<?php
/**
 * @version $Id: controller.php
 * @package ImageAds
 * @author Andrey Sokolnikov <aasfalcon@gmail.com>
 * @copyright (C) 2011 Emergination, LLC. All rights reserved.
 * @license http://www.gnu.org/licenses/gpl-3.0.html GNU/GPL
 */

// no direct access
defined('_JEXEC') or die('Restricted access');

// parent class
jimport('joomla.application.component.controller');

/**
 * Admin controller
 * 
 * @package ImageAds
 */
class imageadsControllerAdmin extends JController
{
	/**
	 * List of request IDs
	 * 
	 * @access private
	 * @var array
	 */
	var $_cid;
	
	/**
	 * Constructor
	 *
	 * @access public
	 * @param array $default
	 */
	function __construct($default = array())
	{
		parent::__construct($default);
		$this->_cid = JRequest::getVar('cid', array(0));
		JArrayHelper::toInteger($this->_cid);
	}

	/**
	 * Show ads list
	 *
	 * @access public
	 */
	function ad()
	{
		JRequest::setVar('view', 'ad');
		$this->display();
	}

	/**
	 * Show ads list
	 *
	 * @access public
	 */
	function ads()
	{
		JRequest::setVar('view', 'ads');
		$this->display();
	}
    
    /**
     * Save and return to editor
     *
     * @access public
     */
    function adApply()
    {
        $this->adSave(true);
    }
    
    /**
     * Approve ad
     *
     * @access public
     */
    function adApprove()
    {
        JRequest::setVar('approved', 1);
        $this->adSave(false, JText::_('COM_IMAGEADS_AD_APPROVED'));
    }

    /**
     * Unapprove ad
     *
     * @access public
     */
    function adReject()
    {
        JRequest::setVar('approved', 0);
        $this->adSave(false, JText::_('COM_IMAGEADS_AD_REJECTED'));
    }

    /**
     * Save edited ad
     *
     * @access public
     * @param bool $apply True returns to editor, false (default) to list
     * @param null $success_message Message to show on success
     */
	function adSave($apply = false, $success_message = null)
  {
    $params = JComponentHelper::getParams(IA_OPTION);
      
		// check the form token
		JRequest::checkToken() or die('Invalid token');
        
		$model = $this->getModel('Ad');
        $model->setId(JRequest::getInt('id'));
        $ad = &$model->getAd();

        // remember approved status change
        $being_approved = !$ad->approved && JRequest::getInt('approved');
        $being_rejected = $ad->approved && !JRequest::getInt('approved');

        // save the ad
		    $success = $model->saveAd(JRequest::get('post', JREQUEST_ALLOWHTML));

        $message = $success_message ?
        $success_message : JText::_('COM_IMAGEADS_AD_SAVED');
        
        $list_url = 'index.php?option='.IA_OPTION;
        $record_url = $list_url . '&task=ad&cid[]='.$ad->id;
        
        if ($success) {
            // use frontend helper for upload
            $lang = &JFactory::getLanguage();
            $lang->load(IA_OPTION, JPATH_SITE);
			require_once JPATH_COMPONENT_SITE.DS.'classes'.DS.'helper.php';

            $file = JRequest::getVar('image', null, 'files');

            if (!$file['error']) {
                // process uploaded file
                $result = imageadsHelper::uploadImage($file, $ad, true);

                // redirect with error message on error
                if (!$result['success']) {
                    $this->setRedirect($record_url, $result['message'], 'error');
                    return;
                }
            }
        } else {
            $message = sprintf(JText::_('COM_IMAGEADS_AD_SAVE_ERROR'), $ad->getError());
        }

        // disallow approval of ads without image
        if ($being_approved && !$ad->image_filename) {
            $being_approved = false;
            JRequest::setVar('approved', $ad->approved, 'post');
            JError::raiseWarning(500, JText::_('COM_IMAGEADS_CANT_APPROVE'));
            $success_message = null;
        }

        // send approve/reject information email to the ad owner
        if ($success && ($being_approved || $being_rejected)) {
            // subject and body
            $subject = $being_approved ?
                sprintf( JText::_('COM_IMAGEADS_MAIL_APPROVED_SUBJECT'), $params->get('site_name') ) :
                sprintf( JText::_('COM_IMAGEADS_MAIL_REJECTED_SUBJECT'), $params->get('site_name') );
            $body = $being_approved ?
                sprintf( JText::_('COM_IMAGEADS_MAIL_APPROVED_BODY'), $ad->display_url, $params->get('admin_email') ) :
                sprintf( JText::_('COM_IMAGEADS_MAIL_REJECTED_BODY'), $ad->display_url, $params->get('admin_email') );

            // to
            $user = JFactory::getUser($ad->user_id);

            // from
            $config =& JFactory::getConfig();
            $sender = array(
                $config->getValue( 'config.mailfrom' ),
                $config->getValue( 'config.fromname' ),
            );

            // send the message
            $mailer = JFactory::getMailer();
            $mailer->setSender($sender);
            $mailer->addRecipient($user->email);
            $mailer->setSubject($subject);
            $mailer->setBody($body);
            
            if (!$mailer->send()) {
                JError::raiseWarning(500, JText::_('COM_IMAGEADS_MAIL_FAILED'));
            }
        }
        
        // Clean cache
        $cache = &JFactory::getCache('mod_imageads');
        $cache->clean();

        // redirect
        $return_url = $apply || !$success ? $record_url : $list_url;
        $this->setRedirect($return_url, $message,
            $success ? 'message' : 'error');
	}
    
	/**
	 * Show configuration screen
	 * 
	 * @access public
	 */
	function config() {
		JRequest::setVar('tmpl', 'component'); //force the component template
		JRequest::setVar('view', 'config');
		$this->display();
	}
	
	/**
	 * Save component configuration
	 * 
	 * @access public
	 */
	function configSave()
    {
		// check the form token
		JRequest::checkToken() or die('Invalid token');
		
		$model = $this->getModel('Config');
		$model->saveParams(JRequest::get('post', JREQUEST_ALLOWHTML));
		$this->config();
	}
    
	/**
	 * Overriden display method
	 * 
	 * @param bool $cacheable
	 */
	function display($cacheable = false)
    {
        // load admin styleshit
		JHTML::_('stylesheet', 'admin.css', IA_URI_ASSETS_ADMIN . 'css/');
		parent::display($cacheable);
        
        if (JRequest::getCmd('task') != 'config')
        {
            // display component version
            echo '<div class="ia_version">'.IA_VERSION_INFO."</div>";
        }
	}
}