<?php
namespace api\controllers;

use Yii;
use yii\base\InvalidParamException;
use yii\web\BadRequestHttpException;
use yii\web\Controller;
use yii\filters\VerbFilter;
use yii\filters\AccessControl;
use common\models\LoginForm;
use frontend\models\PasswordResetRequestForm;
use frontend\models\ResetPasswordForm;
use frontend\models\SignupForm;
use frontend\models\ContactForm;

/**
 * Site controller
 */
class SiteController extends Controller
{


    /**
     * @inheritdoc

    /**
     * Displays homepage.
     *
     * @return mixed
     */
    public function actionIndex()
    {
        \Yii::$app->response->format = \yii\web\Response::FORMAT_JSON;
        return [
            'message' => 'API test Ok!',
            'code' => 100,
        ];
//        return $this->render('index');
    }


    /**
     * Displays homepage.
     *
     * @return mixed
     */
    public function actionPage()
    {

        \Yii::$app->response->format = \yii\web\Response::FORMAT_JSON;


        $params=Yii::$app->request->get();

        unset($params['r']);
//        var_dump($params);die;
//        die;
        $signature = $params["signature"];//本地签名
        $timestamp = $params["timestamp"];//时间戳
//        $params = $_GET["params"];


        //valid signature , option
        if($this->checkSignature($params,$timestamp,$signature)){
            return [
                'message' => 'signature test Ok!',
                'code' => 100,
            ];
        }else{
            return [
                'message' => 'signature test fail!',
                'code' => 201,
            ];
        }
    }


    /**
     * Displays homepage.
     *
     * @return mixed
     */
    public function actionGetsignature()
    {

        \Yii::$app->response->format = \yii\web\Response::FORMAT_JSON;
        $params=Yii::$app->request->get();
        $signature = $params["signature"];//本地签名
        $timestamp = $params["timestamp"];//时间戳
        unset($params['r'],$params['signature']);
        //valid signature , option
        if($this->checkSignature($params,$timestamp,$signature)){
            return [
                'message' => 'signature test Ok!',
                'code' => 100,
            ];
        }else{
            return [
                'message' => 'signature test fail!',
                'code' => 201,
            ];
        }
    }


    private static function getSign($params, $appkey, $appSecret, $time)
    {
        $sign = '';
        if (!empty($params)) {
            ksort($params);
            $string = http_build_query($params);
            $result = md5($appkey . $string . $appSecret . $time);
            $sign = strtoupper($result);
        }
        return $sign;
    }


    private function checkSignature($params,$timestamp,$signature)
    {
        define("APP_ID", "disanbo");
        define("APP_SECRET", "di~sanbo1");
        $appkey = APP_ID;
        $appSecret  = APP_SECRET;
        $sign= $this->getSign($params, $appkey, $appSecret, $timestamp);

        if( $sign == $signature ){
            //do something
            return true;
        }else{
            return false;
        }
    }

}