<?php

namespace Modules\Google2FA\Http\Controllers\Api;

use App\Api\Controllers\Controller;
use Exception;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Jason\Api\Api;
use Modules\Google2FA\Models\Google2FA;
use Modules\User\Facades\Sms;

class SecretController extends Controller
{
    protected ?Google2FA $google2fa;

    /**
     * @throws Exception
     */
    protected function needInitialize()
    {
        $this->google2fa = Api::user()->google2fa;
        if (blank($this->google2fa)) {
            throw new Exception('必须先初始化密钥');
        }
    }

    /**
     * Notes   : 短信验证码校验
     *
     * @Date   : 2022/12/2 12:12
     * @Author : <Jason.C>
     * @throws Exception
     */
    protected function checkSmsVerify(): void
    {
        $verify = request('verify');
        if (strlen($verify) != Sms::getConfig('length')) {
            throw new Exception('请输入短信验证码');
        }
        $check = Sms::checkCode(Api::user()->getUsername(), $verify, 'G2FA');
        if (! $check) {
            throw new Exception('短信验证码不正确');
        }
    }

    /**
     * Notes   : 校验两步验证码
     *
     * @Date   : 2022/12/2 12:23
     * @Author : <Jason.C>
     * @return void
     * @throws Exception
     */
    public function checkG2FAVerify(): void
    {
        $this->needInitialize();
        $code = request('code');

        if (strlen($code) != 6) {
            throw new Exception('请输入动态口令');
        }
        if (! $this->google2fa->verify($code)) {
            if (config('app.debug')) {
                throw new Exception('动态口令不正确'.app('g2fa')->getCurrentOtp($this->google2fa->google2fa_secret));
            } else {
                throw new Exception('动态口令不正确');
            }
        }
    }

    /**
     * Notes   : 获取密钥-需要短信
     *
     * @Date   : 2022/12/1 14:31
     * @Author : <Jason.C>
     * @return JsonResponse
     * @throws Exception
     */
    public function index(): JsonResponse
    {
        $this->needInitialize();
        $this->checkSmsVerify();

        return $this->success($this->google2fa->google2fa_secret);
    }

    /**
     * Notes   : 获取密钥二维码地址-需要短信
     *
     * @Date   : 2022/12/1 14:31
     * @Author : <Jason.C>
     * @return JsonResponse
     * @throws Exception
     */
    public function qrCodeUrl(): JsonResponse
    {
        $this->needInitialize();
        $this->checkSmsVerify();

        return $this->success($this->google2fa->getQrCodeUrl());
    }

    /**
     * Notes   : 开启两步验证-需要短信
     *
     * @Date   : 2022/12/1 15:42
     * @Author : <Jason.C>
     * @return JsonResponse
     * @throws Exception
     */
    public function open(): JsonResponse
    {
        $this->needInitialize();
        if ($this->google2fa->status) {
            return $this->failed('请勿重复开启');
        }

        $this->checkSmsVerify();

        if ($this->google2fa->open()) {
            return $this->success('两步验证开启成功');
        } else {
            return $this->failed('开启失败');
        }
    }

    /**
     * Notes   : 关闭两步验证-需要短信-需要动态口令
     *
     * @Date   : 2022/12/2 12:20
     * @Author : <Jason.C>
     * @return JsonResponse
     * @throws Exception
     */
    public function close(): JsonResponse
    {
        $this->needInitialize();
        if (! $this->google2fa->status) {
            return $this->failed('请勿重复关闭');
        }
        $this->checkSmsVerify();
        $this->checkG2FAVerify();

        if ($this->google2fa->close()) {
            return $this->success('关闭两步验证成功');
        } else {
            return $this->failed('关闭两步验证失败');
        }
    }

    /**
     * Notes   : 更新密钥-需要短信-需要动态口令
     *
     * @Date   : 2022/12/1 15:29
     * @Author : <Jason.C>
     * @return JsonResponse
     * @throws Exception
     */
    public function update(): JsonResponse
    {
        $this->needInitialize();
        $this->checkSmsVerify();
        $this->checkG2FAVerify();

        if ($this->google2fa->upgrade()) {
            return $this->success('更新成功');
        } else {
            return $this->failed('更新失败');
        }
    }
}