

        // Variablen an View übergeben
        $values = $form->getValues();
        $this->view->form = $values;

        // E-Mail Absender
        $from = $values['email'];

        // View verarbeiten E-Mail-Template
        $bodyText = $this->view->render($this->getViewScript('kontakt-mail'));

        // Mail erstellen
        $mail = array(
            'body' => utf8_decode($bodyText),
            'from' => $from,
            'subject' => 'Kontaktanfrage ALLE ZIELE'
        );
        // Mail versenden
        $this->sendMail($mail);

        // View verarbeiten
        $this->render('kontakt-success');
    }

    public function recommendAction($form = null)
    {
        if (null === $form || !($form instanceof Application_Form_Recommend)) {
            // Neues Formular Objekt erstellen wenn nicht mit übergeben
            $form = new Application_Form_Recommend();
        }

        // Formular Objekt an View übergeben
        $this->view->form = $form;

        // jQuery einbinden
        $this->view->headScript()->appendFile($this->view->baseUrl('js/jquery-1.7.min.js'));

        // View verarbeiten
        $this->render('empfehlen');
    }

    public function recommendsendAction()
    {
        // Prüfen ob POST Request
        if (!$this->getRequest()->isPost()) {
            // Zum Formular weiter leiten
            return $this->_forward('recommend');
        }

        // Formular Objekt erstellen
        $form = new Application_Form_Recommend();

        // Variable an View übergeben
        $this->view->dataSubmitted = true;

        // Prüfen ob Formulardaten ungültig
        if (!$form->isValid($this->getRequest()->getPost())) {
            return $this->recommendAction($form);
        }

        // Variablen an View übergeben
        $values = $form->getValues();
        $this->view->form = $values;

        // E-Mail Empfänger
        $to = $values['email'];

        // View verarbeiten E-Mail-Template
        $bodyText = $this->view->render($this->getViewScript('empfehlen-mail'));

        // Mail erstellen
        $mail = array('body' => utf8_decode($bodyText),
            'to' => $to,
            'subject' => 'ALLE ZIELE-Weiterempfehlung');

        // Mail versenden
        $this->sendMail($mail);

        // View verarbeiten
        $this->render('empfehlen-success');
    }

    /**
     * Sends an email using the application configuration
     *
     * @param $mail  array mail settings
     */
    public function sendMail($mail)
    {
        $this->loadConfig();

        $map = array('from' => 'sender', 'from_name' => '', 'to' => 'receiver', 'to_name' => '');
        foreach ($map as $config => $default) {
            if (!isset($mail[$config])) {
                $mail[$config] = $default !== '' ? $this->mailConfig[$default] : $default;
            }
        }

        $mailKeys = array('body', 'from', 'from_name', 'to', 'to_name', 'subject');
        $this->checkConfig($mail, $mailKeys);

        $transport = new Zend_Mail_Transport_Smtp($this->mailConfig['server'], $this->mailConfig['credential']);

        $mailObj = new Zend_Mail();
        $mailObj->setBodyText($mail['body'])
            ->setFrom($mail['from'], $mail['from_name'])
            ->addTo($mail['to'], $mail['to_name'])
            ->setSubject($mail['subject'])
            ->send($transport);
    }


    /**
     * Load Mail configuration section from application.ini
     * and verify all required settings are present
     */
    private function loadConfig()
    {
        $options = $this->getInvokeArg('bootstrap')->getOptions();
        if (!($options && isset($options['mail']))) {
            die ('Configuration section mail is missing.');
        }
        $config = $options['mail'];

        $configKeys = array('server', 'credential' => array('auth', 'username', 'password'), 'sender', 'receiver');
        $this->checkConfig($config, $configKeys);

        $this->mailConfig = $config;
    }

    /**
     * Test configuration array against the required array keys
     *
     * @param $config   Configuration array
     * @param $required Required array keys
     */
    private function checkConfig($config, $required)
    {
        if (!is_array($config) || !is_array($required)) {
            die('Missing Parameter');
        }
        foreach ($required as $key => $sub) {
            if (is_numeric($key)) {
                unset($required[$key]);
                $required[$sub] = '';
            }
        }

        if (($missing = array_diff_key($required, $config)) && count($missing) > 0) {
            die('Configuration Keys ' . implode(', ', array_keys($missing)) . ' are missing.');
        }

        foreach ($required as $key => $subkeys) {
            if (is_array($subkeys)) {
                $this->checkConfig($config[$key], $subkeys);
            }
        }
    }
}