<?php

namespace App\Http\Controllers\Web;

use App\Http\Controllers\Controller;
use App\Http\Requests\Register\RegisterUserRequest;
use App\Mail\MailVerifyAccount;
use App\Models\UserLevel;
use App\Repositories\UserRepository;
use App\Services\FormSpamGuard;
use App\Services\UserService;
use App\Services\Util;
use App\User;
use Illuminate\Http\RedirectResponse;
use Illuminate\Support\Facades\Mail;

class RegisterController extends Controller
{
    protected $userRepo;

    /**
     * Create a new controller instance.
     *
     * @return void
     */
    public function __construct(UserRepository $userRepo, private FormSpamGuard $spamGuard)
    {
        $this->userRepo = $userRepo;
    }

    public function index()
    {
        if (config('app.debug')) {
            \Log::channel('domain')->debug('RegisterController: index - Session user_shop', [
                'session_user_shop_id' => \Session::get('user_shop')?->id,
                'session_user_shop_name' => \Session::get('user_shop')?->name,
                'session_user_shop_user_id' => \Session::get('user_shop')?->user_id,
                'session_id' => \Session::getId(),
                'session_domain' => config('session.domain'),
                'request_host' => request()->getHost(),
                'all_session_keys' => array_keys(\Session::all()),
            ]);
        }

        $data = [
            'turnstile_site_key' => config('services.turnstile.site_key'),
            'form_token' => old(FormSpamGuard::TIMESTAMP_FIELD, $this->spamGuard->makeFormToken()),
            'user_shop' => Util::getUserShop(),
            'yard_instance' => 'webshop',
        ];

        return view('web.templates.registrierung', $data);
    }

    public function member($member_id = false)
    {
        if (! $member_id) {
            return redirect('/registrierung');
        }
        if (! $this->findActiveSponsor($member_id)) {
            return redirect('/registrierung');
        }
        $data = [
            'turnstile_site_key' => config('services.turnstile.site_key'),
            'form_token' => old(FormSpamGuard::TIMESTAMP_FIELD, $this->spamGuard->makeFormToken()),
            'user_shop' => Util::getUserShop(),
            'from_member_id' => $member_id,
            'yard_instance' => 'webshop',
        ];

        return view('web.templates.registrierung', $data);
    }

    public function register(RegisterUserRequest $request): RedirectResponse
    {
        if ($blockReason = $this->spamGuard->blockReason($request)) {
            FormSpamGuard::log($request, 'register', $blockReason);

            return redirect('/registrierung/finish');
        }

        $user_shop = Util::getUserShop();
        $data = $request->validated();
        $data['lang'] = ! empty(\App::getLocale()) ? \App::getLocale() : 'de';
        $user = $this->userRepo->create($data);

        $confirmation_code = UserService::createConfirmationCode();
        $m_sponsor_id = 1;
        if ($user_shop) {
            $m_sponsor_id = $user_shop->user->id;
        }
        if (filled($data['from_member_id'] ?? null) && $sponsor = $this->findActiveSponsor($data['from_member_id'])) {
            $m_sponsor_id = $sponsor->id;
        }
        $user->confirmation_code = $confirmation_code;
        $user->confirmation_code_to = date('Y-m-d H:i:s', strtotime('+1 week'));
        $user->confirmation_code_remider = 0;
        $user->m_sponsor = $m_sponsor_id;

        $UserLevel = UserLevel::where('default', 1)->first();
        if ($UserLevel) {
            $user->m_level = $UserLevel->id;
        } else {
            $user->m_level = 10;
        }

        $user->save();

        $user->account->data_protection = now();
        $user->account->save();

        Mail::to($user->email)->locale($user->getLocale())->send(new MailVerifyAccount($confirmation_code, User::find($user->id)));

        return redirect('/registrierung/finish');
    }

    public function finish()
    {
        $data = [
            'user_shop' => Util::getUserShop(),
            'yard_instance' => 'webshop',
        ];

        return view('web.templates.registrierung_finish', $data);
    }

    /**
     * Löst eine Partner-Nummer (z. B. "m1234") zu einem aktiven Berater auf.
     */
    private function findActiveSponsor(string $memberId): ?User
    {
        $userId = (int) str_replace('m', '', $memberId) - config('mivita.add_number_id');
        $user = User::find($userId);

        if (! $user || ! $user->isActive() || ! $user->isActiveAccount()) {
            return null;
        }

        return $user;
    }
}