<?php

namespace app\api\controller;

use app\util\ReturnCode;
use think\Controller;
use think\facade\Response;

/**
 * 接口基础控制器
 */
class Base extends Controller {

    public function _initialize() {
        
    }

    /**
     * 返回封装后的API数据到客户端
     * @access protected
     * @param  mixed $data 要返回的数据
     * @param  mixed $msg 提示信息
     * @param  integer $code 返回的code
     * @return \think\Response
     */
    protected function buildSuccess($data = [], $msg = '操作成功', $code = 1) {
        $result = [
            'code' => $code,
            'msg' => $msg,
            'data' => $data,
        ];

        $response = Response::create($result, 'json');

        return $response;
    }

    /**
     * 返回封装后的API数据到客户端
     * @access protected
     * @param  mixed $msg 提示信息
     * @param  mixed $data 要返回的数据
     * @param  integer $code 返回的code
     * @return \think\Response
     */
    protected function buildFailed($msg = '', $data = [], $code = -1) {
        $result = [
            'code' => $code,
            'msg' => $msg,
            'data' => $data,
        ];

        $response = Response::create($result, 'json');

        return $response;
    }

    /**
     *   接口调用时参数检查appkey、sign、timestamp
     */
    public function checkParam() {
        $param = $this->request->post();

        $appkey = $param['appkey'];
        $sign = $param['sign'];
        $timestamp = $param['timestamp'];

        //加一个验证ip

        if (empty($appkey) || empty($sign) || empty($timestamp)) {
            return $this->output(-1, '参数错误');
        }
        if (strlen($timestamp) == 10) {
            $nowtime = date('Ymdhis', time());
            $oldtime = date('Ymdhis', $timestamp);
            if ($nowtime - $oldtime > 300) {
                return $this->output(-1, 'timestamp超时');
            }
        } else {
            return $this->output(-1, 'timestamp参数错误');
        }
        $appsecret = $this->account($appkey);
        if (empty($appsecret)) {
            return $this->output(-1, '参数错误key');
        }
        $newsign = md5($appkey . $appsecret . $timestamp);

        if ($sign !== $newsign) {
            return $this->output(-1, '签名错误');
        }

        return true;
        //查询sign是否已使用
        //$signCount = M("ApiLog")->where(array('sign' => $sign, 'appkey' => $appkey))->count();
//        if ($signCount > 1) {
//            $this->error('', 20022);
//        }
    }

    /**
     * 根据appkey查询信息
     */
    public function account($appkey) {
        $infos = config('API_USERS');
        $appsecret = FALSE;
        foreach ($infos as $k => $v) {
            if ($v['appkey'] == $appkey) {
                $appsecret = $v['appsecret'];
            }
        }
        return $appsecret;
    }

    /**
     * 统一输出方法
     * @param int $code
     * @param string $msg
     * @param array $data
     * @return json
     */
    public function output($code = '-1', $msg = '', $data = []) {
        $result = json([
            'code' => intval($code),
            'msg' => strval($msg),
            'data' => $data ?: (object) $data
        ]);
        return $result;
    }
    
    
}