<?php
/**
 * Created by chatfeed.
 * @Author:$Id$
 */

namespace common\foundation;

use Yii;
use yii\helpers\Json;

class JsonResponseFormatter extends \yii\web\JsonResponseFormatter
{
    private $defaultErrorCode = -1;
    public static function formatData($data,$errno=0,$msg=''){
//        if(empty($data)) $data = new \stdClass();
        if(empty($data)) $data = [];

        return ['data'=>$data,'errcode'=>$errno,'msg'=>$msg];
    }
    public $encrypt = true;//是不加密
    /**
     * Formats response data in JSON format.
     * @param \yii\web\Response $response
     */
    protected function formatJson($response)
    {
        //$response->getHeaders()->set('Content-Type', 'text/plain; charset=UTF-8');
        //$response->getHeaders()->set("Access-Control-Allow-Origin","*");
        if ($response->data !== null) {
            $options = $this->encodeOptions;
            if ($this->prettyPrint) {
                $options |= JSON_PRETTY_PRINT;
            }
            $errcode = 0;
            $msg = '';
            $data=[];
            if(!$response->isSuccessful){
                $response->statusCode = 200;
                $errcode=-1;
                if(Yii::$app->errorHandler->exception){
//                    if(Yii::$app->errorHandler->exception instanceof )
                    if(isset(Yii::$app->errorHandler->exception->statusCode)){
                        $errcode = Yii::$app->errorHandler->exception->statusCode;
                    }elseif (Yii::$app->errorHandler->exception->getCode()>0){
                        $errcode=Yii::$app->errorHandler->exception->getCode();
                    }else{
                        $errcode = $this->defaultErrorCode;
                    }
                    $msg= YII_DEBUG?Yii::$app->errorHandler->exception->getMessage():'服务器内部错误';

                }
            }else{
                $data = $response->data;
            }

            $response->data = self::formatData($data,$errcode,$msg);
//            var_dump($response->data);exit;
//            if(!$response->isSuccessful){
//                $response->statusCode = 200;
//                if($response->data['code']>20000)
//                    $code = $response->data['code'];
//                else
//                    $code = ErrorCode::APP_EXCEPTION;
//                $redirect = '';
//                $response->data = BController::ApiResponse([],$response->data['message'],$code,$redirect);
//            }
//            if(isset(Yii::$app->params['response_encrpyt']) && Yii::$app->params['response_encrpyt']){
//                $encryption = new MCrypt();
//                $response->content = $encryption->encrypt(Json::encode($response->data, $options));
//            }else{
            $response->content = Json::encode($response->data, $options);
//            }

        }
    }

    /**
     * Formats response data in JSONP format.
     * @param \yii\web\Response $response
     */
    protected function formatJsonp($response)
    {
        $response->getHeaders()->set('Content-Type', 'application/javascript; charset=UTF-8');
        if ($response->data !== null) {
            $options = $this->encodeOptions;
            if ($this->prettyPrint) {
                $options |= JSON_PRETTY_PRINT;
            }
            if(!$response->isSuccessful){
                $response->statusCode = 200;
                if($response->data['code']>20000)
                    $code = $response->data['code'];
                else
                    $code = $this->defaultErrorCode;
                $redirect = '';
//                $response->data = BController::ApiResponse([],$response->data['message'],$code,$redirect);
            }
//            if(isset(Yii::$app->params['response_encrpyt']) && Yii::$app->params['response_encrpyt']){
//                $encryption = new MCrypt();
//                $response->content = $encryption->encrypt(Json::encode($response->data, $options));
//            }else{
//            $response->content = Json::encode($response->data, $options);
//            }

        }
        $response->data= ['data'=>$response->data,'callback' => Yii::$app->getRequest()->get('callback')];
        if (is_array($response->data) && isset($response->data['data'], $response->data['callback'])) {
            $response->content = sprintf('%s(%s);', $response->data['callback'], Json::htmlEncode($response->data['data']));
        } elseif ($response->data !== null) {
            $response->content = '';
            Yii::warning("The 'jsonp' response requires that the data be an array consisting of both 'data' and 'callback' elements.", __METHOD__);
        }
    }
}