<?php

namespace App\Http\Controllers\Web\Auth;

use App\Http\Controllers\Controller;
use App\Repositories\Member\MemberAuthRepository;
use App\Rules\RecaptchaV3Rule;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Validator;

class RegisterController extends Controller
{
    public function showStep0()
    {
        return view('web.auth.register');
    }

    public function showTerms(Request $request)
    {
        // Step0 스킵 방지 (최소)
        if (($request->session()->get('signup.step') ?? 0) < 1) {
            return redirect()->route('web.auth.register');
        }

        return view('web.auth.register_terms');
    }


    public function postPhoneCheck(Request $request, MemberAuthRepository $repo)
    {
        $v = Validator::make($request->all(), [
            'phone' => ['required', 'string', 'max:20'],
            'g-recaptcha-response' => ['required', new RecaptchaV3Rule('register_phone_check')],
        ], [
            'phone.required' => '휴대폰 번호를 입력해 주세요.',
            'g-recaptcha-response.required' => '보안 검증에 실패했습니다. 다시 시도해 주세요.',
        ]);

        if ($v->fails()) {
            return response()->json(['ok' => false, 'message' => $v->errors()->first()], 422);
        }

        $ip4 = $request->ip() ?: '';
        $result = $repo->step0PhoneCheck((string)$request->input('phone'), $ip4);

        if (!$result['ok']) {
            $status = ($result['reason'] ?? '') === 'blocked' ? 403 : 422;
            return response()->json(['ok' => false, 'message' => $result['message'] ?? '처리 실패'], $status);
        }

        if (($result['reason'] ?? '') === 'already_member') {
            return response()->json([
                'ok' => true,
                'reason' => 'already_member',
                'redirect' => route('web.auth.find_id'),
            ]);
        }

        $request->session()->put('signup.phone', $result['phone']);
        $request->session()->put('signup.step', 1);
        $request->session()->put('signup.ip4', $ip4);
        $request->session()->put('signup.ip4_c', $repo->ipToCClass($ip4));
        $request->session()->put('signup.checked_at', now()->toDateTimeString());

        return response()->json([
            'ok' => true,
            'reason' => 'ok',
            'redirect' => route('web.auth.register.terms'),
        ]);
    }

}