<?php

namespace addon\supply\api\controller;

use app\Controller;
use think\facade\Db;

class ApiBase extends Controller
{
    //客户端类型
    protected $client_type_array = array('android', 'mobile', 'wap', 'wechat', 'ios', 'windows');
    //列表默认分页数
    protected $page = 5;
    // 输出参数
    protected $options = [
        'json_encode_param' => JSON_UNESCAPED_UNICODE,
    ];
    protected $alias = '';
    protected $action = '';
    protected $error = '';
    protected $appSecret = '';
    protected $AppInfo = '';

    public function initialize()
    {
        $this->appSecret = input('app_secret');
    }

    public function ajaxSuccess($result = array(), $code = 0, $message = '成功', $format = 'JSON')
    {
        $data['result'] = $result;
        $data['code'] = $code;
        $data['message'] = $message;
        return $this->ajaxReturn($data, $format);
    }

    public function ajaxError($result, $resultCode = -1, $message = '错误')
    {
        $data['result'] = $result;
        $data['code'] = $resultCode;
        $data['message'] = $message;
        return $this->ajaxReturn($data);
    }

    /**
     * Ajax方式返回数据到客户端
     * @access protected
     * @param mixed $data
     *            要返回的数据
     * @param String $type
     *            AJAX返回数据格式
     * @return void
     */
    protected function ajaxReturn($data, $type = '')
    {
        if (empty ($type)) $type = 'JSON';

        switch (strtoupper($type)) {
            case 'JSON' :
                return json($data)->getcontent();;
                break;
            case 'XML' :
                return xml($data);
                break;
            case 'JSONP' :
                return jsonp($data);
                break;
            default :
                // 用于扩展其他返回格式数据
                event('ajax_return', $data);
        }
    }


    /***
     * 签名
     * @return void
     */
    public function CheckSign()
    {

        $app_id = input('app_id');
        $app_secret = input('app_secret');
        $timestamp = input('timestamp', time());
        $sign = input('signature');
        if (!request()->isPost()) {
            $this->error = '请求方式不正确请使用POST方式';
            return false;
        }
//        if (empty($app_id) || empty($app_secret)) {
//            $this->error = 'app_id或app_secret不能为空';
//            return false;
//        }
//        if (empty($timestamp)) {
//            $this->error = '请求时间不能为空';
//            return false;
//        } else if (time() - $timestamp > 600) {
//            $this->error = '请求时间不合法';
//            return false;
//        }
        if (empty($sign)) {
            $this->error = '签名不能为空';
            return false;
        } else {
            $data = input();
            $getSign = $this->getSign($data);
//            if ($getSign != $sign) {
//                $this->error = '签名不正确';
//                return false;
//            }
            $where = ['app_id' => $app_id, 'app_secret' => $app_secret];
            $AppInfo = DB::name('supply_app')->where($where)->cache(json_encode($where), 3600)->find();
            if (empty($AppInfo) || $AppInfo['status'] != 1) {
                $this->error = 'app_id或app_secret不正确';
                return false;
            } else {
                $this->AppInfo = $AppInfo;
            }
        }
        return true;
    }

    /***
     * 获取签名
     * @param $path
     * @param $postData
     * @return string
     */
    public function getSign($data)
    {
        unset($data['signature']);
        ksort($data);
        $content = http_build_query($data);
        $sign = hash_hmac("sha1", $content, $this->appSecret, true);
        $signHexWithLowcase = bin2hex($sign);
        $signHexUppercase = strtoupper($signHexWithLowcase);
        return $signHexUppercase;
    }
}