<?php

/**
 * 举报
 *
 * @author jinlong.panjl <jinlong.panjl@aliyun-inc.com>
 * @copyright 2003-2103 phpwind.com
 * @license http://www.phpwind.com
 * @version $Id$
 * @package wind
 */
class PwReportService {

	const REPORT_TYPE_THREAD = 1;
	const REPORT_TYPE_POST = 2;
	const REPORT_TYPE_MESSAGE = 3;
	const REPORT_TYPE_PHOTO = 4;
	
	/**
	 * 获取举报列表
	 * 
	 * @param int $ifcheck
	 * @param string $type
	 * @param int $limit
	 * @param int $start
	 * @return array
	 */
	public function getReceiverList($ifcheck, $type, $limit, $start){
		$reposts = $this->_getReportDs()->getListByType($ifcheck, $type, $limit, $start);
		if (!$reposts) return array();
		$uids = $pids = $tmpArray = array();
		foreach ($reposts as $v) {
			$uids[] = $v['author_userid'];
			$uids[] = $v['created_userid'];
			$uids[] = $v['operate_userid'];
		}
		$users = $this->_getUserDs()->fetchUserByUid($uids);
		$reportType = $this->getTypeName();
		foreach ($reposts as $v) {
			$v['typeName'] = $reportType[$v['type']];
			$v['author_username'] = $users[$v['author_userid']]['username'];
			$v['created_username'] = $users[$v['created_userid']]['username'];
			$v['operate_username'] = $users[$v['operate_userid']]['username'];
			$tmpArray[] = $v;
		}
		return $tmpArray;
	}

	/**
	 * 发送举报
	 * 
	 * @param string $type
	 * @param int $type_id
	 * @param string $reason
	 * @return bool
	 */
	public function sendReport($type, $type_id, $reason){
		$action = $this->_getReportAction($type);
		if (!$action) return new PwError('REPORT:type.undefined');
		$typeId = $this->_getTypeId($type);
		$loginUser = Wekit::getLoginUser();
		$dm = $action->buildDm($type_id);
		if (!$dm) return new PwError('REPORT:data.error');
		$dm->setType($typeId)
			->setTypeId($type_id)
			->setCreatedUserid($loginUser->uid)
			->setCreatedTime(Pw::getTime())
			->setReason($reason);

		$result = $this->_getReportDs()->addReport($dm);
		if ($result instanceof PwError) return $result;
		// 发通知
		return $this->sendNotice($dm->getData());
	}
	
	protected function _getReportAction($type){
		if (!$type) return null;
		$type = strtolower($type);
		$className = sprintf('PwReport%s', ucfirst($type));
		if (class_exists($className,false)) {
			return new $className();
		}
		$fliePath = 'SRV:report.srv.report.'.$className;
		Wind::import($fliePath);
		return new $className();
	}
	
	/**
	 * 发送通知
	 * 
	 * @param array $data
	 * @param int $fid
	 * @param string $hrefUrl
	 * @return array
	 */
	public function sendNotice($data,$extendParams = null) {
		$reportType = array_flip($this->getTypeMap());
		$type = $reportType[$data['type']];
		$receivers = $this->getReceiver($type);
				
		if (!$receivers) return false;
		if (!$extendParams) {
			$uids = array($data['author_userid'],$data['created_userid']);
			$users = $this->_getUserDs()->fetchUserByUid($uids);
			$extendParams = array(
				'fromUser' => $users[$data['created_userid']]['username'],
				'fromUserId' => $users[$data['created_userid']]['uid'],
				'username' => $users[$data['author_userid']]['username'],
				'authorId' => $users[$data['author_userid']]['uid'],
				'content' => $data['content'],
				'type'	=> $data['type'],
				'type_id'	=> $data['type_id'],
				'hrefUrl' => $data['content_url'],
				'reason' => $data['reason'],
			); 
		}
		$notice = Wekit::load('message.srv.PwNoticeService');
		foreach ($receivers as $uid) {
			$notice->sendNotice($uid,'report_'.$type,$data['type_id'],$extendParams);
		}
		return true;
	}
	
	/**
	 * 获取举报消息发送对象
	 * 
	 * @param int $fid
	 * @return array
	 */
	private function getReceiver($type) {
		$_maxUids = 30;
		$receivers = $this->_getReportDs()->getNoticeReceiver();
		$count = count($receivers);
		if ($count > $_maxUids) {
			return array_slice(array_unique($receivers), 0, $_maxUids);
		}
		$action = $this->_getReportAction($type);
		$users = $action->getExtendReceiver();
		$toUsers = array_merge($receivers,$users);
		return array_slice(array_unique($toUsers), 0, $_maxUids);
	}
	
	/**
	 * 获取举报类型
	 * 
	 * @return array
	 */
	public function getTypeMap() {
		return array(
			'thread' => self::REPORT_TYPE_THREAD,
			'post'	 => self::REPORT_TYPE_POST,
			'message'=> self::REPORT_TYPE_MESSAGE,
			'photo' => self::REPORT_TYPE_PHOTO
		);
	}
	
	/**
	 * 获取举报类型名称
	 * 
	 * @return array
	 */
	public function getTypeName() {
		return array(
			self::REPORT_TYPE_THREAD => '帖子',
			self::REPORT_TYPE_POST => '回复',
			self::REPORT_TYPE_MESSAGE => '消息',
			self::REPORT_TYPE_PHOTO => '照片'
		);
	}
	
	private function _getTypeId($typeName){
		$types = $this->getTypeMap();
		if (!isset($types[$typeName])) return false;
		return $types[$typeName];
	}
	
	/**
	 * @return PwUser
	 */
	protected function _getUserDs(){
		return Wekit::load('user.PwUser');
	}
	
	/**
	 * @return PwReport
	 */
	protected function _getReportDs(){
		return Wekit::load('report.PwReport');
	}
}

