<?php


class BatteryAlarmKafkaAction extends Action {
			

	public  function kafka_index(  ){
		$broker_list = C('KAFKA_BROKER_LIST');
		if (empty($broker_list)) {
			exit("KAFKA_BROKER_LIST must be config!".PHP_EOL);
		}
		$group = C('WXT_DATA_KAFKA_GROUP');
		if (empty($group)) {
			exit("WXT_DATA_KAFKA_GROUP must be config!".PHP_EOL);
		}
		$topics = C('C61_BATTERY_ALARM_KAFKA_TOPIC');
		if (empty($topics)) {
			exit("C61_BATTERY_ALARM_KAFKA_TOPIC must be config!".PHP_EOL);
		}
		$topics = explode(',',$topics);
		$conf = new RdKafka\Conf();
		// Set a rebalance callback to log partition assignments (optional)（当有新的消费进程加入或者退出消费组时，kafka 会自动重新分配分区给消费者进程，这里注册了一个回调函数，当分区被重新分配时触发）
		$conf->setRebalanceCb(function (RdKafka\KafkaConsumer $kafka, $err, array $partitions = null) {
		    switch ($err) {
		        case RD_KAFKA_RESP_ERR__ASSIGN_PARTITIONS:
		            echo "Assign: ";
		            var_dump($partitions);
		            $kafka->assign($partitions);
		            break;
		
		         case RD_KAFKA_RESP_ERR__REVOKE_PARTITIONS:
		             echo "Revoke: ";
		             var_dump($partitions);
		             $kafka->assign(NULL);
		             break;
		
		         default:
		            throw new \Exception($err);
		    }
		});
		// Configure the group.id. All consumer with the same group.id will consume（ 配置groud.id 具有相同 group.id 的consumer 将会处理不同分区的消息，所以同一个组内的消费者数量如果订阅了一个topic， 那么消费者进程的数量多于这个topic 分区的数量是没有意义的。）
		// different partitions.
		$conf->set('group.id', $group);
		// Initial list of Kafka brokers（添加 kafka集群服务器地址）
		
		$conf->set('metadata.broker.list', $broker_list);
		$topicConf = new RdKafka\TopicConf();
		// Set where to start consuming messages when there is no initial offset in
		// offset store or the desired offset is out of range.
		// 'smallest': start from the beginning
		$topicConf->set('auto.offset.reset', 'earliest');
		// Set the configuration to use for subscribed/assigned topics
		$conf->setDefaultTopicConf($topicConf);
		$consumer = new RdKafka\KafkaConsumer($conf);
		// 订阅轨迹数据topic
		$consumer->subscribe($topics);
		while (true) {
		    $message = $consumer->consume(120*1000);
		    switch ($message->err) {
		        case RD_KAFKA_RESP_ERR_NO_ERROR:
						 $data = json_decode($message->payload,true);
						 if( $data ){
							 //var_dump($data);
							 $result = $this->handleAlarmData($data);
							 if (APP_DEBUG && isset($result['message'])) {
								 echo $result['message'] . PHP_EOL;
							 }
						 }
		            break;
		        case RD_KAFKA_RESP_ERR__PARTITION_EOF:
		            echo "No more messages; will wait for more\n";
		            break;
		        case RD_KAFKA_RESP_ERR__TIMED_OUT:
		            echo "Timed out\n";
		            break;
		        default:
		            throw new \Exception($message->errstr(), $message->err);
		            break;
		    }
		}
	}
	
 
	private  function handleAlarmData( $data ){
		
		if(!is_array($data)){
			return array('success'=>false,'message'=>'failed,data must be array!');
		}
		
		
		$cond=array('imei'=>$data['tid']);
		$device_info=M('devices')->where($cond)->find();
		if(!$device_info){
			return array('success'=>false,'message'=>$data['tid'].'devices not existed');
		}
		$save_data_log=array(
			'imei'=>$data['tid'],
			'is_low' => $data['is_low'],
			'is_charge' => $data['is_charge'],
			'is_charge_full' => $data['is_charge_full'],
			'battery_level' => $data['battery_level'],
			'created_at'=>time(),
		);
		if($data['battery_level']==0){
			return array('success'=>false,'message'=>$data['tid'].' battery_level is 0');
		}
		
		M('battery_log')->createAdd($save_data_log);
		
		if(!$device_info['bind_id']){
			$res=M('devices')->createSave(array('imei'=>$data['tid']),array('battery_level'=> $data['battery_level']));
			return array('success'=>false,'message'=>$data['tid'].' bind_id not existed');
		}
		$this->wxMsg = new  \Jiaruan\WxTmp();
		$user_id=M('vehicles')->where(array('id'=>$device_info['bind_id']))->getField('user_id');
		if(!$user_id){
			return array('success'=>false,'message'=>$data['tid'].' user_id not existed');
		}
		$send_user=M('users')->where(array('id'=>$user_id))->find();
		$alarm_state=0;
		$save_data=array('battery_level'=> $data['battery_level']);
		$alarm_time=$data['timestamp'];
		if($alarm_time<(time()-3600)){
			$alarm_time=time();
		}
		
		$alarm_data=array(
			'device_number'=>$device_info['imei'],
			//'alarm_type'=>'low_recover',
			'created_at'=>time(),
			'creator_id'=>$device_info['creator_id'],
			'alarm_time'=>date('Y-m-d H:i:s',$alarm_time),
		);
		$send_interval = C('WX_BAT_ALARM_SEND_INTERVAL');
		if (!$send_interval) {
			$send_interval=600;
		}
		$check_cond=array(
			'device_number'=>$device_info['imei'],
			'created_at'=>array('gt',time()-$send_interval),
		);
		
		if($data['is_low']){
			//低电量告警
			$save_data['alarm_state']=1;
			//低电量告警
			$alarm_data['alarm_type']='low_bat';
			$insertId=M('alarm_report')->createAdd($alarm_data);
		
			
				// 低电量模板ID
				$bat_template_id = C('WX_LOW_BAT_ALARM_TEMPLATE_ID');
				if (!$bat_template_id) {
					create_log('WX_LOW_BAT_ALARM_TEMPLATE_ID required', 'add_alarm');
					return array('success'=>false,'message'=>'WX_CHARGE_FULL_ALARM_TEMPLATE_ID required');
				}
		
				$sendmsg = array(
						'touser'=>$send_user['wx_open_id'],
						'template_id' => $bat_template_id, //"NeSrB4ViIkRMOuCtoA6BIPPi_N5L-B5zaWcIXJZwkD0",
						'data' => [
							'first' => [ 'value' =>$send_user['realname'].'的设备电量过低，请及时充电', 'color' => '#173177' ],
							'keyword1' => [ 'value' => $data['tid'], 'color' => '#173177' ],
							'keyword2' => [ 'value' => date('Y-m-d H:i:s'), 'color' => '#173177' ],
							'remark' => [ 'value' => '', 'color' => '#173177' ],
						],
				);
				$res=$this->wxMsg->sendMessage($sendmsg);
				create_log($device_info['imei'].'is_low user:'.$send_user['id'].' openid:'.$send_user['wx_open_id'].' res:'.json_encode($res), 'wx_push_result_log');
						//推送记录
				$push_res_data = array(
						'username'=>$send_user['realname'],
						'device_number'=>$device_info['imei'],
						'result'=> json_encode($res),
						'created_at'=>time(),
						'alarm_id'=>$insertId,
						'alarm_type'=>$alarm_data['alarm_type'],
						'creator_id'=>$device_info['creator_id']
				);
				M('wx_push_result_log')->createAdd($push_res_data);
			
		
		}
		$cond=array('imei'=>$data['tid']);
		//M('users')->createSave($cond,array('battery_level'=> $data['battery_level']));
		$res=M('devices')->createSave($cond,$save_data);
		//var_dump(M('devices')->getLastSql());
		if($res){
			return array('success'=>true,'message'=>$data['tid'].' update success,battery: '.$data['battery_level']);
		}else{
			return array('success'=>false,'message'=>$data['tid'].' update failed');
		}
		
		
	}
	

}