<?php

namespace App\Services\Security;

use App\Services\Security\Captcha\CaptchaProviderInterface;
use App\Services\Security\Captcha\HcaptchaCaptchaProvider;
use App\Services\Security\Captcha\RecaptchaCaptchaProvider;
use App\Services\Security\Captcha\TurnstileCaptchaProvider;

class CaptchaVerifier
{
    public function __construct(
        private readonly TurnstileCaptchaProvider $turnstileProvider,
        private readonly RecaptchaCaptchaProvider $recaptchaProvider,
        private readonly HcaptchaCaptchaProvider $hcaptchaProvider,
    ) {
    }

    public function provider(): string
    {
        $configured = strtolower(trim((string) config('forum_bot_protection.captcha.provider', 'turnstile')));

        return match ($configured) {
            'recaptcha' => 'recaptcha',
            'hcaptcha' => 'hcaptcha',
            default => 'turnstile',
        };
    }

    public function isEnabled(): bool
    {
        return $this->resolveProvider()->isEnabled();
    }

    public function inputName(): string
    {
        $configured = trim((string) config('forum_bot_protection.captcha.input', ''));

        if ($configured !== '') {
            return $configured;
        }

        return $this->resolveProvider()->inputName();
    }

    public function verify(string $token, ?string $ip = null): bool
    {
        return $this->resolveProvider()->verify($token, $ip);
    }

    public function frontendConfig(): array
    {
        $provider = $this->resolveProvider();

        return [
            'provider' => $provider->name(),
            'siteKey' => $provider->isEnabled() ? $provider->siteKey() : '',
            'inputName' => $this->inputName(),
            'scriptUrl' => $provider->isEnabled() ? $provider->scriptUrl() : '',
        ];
    }

    private function resolveProvider(): CaptchaProviderInterface
    {
        return match ($this->provider()) {
            'recaptcha' => $this->recaptchaProvider,
            'hcaptcha' => $this->hcaptchaProvider,
            default => $this->turnstileProvider,
        };
    }
}