<?php

namespace App\Http\Middleware;

use App\Services\AptchaVerifier as Verifier ;
use Closure;

class AptchaVerifier
{
    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Closure  $next
     * @return mixed
     */
    public function handle($request, Closure $next)
    {
        //判断版本号
        $ios_version = $request->header('app-version', '1.0.0');
        $and_version = $request->header('version-name', '1.0.0');
        if($this->contrastVersion($ios_version, '1.3.9') || $this->contrastVersion($and_version, '1.3.14')){
            //区分安卓跟iOS
            if ($request->header('client-os') == "IOS") {
                $captcha_id = env('IOS_CAPTCHA_ID');
            }elseif($request->header('device') == "Android"){
                $captcha_id = env('AND_CAPTCHA_ID');
            }
            $verifier = New Verifier($captcha_id, env('SECRET_ID'), env('SECRET_KEY'));
            $result = $verifier->verify($request->validate, '');
            if(empty($result)){
                return $this->failure('验证不通过');
            }
        }
        return $next($request);
    }

    public function success($msg, $data=[]){
        $result = [
            'code'=> 0,
            'message'=> $msg,
            'data'=> $data,
        ];
        $response = Response()->json($result);
        return $response;

    }
    //接口返回失败
    public function failure($msg, $data=[], $jsonp=false){
        $result = [
            'code'=> 1,
            'message'=> $msg,
            'data'=> $data,
        ];
        if($jsonp){
            return Response()->jsonp('callback', $result);
        }else{
            return Response()->json($result);
        }
    }

    //接口返回失败
    public function fail($msg, $data=[], $jsonp=false){
        $result = [
            'code'=> 2,
            'message'=> $msg,
            'data'=> $data,
        ];
        if($jsonp){
            return Response()->jsonp('callback', $result);
        }else{
            return Response()->json($result);
        }
    }

    //比较版本号
    public function contrastVersion($version, $other_version){
        $version = explode('.', $version);
        $other_version = explode('.', $other_version);
        if($version[0] > $other_version[0]){
            return true;
        }
        if($version[0] < $other_version[0]){
            return false;
        }
        if($version[0] == $other_version[0]){
            if($version[1] > $other_version[1]){
                return true;
            }
            if($version[1] < $other_version[1]){
                return false;
            }
            if($version[1] == $other_version[1]){
                if($version[2] > $other_version[2]){
                    return true;
                }else{
                    return false;
                }
            }
        }
    }
}