<?php
	
	/**
	 * @Author: fm453
	 * @Date:   2019-04-27 22:19:28
	 * @Last Modified by:   fm453
	 * @Last Modified time: 2019-04-27 22:28:12
	 */
	
	/**
	 * 利用workerman制作的推送接口控制器(演示版，默认针对vcms的fm453_*系列应用)
	 */
	
	namespace frontend\controllers;
	
	use Yii;
	use yii\web\Controller;
	
	use dataModel;
	
	//必须添加这一句，以便引入dataModel外部类库

// 引用GateWay Client
	require(__DIR__ . '/../../vendor/workerman/GatewayClient-3.0.0/Gateway.php');

// GatewayClient 3.0.0版本开始要使用命名空间
	use GatewayClient\Gateway;

// 设置GatewayWorker服务的Register服务ip和端口
	Gateway::$registerAddress = '127.0.0.1:4530';
	
	class PushController extends Controller
	{
		public $enableCsrfValidation = FALSE;//取消对POST数据的csrf令牌验证
		
		/**
		 * 绑定客户端与指定客户id\分组id
		 */
		public function actionBind()
		{
			global $_FM;
			//数据取出方法
			$dataGet = $_FM['get'];    //GET进来的参数
			$dataPost = $_FM['post'];    //POST进来的参数
			$data = array();
			header('Access-Control-Allow-Origin:*');    //允许任何网站通过ajax发送请求
			require dirname(__FILE__) . '/_public/plat.php';
			
			$group_pre = 'VCMS-IMMS';
			
			//前台已经建立起长链接，取得了客户端ID号；需要绑定到当前用户，并返回用户uid，供服务侧同步绑定校验
			$viaDomain = fmFunc_server_via_domain();    //来路域名
			$viaIP = fmFunc_server_via_ip();    //来路IP
			$timestamp = isset($_FM['timestamp']) ? $_FM['timestamp'] : time();
			
			//通过前端GET传入的
			$client_id = isset($dataGet['client_id']) ? $dataGet['client_id'] : 0;
			$accessToken = isset($dataGet['accesstoken']) ? $dataGet['accesstoken'] : 0;
			
			//判断accesstoken有效性
			/*
			@有效性规则判断
			*Yii::$app->user->identity->username,Yii::$app->user->identity->id	当前用户账号及id
			*domain 域名匹配
			*expiretime 有效期判断
			*$_FM['apiCert'] 服务器证书
			*/
			$connection = yii::$app->db;
			$sql = "SELECT `username` FROM c_access WHERE accesstoken = :accesstoken AND domain = :domain AND expiretime > :expiretime ORDER BY id ASC";
			$params = array();
			$params[':accesstoken'] = $accessToken;
			$params[':domain'] = $viaDomain;
			$params[':expiretime'] = $timestamp;
			$result = fmFunc_pdo_yii_fetch($connection, $sql, $params);
			if ($result) {
				$username = $result['username'];
				//加载证书文件,但无用户登陆状态
				$cert = $username . '.php';
				if (file_exists($_HI['apiCertPath'] . $cert)) {
					$_FM['apiCert'] = array_merge(include($_HI['apiCertPath'] . $cert));
				}
			}
			$_FM['apiCert']['token'] = $accessToken;
			
			//处理POST数据
			$client_type = isset($dataPost['client_type']) ? $dataPost['client_type'] : 'undefined';
			$isWeb = ($client_type == 'web') ? TRUE : FALSE;
			$isApp = ($client_type == 'app') ? TRUE : FALSE;
			$isAppWeb = ($client_type == 'appweb') ? TRUE : FALSE;
			
			$group_ids = array();
			
			//根据当前用户身份生成可准确识别的用户ID
			$uid = isset($dataPost['uid']) ? $dataPost['uid'] : 'undefined';
			$uid = fmFunc_server_hash_id($uid);
			
			$group_id = isset($dataPost['groupid']) ? $dataPost['groupid'] : 0;
			$group_id = $group_pre . fmFunc_server_hash_id($group_id);
			$group_ids[$group_id] = $group_id;
			// client_id与uid绑定
			Gateway::bindUid($client_id, $uid);
			// 加入某个群组（可调用多次加入多个群组）
			Gateway::joinGroup($client_id, $group_id);    //当前用户所在的会员组
			
			//继续根据创建更多分组
			$do = isset($dataPost['do']) ? $dataPost['do'] : 'undefined';
			$ac = isset($dataPost['ac']) ? $dataPost['ac'] : 'undefined';
			$op = isset($dataPost['op']) ? $dataPost['op'] : 'undefined';
			
			if ($isWeb) {
				$type = 'web';
				$group_id = $type . '_' . $do . '_' . $ac . '_' . $op;
				$group_id = $group_pre . $group_pre . fmFunc_server_hash_id($group_id);
				$group_ids[$group_id] = $group_id;
				Gateway::joinGroup($client_id, $group_id);
				
				$group_id = $type . '_' . $do . '_' . $ac;
				$group_id = $group_pre . fmFunc_server_hash_id($group_id);
				$group_ids[$group_id] = $group_id;
				Gateway::joinGroup($client_id, $group_id);
				
				$group_id = $type . '_' . $do;
				$group_id = $group_pre . fmFunc_server_hash_id($group_id);
				$group_ids[$group_id] = $group_id;
				Gateway::joinGroup($client_id, $group_id);
				
			} else {
				$type = 'app';
				$group_id = $type . '_' . $do . '_' . $ac . '_' . $op;
				$group_id = $group_pre . fmFunc_server_hash_id($group_id);
				$group_ids[$group_id] = $group_id;
				Gateway::joinGroup($client_id, $group_id);
				
				$group_id = $type . '_' . $do . '_' . $ac;
				$group_id = $group_pre . fmFunc_server_hash_id($group_id);
				$group_ids[$group_id] = $group_id;
				Gateway::joinGroup($client_id, $group_id);
				
				$group_id = $type . '_' . $do;
				$group_id = $group_pre . fmFunc_server_hash_id($group_id);
				$group_ids[$group_id] = $group_id;
				Gateway::joinGroup($client_id, $group_id);
				
				$group_id = $type;
				$group_id = $group_pre . fmFunc_server_hash_id($group_id);
				$group_ids[$group_id] = $group_id;
				Gateway::joinGroup($client_id, $group_id);    //当前用户并入前台用户组
				
				if ($isAppWeb) {
					$type = 'appweb';
					$group_id = $type;
					$group_id = $group_pre . fmFunc_server_hash_id($group_id);
					$group_ids[$group_id] = $group_id;
					Gateway::joinGroup($client_id, $group_id);    //当前用户并入前台核销用户组
				}
			}
			
			//发送反馈消息
			$message = array();
			$message = '棒，客户端绑定成功！';
			
			$data = array();
			$data['type'] = 'tips';
			$data['msg'] = $message;
			$data['groupids'] = $group_ids;
			$data = json_encode($data);
			Gateway::sendToClient($client_id, $data);
			return;
		}
		
		/**
		 * 接收客户端数据
		 */
		public function actionIn()
		{
			$group_pre = 'VCMS-IMMS';
			header('Access-Control-Allow-Origin:*');    //允许任何网站通过ajax发送请求
			// 建立socket连接到内部推送端口
			$client = stream_socket_client('tcp://127.0.0.1:4530');
			
			//如果用户已经登陆,uid和群组id存在
			//TBD 构建uid、group_id的生成方式
			$uid = isset($dataPost['uid']) ? $dataPost['uid'] : 0;
			$group_id = isset($dataPost['group']) ? $dataPost['group'] : 0;
			
			//$client_id 通过前端传入
			$client_id = isset($dataGet['client_id']) ? $dataGet['client_id'] : 0;
			
			// 推送的数据，包含uid字段，表示是给这个uid推送
			$uid = isset(Yii::$app->user->identity->username) ? Yii::$app->user->identity->username : '0';
			$data = array('uid' => $uid, 'msg' => urlencode('嗯，这个是测试用的'));
			
			// 发送数据，注意该端口是Text协议的端口，Text协议需要在数据末尾加上换行符
			fwrite($client, json_encode($data) . "\n");
			
			// 读取推送结果
			// echo '$client=='.$client;
			//echo fread($client, 8192);
		}
		
		/**
		 * 向客户端推送消息
		 */
		public function actionOut()
		{
			global $_FM;
			//数据取出方法
			$dataGet = $_FM['get'];    //GET进来的参数
			$dataPost = $_FM['post'];    //POST进来的参数
			$params = Yii::$app->params;
			header('Access-Control-Allow-Origin:*');    //允许任何网站通过ajax发送请求
			require dirname(__FILE__) . '/_public/plat.php';
			
			$group_pre = 'VCMS-IMMS';
			
			/*设置REDIS缓存*/
			//初始化$cache = new \Redis();
			$cache = new \Redis();
			$cache->connect($params['redis']['IP'], $params['redis']['PORT']);
			// 先检查是否存在，然后写入并设置有效时间
			$key = 'FmWebSorcketCount';
			$CACHE_PREFIX = 'DACMS';
			$count = 0;
			if ($cache->exists($CACHE_PREFIX . $key)) {
				// 读取
				$count = $cache->get($CACHE_PREFIX . $key);
				//清除
				$cache->delete($CACHE_PREFIX . $key);
			}
			
			$cache->set($CACHE_PREFIX . $key, $count + 1);
			$expire = time() + 604800;    //一周时间再过期
			$cache->expire($CACHE_PREFIX . $key, $expire);
			
			//前台已经建立起长链接，取得了客户端ID号；需要绑定到当前用户，并返回用户uid，供服务侧同步绑定校验
			$viaDomain = fmFunc_server_via_domain();    //来路域名
			$viaIP = fmFunc_server_via_ip();    //来路IP
			$timestamp = isset($_FM['timestamp']) ? $_FM['timestamp'] : time();
			
			//通过前端GET传入的
			$client_id = isset($dataGet['client_id']) ? $dataGet['client_id'] : '7f000001b0f400000010';
			$accessToken = isset($dataGet['accesstoken']) ? $dataGet['accesstoken'] : 0;
			
			//判断accesstoken有效性
			/*
			@有效性规则判断
			*Yii::$app->user->identity->username,Yii::$app->user->identity->id	当前用户账号及id
			*domain 域名匹配
			*expiretime 有效期判断
			*$_FM['apiCert'] 服务器证书
			*/
			$connection = yii::$app->db;
			$sql = "SELECT `username` FROM c_access WHERE accesstoken = :accesstoken AND domain = :domain AND expiretime > :expiretime ORDER BY id ASC";
			$params = array();
			$params[':accesstoken'] = $accessToken;
			$params[':domain'] = $viaDomain;
			$params[':expiretime'] = $timestamp;
			$result = fmFunc_pdo_yii_fetch($connection, $sql, $params);
			$hasToken = FALSE;
			$hasCert = FALSE;
			if ($result) {
				$username = $result['username'];
				$hasToken = TRUE;
				//加载证书文件,但无用户登陆状态
				$cert = $username . '.php';
				if (file_exists($_HI['apiCertPath'] . $cert)) {
					$_FM['apiCert'] = array_merge(include($_HI['apiCertPath'] . $cert));
					$hasCert = TRUE;
				}
			}
			$_FM['apiCert']['token'] = $accessToken;
			
			//处理POST数据
			$client_type = isset($dataPost['client_type']) ? $dataPost['client_type'] : '';
			$msg_type = isset($dataPost['msg_type']) ? $dataPost['msg_type'] : '';
			if (!$msg_type) {
				$msg_type = isset($dataGet['msg_type']) ? $dataGet['msg_type'] : '';
			}
			$isWeb = ($client_type == 'web') ? TRUE : FALSE;
			$isApp = ($client_type == 'app') ? TRUE : FALSE;
			$isAppWeb = ($client_type == 'appweb') ? TRUE : FALSE;
			$msg = isset($dataPost['msg']) ? $dataPost['msg'] : '';
			if (!$msg) {
				$msg = isset($dataGet['msg']) ? $dataGet['msg'] : '';
			}
			
			//构造反馈消息
			$data = array();
			$data['type'] = $msg_type;
			$data['msg'] = $msg;
			
			if (isset($dataGet['debug'])) {
				//向全体推送数据
				$data['msg'] = empty($data['msg']) ? '第' . $count . '次测试群发' : $data['msg'];
				$count++;
				$data = json_encode($data);
				Gateway::sendToAll($data);
				return;
			}
			
			$data = json_encode($data);
			
			//根据情况发送消息
			switch ($hasToken) {
				case TRUE:
					//根据当前用户身份生成可准确识别的用户ID
					$uid = isset($dataPost['uid']) ? $dataPost['uid'] : '';
					if ($uid) {
						$uid = fmFunc_server_hash_id($uid);
						Gateway::sendToUid($uid, $data);
					}
					
					//有证书时，可继续下一步的推送
					if (!$hasCert) {
						break;    //无证书，不再继续
					}
					
					//已指派分组时
					$group_id = isset($dataPost['group']) ? $dataPost['group'] : 0;
					if ($groud_id) {
						$group_id = $group_pre . fmFunc_server_hash_id($group_id);
						Gateway::sendToGroup($group_id, $data);
						break;    //执行后结束此次推送
					}
					
					//根据创建更多分组
					$do = isset($dataPost['do']) ? $dataPost['do'] : '';
					$ac = isset($dataPost['ac']) ? $dataPost['ac'] : '';
					$op = isset($dataPost['op']) ? $dataPost['op'] : '';
					
					if ($client_type) {
						if ($isWeb) {
							$type = 'web';
						} else if ($isAppWeb) {
							$type = 'appweb';
						} else {
							$type = 'app';
						}
						if ($do) {
							if ($ac) {
								if ($op) {
									$group_id = $type . '_' . $do . '_' . $ac . '_' . $op;
									$group_id = $group_pre . fmFunc_server_hash_id($group_id);
									Gateway::sendToGroup($group_id, $data);
								} else {
									$group_id = $type . '_' . $do . '_' . $ac;
									$group_id = $group_pre . fmFunc_server_hash_id($group_id);
									Gateway::sendToGroup($group_id, $data);
								}
							} else {
								$group_id = $type . '_' . $do;
								$group_id = $group_pre . fmFunc_server_hash_id($group_id);
								Gateway::sendToGroup($group_id, $data);
							}
						} else {
							$group_id = $type;
							$group_id = $group_pre . fmFunc_server_hash_id($group_id);
							Gateway::sendToGroup($group_id, $data);
						}
					}
					break;
				
				case FALSE;
					//只发送给指定客户端
					Gateway::sendToClient($client_id, $data);
					break;
			}

// 以下是调用示例，接口与GatewayWorker环境的接口一致
// 接口具体使用方法见《Lib\Gateway类提供的接口》一章
// 注意除了不支持sendToCurrentClient和closeCurrentClient方法
// 其它方法都支持
//Gateway::sendToAll($data);
//Gateway::sendToClient($client_id, $data);
//Gateway::closeClient($client_id);
//Gateway::isOnline($client_id);
//Gateway::bindUid($client_id, $uid);
//Gateway::isUidOnline($uid);
//Gateway::getClientIdByUid($uid);
//Gateway::unbindUid($client_id, $uid);
//Gateway::sendToUid($uid, $data);
//Gateway::joinGroup($client_id, $group);
//Gateway::sendToGroup($group, $data);
//Gateway::leaveGroup($client_id, $group);
//Gateway::getClientCountByGroup($group);
//Gateway::getClientSessionsByGroup($group);
//Gateway::getAllClientCount();
//Gateway::getAllClientSessions();
//Gateway::setSession($client_id, $session);
//Gateway::updateSession($client_id, $session);
//Gateway::getSession($client_id);
		
		}
	}