<?php

namespace app\api\controller;

use think\Controller;
use think\Db;
use think\facade\Cache;
use think\Request;

/**
 * api 入口文件基类，需要控制权限的控制器都应该继承该类
 */
class ApiController extends Controller
{
	protected $middleware  = [
		'CrossDomain'
	];

	use SendController;

	/** 成功码 */
	const SUCCESS = 200;

	/** 错误码：传递参数提示1xxxxxx; 数据验证提示2xxxxx; 业务提示3xxxxx; */
	const ERR_EMPTY_PARAM          = 10000;
	const ERR_PASSWORD_EMPTY_PARAM = 10001;
	const ERR_ACCOUNT_EMPTY_PARAM  = 10002;
	const ERR_EMPTY_INPUT          = 10003;
	const ERR_NOT_AGREE_PROTOCOL   = 10004;
	const ERR_USER_PASSWORD        = 20000;
	const ERR_USER_TOKEN_INVALID   = 40000;
	const ERR_NONE                 = 40001;
	const ERR_DENY                 = 40002;
	const ERR_UPLOAD_FILE          = 40003;
	const ERR_ILLEGAL              = 40004;
	const ERR_EMPLOYEE_BALANCE     = 40005;
	const ERR_SMS_SEND             = 40006;
	const ERR_ERROR_PARAM          = 40007;
	const ERR_VERSION_MUST_UPGRADE = 40008;
	const ERR_USER_TOKEN_EXPIRE    = 400013;
	const ERR_USER_REFRESH_TOKEN_EXPIRE    = 40014;
	const ERR_USER_TOKEN    = 40015;
	const ERR_ACCESS_TOKEN = 40016;
	const ERR_APPID = 40017;
	const ERR_ORDER_STATUS_ERROR = 80001;

	/** 信息提示 */
	const message = [
		'SUCCESS' => "成功",

		'ERR_EMPTY_PARAM'          => "参数丢失",
		'ERR_EMPTY_INPUT'          => "请输入",
		'ERR_PASSWORD_EMPTY_PARAM' => "请输入密码",
		'ERR_ACCOUNT_EMPTY_PARAM'  => "请输入手机号",
		'ERR_ACCOUNT_PASSWORD'     => "请输入正确的手机号和密码",
		'ERR_USER_HAVE_LOCKED'     => "账号已被冻结",
		'ERR_USER_TOKEN_INVALID'   => "请先登录",
		'ERR_USER_TOKEN_EXPIRE'    => "TOKEN已过期",
		'ERR_USER_TOKEN'           => "REFRESH_TOKEN错误",
		'ERR_USER_REFRESH_TOKEN_EXPIRE'    => "REFRESH_TOKEN已过期",
		'ERR_ACCESS_TOKEN'         => "access_token不存在或为空",
		'ERR_APPID'                => "appid错误",
		'ERR_NONE'                 => "系统错误",
		'ERR_DENY'                 => "拒绝请求",
		'ERR_UPLOAD_FILE'          => "文件上传失败，请重试",
		'ERR_SMS_SEND'             => "短信发送失败，请重试",
		'ERR_ILLEGAL'              => "非法请求",
		'ERR_EMPLOYEE_BALANCE'     => "用户账户异常",
		'ERR_ERROR_PARAM'          => "参数异常",
		'ERR_ORDER_STATUS_ERROR'   => "订单状态异常",
	];


    public static function getMessage($error)
    {
        return self::message[$error];
    }


    /**
     * @var \think\Request Request实例
     */
    protected $request;

    protected $clientInfo;

    protected $uid;

    /**
     * 不需要鉴权方法
     */
    protected $noAuth = [];


    /**
     * 构造方法
     * @param  Request  $request  Request对象
     */
    public function __construct(Request $request)
    {
        parent::__construct();
		//初始化系统常量
		$system_constant = Cache::get("SYSTEM_CONSTANT");
		if (!$system_constant) {
			$list = Db::name('constants')->column("param_value","param_name");
			$system_constant = array();
			foreach ($list as $k => $v) {
				$system_constant[$k] = json_decode($v,true);
			}
			Cache::set('SYSTEM_CONSTANT', $system_constant,120);
		}
		//注意区别于缓存，config方式只对当前请求有效
		config('SYSTEM_CONSTANT',$system_constant);
        $this->request = $request;
        $this->init();
        if(isset($this->clientInfo['client'])){
			$this->uid       = $this->clientInfo['client']['id'];
			$this->clientInfo = $this->clientInfo['client'];
		}
    }


    /**
     * 初始化
     * 检查请求类型，数据格式等
     */
    public function init()
    {
		//所有ajax请求的options预请求都会直接返回200，如果需要单独针对某个类中的方法，可以在路由规则中进行配置
		if ($this->request->isOptions()) {
			return self::returnMsg(200, 'success');
		}
		$oauth = app('app\api\controller\OauthController');   //tp5.1容器，直接绑定类到容器进行实例化
		$user_info = $oauth->authenticate();
		if (!$oauth->match($this->noAuth)) {
			if($user_info){
				if(isset($user_info['refresh_expires_time']) && $user_info['refresh_expires_time'] < time()){
					return self::returnMsg(self::ERR_USER_REFRESH_TOKEN_EXPIRE,self::getMessage('ERR_USER_REFRESH_TOKEN_EXPIRE'),[]);
				}
				if(!isset($user_info['expires_time']) || $user_info['expires_time'] < time()){
					return self::returnMsg(self::ERR_USER_TOKEN_EXPIRE,self::getMessage('ERR_USER_TOKEN_EXPIRE'),[]);
				}
				$getCacheAccessToken = $oauth->certification($oauth::getClient());
				if(!$getCacheAccessToken){
					return self::returnMsg(self::ERR_ACCESS_TOKEN,self::getMessage('ERR_ACCESS_TOKEN'),[]);
				}
				$this->clientInfo = $user_info;
				return $this->clientInfo;
			}
			return self::returnMsg(self::ERR_USER_TOKEN_INVALID,self::getMessage('ERR_USER_TOKEN_INVALID'));
		}
		$this->clientInfo = $user_info;
		return $this->clientInfo;
    }
}