<?php

/**
 * @author Any
 * @description KISS
 * @date 2020-11-4
 * @version 1.0.0
 * 
 * _____LOG_____
 * 
 */
namespace app\controllers;

use Yii;
use yii\web\Response;
use app\components\DbUtils;
use app\components\SysErrCode;
use app\models\log\ApiLog;


class Controller extends \yii\web\Controller 
{
    public $cx_request_time;   //用户请求时间
    
    public $cx_mch_id = 0;  //平台商户ID

    public function init() {
        parent::init();
        $this->cx_request_time = intval(microtime(true) * 1000); //用户请求时间
    }


    /**
     * 返回json数据
     * @param array|string $data 返回的数据
     * return null
     */
    public function renderJson($data = [])
    {
        if (is_array($data)) {
            if (!isset($data['code']))
                $data['code'] = SysErrCode::$apiReturnSuccess;
            if (!isset($data['msg']))
                $data['msg'] = '';
            if (!isset($data['data']))
                $data['data'] = (object)null;
            $data = json_encode($data, JSON_UNESCAPED_UNICODE);
        }
        if (is_object($data)) {
            if (!isset($data->code))
                $data->code = SysErrCode::$apiReturnSuccess;
            if (!isset($data->msg))
                $data->msg = '';
            if (!isset($data->data))
                $data->data = (object)null;
            $data = json_encode($data, JSON_UNESCAPED_UNICODE);
        }
        //输出内容检测
        $is_let_out = $this->filter($data);
        if($is_let_out){
            $data = $this->invaildRequest();
        }
        
        $response = \Yii::$app->getResponse();
        $response->clearOutputBuffers();
        $response->setStatusCode(200);
        $response->format = Response::FORMAT_JSON;
        $response->content = $data;
        $response->send();
        \Yii::$app->end(); 
    }
    
    public function responseHandler($data = [],$render = false)
    {
        if($render){
            $this->renderJson($data);
        } else {
            if (is_array($data)) {
                if (!isset($data['code']))
                    $data['code'] = SysErrCode::$apiReturnSuccess;
                if (!isset($data['msg']))
                    $data['msg'] = '';
                if (!isset($data['data']))
                    $data['data'] = (object)null;
            }
            if (is_object($data)) {
                if (!isset($data->code))
                    $data->code = SysErrCode::$apiReturnSuccess;
                if (!isset($data->msg))
                    $data->msg = '';
                if (!isset($data->data))
                    $data->data = (object)null;
            } 
            //输出内容检测
            $is_let_out = $this->filter($data);
            if($is_let_out){
                $data = $this->invaildRequest();
            }
            
            header("Content-type: application/json; charset=" . \Yii::$app->charset);
            \Yii::$app->response->format = Response::FORMAT_JSON;            
            return $data;
        }
    }    
    
    public function invaildRequest()
    {
        return [
            'code' => SysErrCode::$apiReturnFailed,
            'msg' => 'Invaild Request'
        ];
    }
    
    public function requestNotFound()
    {
        return [
            'code' => SysErrCode::$apiReturnFailed,
            'msg' => 'Not Found'
        ];
    } 

    //检测输出的内容是否数据库泄漏
    private function filter($data)
    {
        $is_pass = 1;
        //API日志记录
        $user_id = \Yii::$app->user->isGuest ? 0 : \Yii::$app->user->identity->id;
        $res = ApiLog::logger($user_id, $this->cx_request_time, $is_pass, $this->cx_mch_id);
        if($res['code'] != 0 ){
            \Yii::error("[ApiLog]".$res['msg']);
        }
        return false;
    }
}