<?php

namespace App\Livewire\Ui\System\Modal;

use App\Services\TotpService;
use Illuminate\Support\Facades\Auth;
use LivewireUI\Modal\ModalComponent;

class TotpSetupModal extends ModalComponent
{
    public string $step   = 'scan';  // scan → verify → codes
    public string $code   = '';
    public string $secret = '';
    public array  $recoveryCodes = [];
    public string $qrSvg  = '';

    public static function modalMaxWidth(): string { return 'md'; }

    public function mount(): void
    {
        $totp = app(TotpService::class);
        $this->secret = $totp->generateSecret();
        $this->qrSvg  = $totp->qrCodeSvg(Auth::user(), $this->secret);
    }

    public function verify(): void
    {
        $this->validate(['code' => 'required|digits:6']);

        $totp = app(TotpService::class);

        if (!$totp->verify($this->secret, $this->code)) {
            $this->addError('code', 'Ungültiger Code. Bitte erneut versuchen.');
            return;
        }

        $this->recoveryCodes = $totp->enable(Auth::user(), $this->secret);
        $this->step = 'codes';
    }

    public function done(): void
    {
        $this->dispatch('toast', type: 'done', badge: '2FA',
            title: 'TOTP aktiviert',
            text: 'Zwei-Faktor-Authentifizierung ist jetzt aktiv.', duration: 5000);
        $this->dispatch('2fa-status-changed');
        $this->closeModal();
    }

    public function render()
    {
        return view('livewire.ui.system.modal.totp-setup-modal');
    }
}