<?php

/**
 * @author Any
 * @description KISS
 * @date 2020-12-1
 * @version 1.0.0
 * 
 * _____LOG_____
 * 
 */
namespace app\modules\api\controllers;

use Yii;
use app\models\UserToken;
use app\models\wechat\WechatApp;
use Wechat\Wechat;
use app\components\LockUtil;


class Controller extends \app\controllers\Controller
{
    //@TODO平台类型，wxmp=微信小程序，wxoa=微信公众号，app=APP，h5=移动网页端
    public $_cx_platform;
    //token类型，根据平台类型生成
    public $_cx_token_type;
    //应用版本
    public $_cx_version;
    //客户端ID
    public $_cx_client_id;

    /**
     * 微信小程序
     * @var Wechat
     */
    public $wechat_mp;
    
    /**
     * 锁
     * @Var LockUtil
     */
    public $lock;


    public function init()
    {
        parent::init(); 
        //取消session认证
        \Yii::$app->user->enableSession = false;
        //应用版本
        $this->_cx_version = $this->getRequestParamByKey('X-App-Version',$this->getRequestParamByKey('x-app-version'));
        //平台商户ID
        $this->cx_mch_id = $this->getRequestParamByKey('X-Mch-Id',$this->getRequestParamByKey('x-mch-id',0));
        //获取来源平台
        $_cx_platform = $this->getRequestParamByKey('X-App-Platform',$this->getRequestParamByKey('x-app-platform'));
        $this->_cx_platform = empty($_cx_platform) ? 'h5' : $_cx_platform;
        //根据平台获取token类型
        $this->_cx_token_type = UserToken::getTypeByPlatform($this->_cx_platform);
        //客户端ID
        $this->_cx_client_id = $this->getRequestParamByKey('X-App-Client-Id',$this->getRequestParamByKey('x-app-client-id'));        
        //微信小程序
        $wechat_app = WechatApp::findOne([
            'cx_mch_id' => $this->cx_mch_id,
            'is_delete' => 0
        ]);
        if($wechat_app){
            if (!is_dir(\Yii::$app->runtimePath . '/pem')) {
                mkdir(\Yii::$app->runtimePath . '/pem');
                file_put_contents(\Yii::$app->runtimePath . '/pem/index.html', '');
            }
            $cert_pem_file = null;
            if ($wechat_app->cert_pem) {
                $cert_pem_file = \Yii::$app->runtimePath . '/pem/' . md5($wechat_app->cert_pem);
                if (!file_exists($cert_pem_file))
                    file_put_contents($cert_pem_file, $wechat_app->cert_pem);
            }
            $key_pem_file = null;
            if ($wechat_app->key_pem) {
                $key_pem_file = \Yii::$app->runtimePath . '/pem/' . md5($wechat_app->key_pem);
                if (!file_exists($key_pem_file))
                    file_put_contents($key_pem_file, $wechat_app->key_pem);
            }
            $this->wechat_mp = new Wechat([
                'appId' => $wechat_app->app_id,
                'appSecret' => $wechat_app->app_secret,
                'mchId' => $wechat_app->mch_id,
                'apiKey' => $wechat_app->key,
                'certPem' => $cert_pem_file,
                'keyPem' => $key_pem_file,
            ]);              
        }    
        //锁初始化
        $this->lock = new LockUtil($this->cx_mch_id,$this->_cx_client_id);  
    }
    
    
    public function beforeAction($action)
    {   
        //关闭_it_csrf
        $app_csrf = $this->getRequestParamByKey('X-Csrf',$this->getRequestParamByKey('x-csrf'));
        //@CX INIT PARAM
        if($app_csrf == "ag7x1Afy1r0q8j4y05vk3s4118hx7124"){
            //跨域关闭csrf
            $action->controller->enableCsrfValidation = false;    
        }        
        if (parent::beforeAction($action))
        {                  
            return true;
        }
        else
        {
            return false;
        }
    }    
    
    /**
     * 获取请求参数，优选获取请求头
     * @param string $key 键值
     * @param string $default 默认值
     */
    public function getRequestParamByKey($key, $default = null)
    {
        $headers = \Yii::$app->request->headers;
        if(isset($headers[$key]) && !empty($headers[$key]))
            return $headers[$key];
        $val = \Yii::$app->request->get($key);
        if(!empty($val))
            return $val;
        $val = \Yii::$app->request->post($key);
        if(!empty($val))
            return $val;
        return $default;
    }    
}