<?php
namespace Jiaruan;
use think\facade\Cache;
use think\facade\Env;

class WxTmp {
			

	public  function getAccessToken( $appid = '', $appsecret = ''){
		$appid = $appid ?: C('WECHAT_APPID_3');
		$appsecret = $appsecret ?: C('WECHAT_APPSECRET_3');
        //从redis获取token
        $redis=Cache::store('redis')->handler();
        
		// $p = Redis("get_access_token","hash");
        // $val = $p->get($appid);

        $val = $redis->hget('get_access_token', $appid);
        $info = json_decode($val,true);

		if($info['access_token']&&time()<$info['expirtime']){
			
			$access_token = $info['access_token'];
			
		}else{
			$ur="https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={$appid}&secret={$appsecret}";
			$chu= curl_init();
			curl_setopt($chu, CURLOPT_URL, $ur);
			curl_setopt($chu, CURLOPT_SSL_VERIFYPEER, FALSE); 
			curl_setopt($chu, CURLOPT_SSL_VERIFYHOST, FALSE); 
			curl_setopt($chu, CURLOPT_RETURNTRANSFER, 1);
			$output = curl_exec($chu);
			curl_close($chu);
			$jsoninfo = json_decode($output, true);
			$access_token = $jsoninfo["access_token"];
			if(!$access_token){
				echo 'access_token is empty!'.PHP_EOL;
				return false;
			}
			//将access_token存到redis
			$data = array(
				'expirtime'=>time()+5400,
				'access_token'=>$access_token
			);
		
		    $key = $appid;
			$val = json_encode($data,JSON_UNESCAPED_UNICODE);
            try{
                $redis->hset('get_access_token', $appid, $val);
            }catch(\Exception $e){
                return false;
            }
            
			
		}
		
		/*获取access_token*/
		return $access_token;
	}
	
 
	public  function sendMessage( $msginfo, $config = array() ){
		if(!$msginfo){
			$msg =  'template message is empty!'.PHP_EOL;
			return array('success'=>false, 'message' =>$msg );
		}
        if( empty($config) || !isset($config['appid']) || !isset($config['appsecret']) ){ // 兼容之前固定使用这个常量的
			$config['appid'] = Env::get('wechat.wechat_appid');
			$config['appsecret'] =Env::get('wechat.wechat_appsecret');
		}
        //获取access_token
       
        $access_token = $this->getAccessToken($config['appid'], $config['appsecret']);
        
		if(!$access_token){
			$msg =  'when you sendMessage,the access_token is null!'.PHP_EOL;
			return array('success'=>false, 'message' =>$msg );
		}
		$url = "https://api.weixin.qq.com/cgi-bin/message/template/send?access_token=".$access_token ;
		/*
		$arr = array(
			'touser'=>$msginfo['openid'],
			'template_id'=>"MC5f9ikF-UWc42bc-B3uJuBcn-qFEBOmE5Fw4lK9bG0",
			"topcolor"=>"#FF0000",
			'url'=>"http://www.baidu.com",
			'data'=>array(
				'name'=>array('value'=>'Lucy','color'=>"#173177") ,
				'time'=>array('value'=>date('Y-m-d'),'color'=>"#173177") ,
				'location'=>array('value'=>'bj','color'=>"#173177")
			) 
		
		);*/
		
		//汉字不转义
		$postJson = json_encode($msginfo,JSON_UNESCAPED_UNICODE);
		if(!$postJson){
			$msg =  'data json_encode faild';
			return array('success'=>false, 'message' =>$msg );
		}
		//cURL post请求
		$res = $this->curlPost($url,$postJson);
		$res = json_decode($res,true);	
		
		if(!$res['errcode']){
			return array('success'=>true, 'message' => $res['errmsg']);
		}else{
			return array('success'=>false, 'message' => $res['errmsg']);
		}
	}
	
 
	public  function curlPost( $url, $postJson ){
		if(!$url){
			echo 'url is null!'.PHP_EOL;
			return false;
		}
		if(!$postJson){
			echo 'postJson is null!'.PHP_EOL;
			return false;
		}
		$ch = curl_init();
		$params[CURLOPT_URL] = $url;    //请求url地址
		$params[CURLOPT_HEADER] = FALSE; //是否返回响应头信息
		$params[CURLOPT_SSL_VERIFYPEER] = false;
		$params[CURLOPT_SSL_VERIFYHOST] = false;
		$params[CURLOPT_RETURNTRANSFER] = true; //是否将结果返回
		$params[CURLOPT_POST] = true;
		$params[CURLOPT_POSTFIELDS] = $postJson;
		curl_setopt_array($ch, $params); //传入curl参数
		$content = curl_exec($ch); //执行
		curl_close($ch); //关闭连接
		
		return $content;
		
	}
	
 
	public  function getTemplateList( $config ){
		if( empty($config) || !isset($config['appid']) || !isset($config['appsecret']) ){ // 兼容之前固定使用这个常量的
			$msg = 'appid and appsecret not found';
			return array('success'=>false, 'message' =>  $msg);
		}
		//获取access_token
		$access_token = $this->getAccessToken($config['appid'], $config['appsecret']);
		if(!$access_token){
			$msg =  'when you sendMessage,the access_token is null!'.PHP_EOL;
			return array('success'=>false, 'message' =>$msg );
		}
		$url = "https://api.weixin.qq.com/cgi-bin/template/get_all_private_template?access_token=".$access_token ;
		
		//汉字不转义
		/*$postJson = json_encode($msginfo,JSON_UNESCAPED_UNICODE);
		if(!$postJson){
			$msg =  'data json_encode faild';
			return array('success'=>false, 'message' =>$msg );
		}*/
		//cURL post请求
		$res = $this->curlGetTemplate($url);
		$res = json_decode($res,true);
		return $res;
	}
	
 
	public  function curlGetTemplate( $url ){
		if(!$url){
			 echo 'url is null!'.PHP_EOL;
			 return false;
		}
		$ch = curl_init();
		$params[CURLOPT_URL] = $url;    //请求url地址
		$params[CURLOPT_HEADER] = FALSE; //是否返回响应头信息
		$params[CURLOPT_SSL_VERIFYPEER] = false;
		$params[CURLOPT_SSL_VERIFYHOST] = false;
		$params[CURLOPT_RETURNTRANSFER] = true; //是否将结果返回
		//$params[CURLOPT_POST] = true;
		//$params[CURLOPT_POSTFIELDS] = $postJson;
		curl_setopt_array($ch, $params); //传入curl参数
		$content = curl_exec($ch); //执行
		curl_close($ch); //关闭连接
		
		return $content;
	}
	
 
	

}