<?php

/**
 * @method App_News_Obj _getDataObj()
 */

class App_News_View extends Qs_ViewController implements App_SideBlock_Item_Interface
{
    const SMALL_LIST_IPP = 3;
    const DEFAULT_IMAGE_WIDTH = 250;
    const DEFAULT_IMAGE_HEIGHT = 188;
    const DEFAULT_IMAGE_RESIZE_METHOD_ALIAS = 'cc';

    protected $_actions = array('list', 'view', 'feed');
    protected $_hasFilter = false;
    protected $_logIgnoredControllers = array('App_Cms_View');
    protected $_listTemplate = 'list.tpl';
    protected $_listTitle;
    protected $_listIpp = null;
    protected $_viewAlias = null;

    public function preDispatch(&$items)
    {
        $this->_initApplication();
        $this->_initAction();
        if ($this->_action == 'view') {
            $htmlBlockIndex = null;
            foreach ($items as $index => $item) {
                if ($item['type'] == 'HtmlBlock_') {
                    $htmlBlockIndex = $index;
                    break;
                }
            }
            if (null !== $htmlBlockIndex) {
                unset($items[$htmlBlockIndex]);
            }
        }

        return $this;
    }

    public function exec()
    {
        if (App_News_Form_Config::TYPE_FEATURED == $this->getConfig('type')
            && true !== $this->getConfig('hasFeatured')
        ) {
            return $this;
        }
        $this->_initApplication();
        return parent::exec();
    }

    protected function _initApplication()
    {
        switch ($this->getConfig('type')) {
            case App_News_Form_Config::TYPE_FEATURED:
                $this->_getDataObj()->setFilter(array('featured' => 'y'));
                $this->_listTitle = 'Last News & Events';
                $this->_listTemplate = 'featured-list.tpl';
                $this->_getList()->setIsDisabledLimit(true);
                break;
            case App_News_Form_Config::TYPE_SMALL:
                $this->_listTemplate = 'small-list.tpl';
                $this->_listTitle = 'Last News & Events';
                $this->_listIpp = self::SMALL_LIST_IPP;
                $this->_getDataObj()->getListSelect()->limit(self::SMALL_LIST_IPP);
                $this->_getList()->setIsDisabledLimit(true);
                break;
            default:
                $params = $this->getRestParams();
                $paramsCount = count($params);
                if (0 === $paramsCount) {
                    $this->_defaultAction = reset($this->_actions);
                } elseif (1 === $paramsCount) {
                    if ('feed' == $params[0]) {
                        $this->_defaultAction = 'feed';
                    } elseif (is_numeric($params[0])) {
                        $this->_getDataObj()->setPrimaryKey($params[0]);
                        $this->_defaultAction = 'view';
                    } else {
                        $this->_doc->display404();
                    }
                } else {
                    $this->_doc->display404();
                }
                break;
        }
        return $this;
    }

    protected function _addListItem($list = null)
    {
        $this->_addFeedLink();
        if (!empty($this->_listIpp)) {
            if (null == $list) {
               $list = $this->_getList();
            }
            $list->setIpp($this->_listIpp);
        }
        $item = $this->_getListItem($list);
        $item['viewAlias'] = $this->_getViewAlias();
        $item['title'] = $this->_listTitle;
        $this->_addLinksItem();
        $item['tpl'] = $this->getTemplate($this->_listTemplate);
        $this->_addItem($item);
        return $this;
    }

    protected function _doView()
    {
        $item = $this->_getDataObj()->getData();
        if (empty($item) || (array_key_exists('enabled', $item) && 'y' != $item['enabled'])) {
            $this->_doc->display404();
        }
        $this->_addFeedLink();

        $this->_doc->setKeywords($item['metaKeywords']);
        $this->_doc->setDescription($item['metaDescription']);

        $item['tpl'] = $this->getTemplate('view.tpl');

        $item['backUrl'] = $this->_getBackUrl(CURRENT_PAGE_FINAL);
        if ($item['backUrl'] == '') {
            $item['backUrl'] = CURRENT_PAGE_FINAL;
        }

        $item['imageConfig'] = $this->_getImageConfig();

        $this->_addItem($item);

        Qs_Navigation::append(array('title' => $item['title'], 'url' => $item['backUrl'] . '/' . $item['id']));

        $this->_postView();

        return $this;
    }

    protected function _getImageConfig()
    {
        $config = array();
        $config['hasImage'] = (bool) $this->getConfig('hasImage');

        if ($config['hasImage']) {
            $config = array_merge($config, (array) $this->getConfig('image')->toArray());

            if (empty($config['width'])) {
                $config['width'] = self::DEFAULT_IMAGE_WIDTH;
            }

            if (empty($config['height'])) {
                $config['height'] = self::DEFAULT_IMAGE_HEIGHT;
            }

            if (empty($config['resizeMethodAlias'])) {
                $config['resizeMethodAlias'] = self::DEFAULT_IMAGE_RESIZE_METHOD_ALIAS;
            }

            $config['resizeMethod'] = Qs_ImageFs::getResizeMethod($config['resizeMethodAlias']);
        }

        return $config;
    }

    protected function _getBackUrl($sessionName = null)
    {
        if (is_null($sessionName)){
            $sessionName = CURRENT_PAGE;
        }
        $session = new Qs_Session_Namespace($sessionName);
        if (isset($session->backUrl)) {
            return $session->backUrl;
        }
        return '';
    }

    protected function _doFeed()
    {
        $feed = Zend_Feed::importArray($this->_getDataObj()->getFeedData(), 'rss');
        $feed->send();
        exit();
    }

    public function writeXmlSitemap(App_Sitemap_Xml_Writer $xml)
    {
        if (App_News_Form_Config::TYPE_DEFAULT != $this->getConfig('type', App_News_Form_Config::TYPE_DEFAULT)) {
            return $this;
        }
        $stmt = $this->_getDataObj()->getListStatement4XmlSitemap();

        $pageUrl = ('y' == $this->_doc->getOption('isSecure')) ? BASE_URL_HTTPS : BASE_URL_HTTP;
        $pageUrl .= '/' . $this->_doc->getOption('fullAlias');

        while ($item = $stmt->fetch()) {
            $xml->writeUrl($pageUrl . '/' . $item['id']);
        }
        return $this;
    }

    protected function _getViewAlias()
    {
        if (null == $this->_viewAlias) {
            $this->_viewAlias = Qs_SiteMap::find(
                null,
                array('type' => 'News_'),
                array('type' => 'default'),
                'fullAlias'
            );
        }
        return $this->_viewAlias;
    }

    protected function _addFeedLink()
    {
        $this->_doc->addStyleSheet (
            BASE_URL_LANGUAGE . '/' . $this->_getViewAlias() . '/feed',
            array (
                'type'  => 'application/rss+xml',
                'rel'   => 'alternate',
                'title' => SITE_NAME
            )
        );
    }

    public function getSideBlockItem(array $blockData = array())
    {
        if (App_News_Form_Config::TYPE_FEATURED == $this->getConfig('type')
            && true !== $this->getConfig('hasFeatured')
        ) {
            return null;
        }

        $this->_initApplication();
        $item = $this->_getListItem();
        $item['viewAlias'] = $this->_getViewAlias();
        if (!empty($item['list'])) {
            $item['tpl'] = $this->getTemplate($this->_listTemplate);
            $this->_addFeedLink();
            return $item;
        }

        return null;
    }
}