<?php

namespace App\Endpoint\Api\Http\Controllers\Auth;

use App\Constants\Device;
use App\Endpoint\Api\Http\Controllers\Controller;
use App\Endpoint\Api\Http\Requests\RegisterRequest;
use App\Exceptions\BizException;
use App\Helpers\PhoneNumber;
use App\Models\SmsCode;
use App\Models\User;
use App\Services\SmsCodeService;
use Illuminate\Support\Arr;
use Illuminate\Support\Facades\DB;
use Throwable;

class RegisterController extends Controller
{
    /**
     * 注册
     *
     * @param \App\Endpoint\Api\Http\Requests\RegisterRequest $request
     * @param \App\Services\SmsCodeService $smsCodeService
     * @return \Illuminate\Http\JsonResponse
     */
    public function __invoke(RegisterRequest $request, SmsCodeService $smsCodeService)
    {
        $input = $request->validated();

        $smsCodeService->validate(
            $input['phone'],
            SmsCode::TYPE_REGISTER,
            $input['verify_code']
        );

        $time = now();
        $ip = $request->realIp();
        $inviter = $this->findUserByCode((string) Arr::get($input, 'code'));

        try {
            DB::beginTransaction();

            $user = User::create(
                array_merge($input, [
                    'phone_verified_at' => $time,
                    'register_ip' => $ip,
                    'last_login_at' => $time,
                    'last_login_ip' => $ip,
                ]),
                $inviter
            );

            DB::commit();
        } catch (Throwable $e) {
            DB::rollBack();

            report($e);

            throw new BizException(__('Registration failed, please try again'));
        }

        return response()->json(
            $user->createDeviceToken(Device::UNIAPP)
        );
    }

    /**
     * 通过邀请码搜索用户
     *
     * @param string $code
     * @return \App\Models\User|null
     *
     * @throws \App\Exceptions\BizException
     */
    protected function findUserByCode(string $code): ?User
    {
        if ($code === '') {
            return null;
        }

        $user = User::when(PhoneNumber::validate($code), function ($query) use ($code) {
            $query->where('phone', $code);
        }, function ($query) use ($code) {
            $query->whereRelation('userInfo', 'code', $code);
        })->first();

        if ($user === null) {
            throw new BizException(__('Inviter does not exist'));
        }

        return $user;
    }
}