<?php

/**
 * @method App_News_Obj _getDataObj()
 */
class App_News_View extends Qs_ViewController implements App_Doc_SideBlockItemInterface
{
    const SMALL_LIST_IPP                    = 3;
    const DEFAULT_IMAGE_WIDTH               = 250;
    const DEFAULT_IMAGE_HEIGHT              = 188;
    const DEFAULT_IMAGE_RESIZE_METHOD_ALIAS = 'cc';

    protected $_actions = ['list', 'view', 'feed'];
    protected $_hasFilter = false;
    protected $_hasLog = true;
    protected $_logIgnoredControllers = ['App_Cms_View'];
    protected $_listTemplate = 'list.tpl';
    protected $_listTitle;
    protected $_listIpp = null;
    protected $_viewAlias = null;

    public function preDispatch(&$items)
    {
        if (App_News_Form_Config::TYPE_DEFAULT == $this->getConfig('type') && null != $this->_restAlias) {
            $htmlBlockIndex = null;
            foreach ($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(['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';
                    } else {
                        $this->_getDataObj()->setPrimaryKeyByAlias($params[0]);
                        $this->_defaultAction = 'view';
                    }
                } else {
                    $this->_doc->display404();
                }
                break;
        }
        return $this;
    }

    protected function _getListOptions()
    {
        $options = parent::_getListOptions();
        if (!empty($this->_listIpp)) {
            $options['ipp'] = $this->_listIpp;
            $options['viewAlias'] = $this->_getViewAlias();
            $options['title'] = $this->_listTitle;
            $options['listTemplate'] = $this->_listTemplate;
        }
        return $options;
    }

    protected function _addListItem()
    {
        $this->_addFeedLink();
        return parent::_addListItem();
    }

    protected function _prepareViewItem(array &$item)
    {
        $item['backUrl'] = $this->_getViewPage('url');
        return parent::_prepareViewItem($item);
    }

    protected function _initDetailsPage(array $item)
    {
        $this->_addFeedLink();
        Qs_Navigation::append(['title' => $item['title']]);
        return parent::_initDetailsPage($item);
    }

    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 $this;
        }
        return parent::writeDefaultXmlSitemap($xml);
    }

    protected function _getViewPage($field = null, $default = null)
    {
        $page = Qs_SiteMap::findFirst(null, ['type' => 'News_'], ['type' => 'default']);
        return Qs_Array::get($page, $field, $default);
    }

    protected function _getViewAlias()
    {
        if (null == $this->_viewAlias) {
            $this->_viewAlias = $this->_getViewPage('fullAlias');
        }
        return $this->_viewAlias;
    }

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

    public function getSideBlockItem(array $blockData = [])
    {
        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;
    }
}