<?php

namespace app\controller\api;

use app\service\{Tool};
use app\validate\{User as Vuser};
use think\facade\Db;
use think\exception\ValidateException;
use app\model\{User};
use think\Exception;
use think\facade\Config;

//登录
class Login extends Base
{
    protected function initialize()
    {
        parent::initialize();
    }

    /**
     * 获取openid
     */
    public function getOpenId()
    {
        Config::load('extra/wechat', 'wechat');
        $config = config('wechat');
        $code = $this->request->param('code/s');
        $appId = $config["appId"];//appid
        $appSecret = $config["appSecret"];//appsecret
        $url = 'https://api.weixin.qq.com/sns/jscode2session?appid=' . $appId . '&secret=' . $appSecret . '&js_code=' . $code . '&grant_type=authorization_code';
        $datas = json_decode(Tool::httpRequest($url, "get"), true);
        //返回状态
        if (isset($datas["openid"])) {
            return $this->json(0, "ok", $datas);
        }
        return $this->json(1, "null");
    }


    /**
     * 小程序用户登录 创建用户或更新用户信息
     */
    public function wechatMiniLogin()
    {
        $data = [];
        $data['openid'] = $this->request->post('openid/s');//微信用户openid
        $data['headimgurl'] = $this->request->post('avatarUrl/s');//微信头像
        $data['nickname'] = $this->request->post('nickName/s');//用户昵称

        try {
            validate(Vuser::class)->check($data);
        } catch (ValidateException $e) {
            return $this->json(1, "异常请求");
        }

        $user = User::getByOpenid($data['openid']);
        $time = time();
        $token_close_time = $time + User::TokenCloseTime;
        $data["login_ip"] = $this->request->ip();
        $data["last_login"] = $time;
        $data["token_close_time"] = $token_close_time;
        $data["token"] = md5($data["openid"] . $time . randomStr(1, 16));

        Db::startTrans();
        try {
            //如果没有注册过 就添加
            if (!empty($user)) {
                User::create($data);
            } else {
                User::updateById($user['id'], $data);
            }
            //提交事务
            Db::commit();
            return $this->json(0, "ok", [
                "token" => $data["token"],
            ]);
        } catch (Exception $e) {
            Db::rollback();
            return $this->json(2, $e->getMessage());
        }

    }


}