<?php

/**
 * @method App_SideBlock_Obj _getDataObj()
 */
class App_SideBlock_View extends Qs_ViewController
{
    public static $pageTypeTitles = array(
        App_SideBlock_Obj::PAGE_ALL    => 'All Pages',
        App_SideBlock_Obj::PAGE_CUSTOM => 'Custom Pages'
    );
    public static $linkTypeTitles = array(
        App_SideBlock_Obj::LINK_NONE => 'None',
        App_SideBlock_Obj::LINK_URL  => 'Url',
        App_SideBlock_Obj::LINK_PAGE => 'Site Page',
    );

    public static $blockTypeTitles = array(
        App_SideBlock_Obj::TYPE_HTML                    => 'Html',
        App_SideBlock_Obj::TYPE_RECENT_NEWS             => 'Recent News',
//        App_SideBlock_Obj::TYPE_NEWSLETTERS             => 'Newsletters',
        App_SideBlock_Obj::TYPE_CONTACT_FORM            => 'Contact Form',
        App_SideBlock_Obj::TYPE_VOLUNTEER_OPPORTUNITIES => 'Volunteer Opportunities',
        App_SideBlock_Obj::TYPE_UPCOMING_EVENTS         => 'Upcoming Events',

    );

    /**
     * Additional block handlers should implement App_SideBlock_Item_Interface
     * @var array Type Title => Class Name
     */
    public static $blockTypes = array(
        App_SideBlock_Obj::TYPE_RECENT_NEWS             => 'App_News_View',
//        App_SideBlock_Obj::TYPE_NEWSLETTERS             => 'App_Newsletter_View',
        App_SideBlock_Obj::TYPE_CONTACT_FORM            => 'App_Form_Contact_View',
        App_SideBlock_Obj::TYPE_VOLUNTEER_OPPORTUNITIES => 'App_Volunteer_View',
        App_SideBlock_Obj::TYPE_UPCOMING_EVENTS         => '\\App\\Event\\Upcoming\\View',
    );

    protected $_actions = array('list');
    protected $_listOptions = array('defaultOrderBy' => 'id', 'isDisabledLimit' => true);
    protected $_externalItems = array();
    protected $_itemsGroup = 'RIGHT_ITEMS';

    public function exec()
    {
        $this->_getDataObj()->setIdPage($this->_doc->getOption('id'));
        return parent::exec();
    }

    protected function _doList()
    {
        $this->_addListItem();
        $this->_postList();
        return $this;
    }

    protected function _getListItem($list = null)
    {
        $item = parent::_getListItem($list);
        $this->_prepareExternalItems($item);

        if (Qs_Constant::get('DEBUG')) {
            Zend_Registry::set('_pageSideBlocks', $item['list']);
        }

        return ($item['list']) ? $item : null;
    }

    protected function _addListItem($list = null)
    {
        if (($item = $this->_getListItem($list))) {
            $this->_doc->addItem($item, $this->_itemsGroup);
        }
        return $this;
    }
    
    public function setIdPage($id)
    {
        $this->_getDataObj()->setIdPage($id);
        return $this;
    }
    
    public function getItem()
    {
        return $this->_getListItem();
    }

    protected function _prepareExternalItems(&$item)
    {
        foreach ($item['list'] as &$block) {
            $blockType = $block['blockType'];
            if (App_SideBlock_Obj::TYPE_HTML !== $blockType
                && array_key_exists($blockType, App_SideBlock_View::$blockTypes)
            ) {
                $block['externalItem'] = $this->_getExternalItem($block);
            }
        }
        unset($block);

        foreach ($item['list'] as $key => $block) {
            if (array_key_exists('externalItem', $block) && empty($block['externalItem'])) {
                unset($item['list'][$key]);
            }
        }

        return $this;
    }

    protected function _getExternalItem($block)
    {
        $blockType = $block['blockType'];
        if (!isset($this->_externalItems[$blockType])) {
            $itemClass = App_SideBlock_View::$blockTypes[$blockType];
            $options = $this->_getExternalItemOptions($blockType);
            /** @var $view Qs_ViewController|App_SideBlock_Item_Interface */
            $view = new $itemClass($options);
            if (!method_exists($view, 'getSideBlockItem')) {
                throw new Qs_Exception('Method ' . $itemClass . '::getSideBlockItem() is undefined');
            }
            $view->setDoc($this->_doc);
            $item = $view->getSideBlockItem($block);
            if (!empty($item)) {
                $this->_externalItems[$blockType] = new Qs_Doc_Item($item);
            } else {
                $this->_externalItems[$blockType] = null;
            }
        }
        return $this->_externalItems[$blockType];
    }

    protected function _getExternalItemOptions($blockType)
    {
        $options = array();
        switch ($blockType) {
            case App_SideBlock_Obj::TYPE_RECENT_NEWS:
                $options['config'] = array('type' => 'small');
                break;

//            case App_SideBlock_Obj::TYPE_NEWSLETTERS:
//                $options['config'] = array('type' => 'small');
//                break;

            case App_SideBlock_Obj::TYPE_VOLUNTEER_OPPORTUNITIES:
                $options['config'] = array('type' => 'small');
                break;
        }
        return $options;
    }
}