<?php

/**
 * This software is intended for use with Oxwall Free Community Software http://www.oxwall.org/ and is
 * licensed under The BSD license.

 * ---
 * Copyright (c) 2011, Oxwall Foundation
 * All rights reserved.

 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
 * following conditions are met:
 *
 *  - Redistributions of source code must retain the above copyright notice, this list of conditions and
 *  the following disclaimer.
 *
 *  - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
 *  the following disclaimer in the documentation and/or other materials provided with the distribution.
 *
 *  - Neither the name of the Oxwall Foundation nor the names of its contributors may be used to endorse or promote products
 *  derived from this software without specific prior written permission.

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/**
 *
 *
 * @author Kairat Bakitow <kainisoft@gmail.com>
 * @package ow.plugin.photo.classes
 * @since 1.7.2
 */
class PHOTO_CLASS_ContentProvider
{
    const ENTITY_TYPE = 'photo_comments';
    const CONTENT_GROUP = 'photo';

    private static $classInstance;

    public static function getInstance()
    {
        if ( self::$classInstance === null )
        {
            self::$classInstance = new self();
        }

        return self::$classInstance;
    }

    private $service;

    private function __construct()
    {
        $this->service = PHOTO_BOL_PhotoService::getInstance();
    }
    
    public function onCollectTypes( BASE_CLASS_EventCollector $event )
    {
        $event->add(array(
            'pluginKey' => 'photo',
            'group' => self::CONTENT_GROUP,
            'groupLabel' => OW::getLanguage()->text('photo', 'content_group_label'),
            'entityType' => self::ENTITY_TYPE,
            'entityLabel' => OW::getLanguage()->text('photo', 'content_photo_label'),
            'displayFormat' => 'image_content'
        ));
    }
    
    public function onGetInfo( OW_Event $event )
    {
        $params = $event->getParams();
        
        if ( $params['entityType'] != self::ENTITY_TYPE )
        {
            return;
        }

        $photoDao = PHOTO_BOL_PhotoDao::getInstance();
        $route = OW::getRouter();
        $out = array();

        foreach ( $photoDao->getPhotoListByIdList($params['entityIds']) as $photo )
        {
            $info = array();

            $info['id'] = $photo['id'];
            $info['userId'] = $photo['userId'];
            $info['description'] = $photo['description'];
            $info['url'] = $route->urlForRoute('view_photo', array('id' => $photo['id']));
            $info['timeStamp'] = $photo['addDatetime'];
            $info['image'] = array(
                'thumbnail' => $photoDao->getPhotoUrlByType($photo['id'], PHOTO_BOL_PhotoService::TYPE_SMALL, $photo['hash'], $photo['dimension']),
                'preview' => $photoDao->getPhotoUrlByType($photo['id'], PHOTO_BOL_PhotoService::TYPE_PREVIEW, $photo['hash'], $photo['dimension']),
                'view' => $photoDao->getPhotoUrlByType($photo['id'], PHOTO_BOL_PhotoService::TYPE_MAIN, $photo['hash'], $photo['dimension']),
                'fullsize' => $photoDao->getPhotoUrlByType($photo['id'], PHOTO_BOL_PhotoService::TYPE_FULLSCREEN, $photo['hash'], $photo['dimension'])
            );

            $dimension = json_decode($photo['dimension'], true);
            $info['dimension'] = array(
                'thumbnail' => $dimension['small'],
                'preview' => $dimension['preview'],
                'view' => $dimension['main']
            );

            if ( !empty($dimension['fullscreen']) )
            {
                $info['dimension']['fullsize'] = $dimension['fullscreen'];
            }
            
            $out[$photo['id']] = $info;
        }
                
        $event->setData($out);
        
        return $out;
    }
    
    public function onUpdateInfo( OW_Event $event )
    {
        $params = $event->getParams();
        $data = $event->getData();
        
        if ( $params['entityType'] != self::ENTITY_TYPE )
        {
            return;
        }

        foreach ( $data as $photoId => $info )
        {
            $status = $info['status'] == BOL_ContentService::STATUS_APPROVAL ? PHOTO_BOL_PhotoDao::STATUS_APPROVAL : PHOTO_BOL_PhotoDao::STATUS_APPROVED;

            $photo = $this->service->findPhotoById($photoId);
            $photo->status = $status;

            PHOTO_BOL_PhotoDao::getInstance()->save($photo);

            OW::getEventManager()->trigger(new OW_Event(PHOTO_CLASS_EventHandler::EVENT_ON_PHOTO_CONTENT_UPDATE, array(
                'id' => $photoId
            )));
        }
    }

    public function onDelete( OW_Event $event )
    {
        $params = $event->getParams();
        
        if ( $params['entityType'] != self::ENTITY_TYPE )
        {
            return;
        }
        
        foreach ( $params['entityIds'] as $photoId )
        {
            $this->service->deletePhoto($photoId);
        }
    }

    // Photo events

    public function onBeforePhotoDelete( OW_Event $event )
    {
        $params = $event->getParams();

        OW::getEventManager()->trigger(new OW_Event(BOL_ContentService::EVENT_BEFORE_DELETE, array(
            'entityType' => self::ENTITY_TYPE,
            'entityId' => $params['id']
        )));
    }
    
    public function onAfterPhotoAdd( OW_Event $event )
    {
        foreach ( $event->getParams() as $photo )
        {
            OW::getEventManager()->trigger(new OW_Event(BOL_ContentService::EVENT_AFTER_ADD, array(
                'entityType' => self::ENTITY_TYPE,
                'entityId' => $photo['photoId'],
                'silent' => !empty($photo["silent"])
            ), array(
                'string' => array('key' => 'photo+content_add_string')
            )));
        }
    }
    
    public function onAfterPhotoEdit( OW_Event $event )
    {
        $params = $event->getParams();

        OW::getEventManager()->trigger(new OW_Event(BOL_ContentService::EVENT_AFTER_CHANGE, array(
            'entityType' => self::ENTITY_TYPE,
            'entityId' => $params['id']
        ), array(
            'string' => array('key' => 'photo+content_edited_string')
        )));
    }
    
    public function init()
    {
        OW::getEventManager()->bind(PHOTO_CLASS_EventHandler::EVENT_BEFORE_PHOTO_DELETE, array($this, 'onBeforePhotoDelete'));
        OW::getEventManager()->bind(PHOTO_CLASS_EventHandler::EVENT_ON_PHOTO_ADD, array($this, 'onAfterPhotoAdd'));
        OW::getEventManager()->bind(PHOTO_CLASS_EventHandler::EVENT_ON_PHOTO_EDIT, array($this, 'onAfterPhotoEdit'));
        
        OW::getEventManager()->bind(BOL_ContentService::EVENT_COLLECT_TYPES, array($this, 'onCollectTypes'));
        OW::getEventManager()->bind(BOL_ContentService::EVENT_GET_INFO, array($this, 'onGetInfo'));
        OW::getEventManager()->bind(BOL_ContentService::EVENT_UPDATE_INFO, array($this, 'onUpdateInfo'));
        OW::getEventManager()->bind(BOL_ContentService::EVENT_DELETE, array($this, 'onDelete'));
    }
}
