<?php
// +----------------------------------------------------------------------
// | Yzncms [ 御宅男工作室 ]
// +----------------------------------------------------------------------
// | Copyright (c) 2018 http://yzncms.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: 御宅男 <530765310@qq.com>
// +----------------------------------------------------------------------

// +----------------------------------------------------------------------
// | 接口控制模块
// +----------------------------------------------------------------------
namespace app\common\controller;

use think\exception\HttpResponseException;
use think\Request;
use think\Response;

class Api
{
    /**
     * @var Request Request 实例
     */
    protected $request;

    /**
     * 默认响应输出类型,支持json/xml
     * @var string
     */
    protected $responseType = 'json';

    /**
     * 构造方法
     * @access public
     * @param Request $request Request 对象
     */
    public function __construct(Request $request)
    {
        $this->request = $request;
        // 控制器初始化
        $this->initialize();
    }

    /**
     * 初始化操作
     * @access protected
     */
    protected function initialize()
    {
        //移除HTML标签
        $this->request->filter('trim,strip_tags,htmlspecialchars');
    }

    /**
     * 操作成功返回的数据
     * @param string $msg    提示信息
     * @param mixed  $data   要返回的数据
     * @param int    $code   错误码，默认为1
     * @param string $type   输出类型
     * @param array  $header 发送的 Header 信息
     */
    protected function success($msg = '', $data = null, $code = 1, $type = null, array $header = [])
    {
        $this->result($msg, $data, $code, $type, $header);
    }

    /**
     * 操作失败返回的数据
     * @param string $msg    提示信息
     * @param mixed  $data   要返回的数据
     * @param int    $code   错误码，默认为0
     * @param string $type   输出类型
     * @param array  $header 发送的 Header 信息
     */
    protected function error($msg = '', $data = null, $code = 0, $type = null, array $header = [])
    {
        $this->result($msg, $data, $code, $type, $header);
    }

    /**
     * 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 int    $code   错误码，默认为0
     * @param string $type   输出类型，支持json/xml/jsonp
     * @param array  $header 发送的 Header 信息
     * @return void
     * @throws HttpResponseException
     */
    protected function result($msg, $data = null, $code = 0, $type = null, array $header = [])
    {
        $result = [
            'code' => $code,
            'msg'  => $msg,
            'time' => $this->request->server('REQUEST_TIME'),
            'data' => $data,
        ];
        // 如果未设置类型则自动判断
        $type = $type ? $type : ($this->request->param(config('var_jsonp_handler')) ? 'jsonp' : $this->responseType);

        if (isset($header['statuscode'])) {
            $code = $header['statuscode'];
            unset($header['statuscode']);
        } else {
            //未设置状态码,根据code值判断
            $code = $code >= 1000 || $code < 200 ? 200 : $code;
        }
        $response = Response::create($result, $type, $code)->header($header);
        throw new HttpResponseException($response);
    }

    //刷新Token
    protected function token()
    {
        $token = $this->request->param('__token__');
        //验证Token
        if (!Validate::make()->check(['__token__' => $token], ['__token__' => 'require|token'])) {
            $this->error('令牌错误！', '', ['__token__' => $this->request->token()]);
        }
        //刷新Token
        $this->request->token();
    }
}