<?php

namespace App\Http\Controllers\Auth;

use Illuminate\Foundation\Auth\RegistersUsers;
use Illuminate\Support\Facades\Validator;
use Illuminate\Http\Request;
use Illuminate\Auth\Events\Registered;
use Illuminate\Http\JsonResponse;
use App\Http\Controllers\Controller;
use App\Providers\RouteServiceProvider;
use App\Models\User;
use App\Models\Document;
use App\Rules\AllowNickname;
use App\Rules\NumberLength;
use App\Rules\SpecialCharLength;
use App\Rules\UppercaseLength;
use App\Rules\DeniedEmail;

class RegisterController extends Controller
{
    /*
    |--------------------------------------------------------------------------
    | Register Controller
    |--------------------------------------------------------------------------
    |
    | This controller handles the registration of new users as well as their
    | validation and creation. By default this controller uses a trait to
    | provide this functionality without requiring any additional code.
    |
    */

    use RegistersUsers;

    /**
     * Where to redirect users after registration.
     *
     * @var string
     */
    protected $redirectTo = RouteServiceProvider::HOME;

    /**
     * Create a new controller instance.
     *
     * @return void
     */
    public function __construct()
    {
        $this->middleware('guest');
    }

    /**
     * Show the application registration form.
     *
     * @return \Illuminate\View\View
     */
    public function showRegistrationForm()
    {
        // 개인정보처리방침
        $privacy = (new Document)->findByCode('privacy');

        // 비밀번호 조건 확인
        $passwordMinLength = config('password_min_length');
        $passwordUppercaseLength = config('password_uppercase_length');
        $passwordNumbersLength = config('password_numbers_length');
        $passwordSpecialcharsLength = config('password_specialchars_length');

        $passwordGuideTip = "";
        if($passwordMinLength > 0) {
            $passwordGuideTip .= sprintf('최소 %d자 이상, ', $passwordMinLength);
        }
        if($passwordUppercaseLength > 0) {
            $passwordGuideTip .= sprintf('대문자 %d자 이상, ', $passwordUppercaseLength);
        }
        if($passwordNumbersLength > 0) {
            $passwordGuideTip .= sprintf('숫자 %d자 이상, ', $passwordNumbersLength);
        }
        if($passwordSpecialcharsLength > 0) {
            $passwordGuideTip .= sprintf('특수문자 %d자 이상, ', $passwordSpecialcharsLength);
        }
        $passwordGuideTip = rtrim($passwordGuideTip, ', ');

        return view('auth.register', [
            'privacy' => $privacy,
            'passwordGuideTip' => $passwordGuideTip
        ]);
    }

    /**
     * Get a validator for an incoming registration request.
     *
     * @param  array  $data
     * @return \Illuminate\Contracts\Validation\Validator
     */
    protected function validator(array $data)
    {
        return Validator::make($data, [
            'email' => ['required', 'string', 'email', 'max:255', 'unique:users,email', new DeniedEmail],
            'nickname' => ['required', 'string', 'unique:users,nickname', 'min:2', 'max:20', new AllowNickname],
            'password' => ['required', 'string', 'min:' . config('password_min_length', 4), 'confirmed', new NumberLength, new SpecialCharLength, new UppercaseLength],
            'agree_1' => 'required|numeric|in:1',
            'agree_2' => 'required|numeric|in:2'
        ], [], [
            'email' => '이메일',
            'nickname' => '닉네임',
            'password' => '비밀번호',
            'agree_1' => '이용약관 동의',
            'agree_2' => '개인정보처리방침 동의'
        ]);
    }

    /**
     * Create a new user instance after a valid registration.
     *
     * @param  array  $data
     * @return \App\Models\User
     */
    protected function create(array $data): mixed
    {
        return (new User)->register($data);
    }

    /**
     * Handle a registration request for the application.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\RedirectResponse|\Illuminate\Http\JsonResponse
     */
    public function register(Request $request)
    {
        // 회원가입 차단 확인
        if(config('use_register_block')) {
            return back()->withErrors('현재 회원 신청이 차단되어 회원가입을 할 수 없습니다. 관리자에게 문의하십시오.');
        }

        $this->validator($request->all())->validate();

        event(new Registered($user = $this->create($request->all())));

        $this->guard()->login($user);

        if ($response = $this->registered($request, $user)) {
            return $response;
        }

        return $request->wantsJson()
            ? new JsonResponse([], 201)
            : redirect($this->redirectPath());
    }
}