<?php declare(strict_types=1);

namespace korElf\CaptchaRuleForLaravel;

use Illuminate\Support\Facades\Validator;
use Illuminate\Support\ServiceProvider;
use Illuminate\Support\Facades\Blade;
use Illuminate\Contracts\Foundation\Application;

final class CaptchaProvider extends ServiceProvider
{
    public function boot(): Void
    {
        $this->addValidationRule();
        $this->publishes([
            __DIR__ . '/../config/captcha.php' => config_path('captcha.php'),
        ], 'config');

        if (config('captcha.enable_blade_captcha')) {
            Blade::directive('captcha', function () {
                return "<?php echo \korElf\CaptchaRuleForLaravel\htmlCaptcha(); ?>";
            });
        }
    }

    /**
     * Extends Validator to include a captcha type
     */
    public function addValidationRule(): Void
    {
        $message = trans(config('captcha.error_message_key'));
        Validator::extendImplicit(config('captcha.rule_name'), function ($attribute, $value) {
            if (!is_string($value)) {
                return false;
            }
            return app(CaptchaService::class)->validate($value, request()->userAgent());
        }, $message);
    }

    /**
     * Register the service provider.
     *
     * @return void
     */
    public function register(): Void
    {
        $this->mergeConfigFrom(
            __DIR__ . '/../config/captcha.php',
            'captcha'
        );

        $this->app->singleton(CaptchaService::class, function (Application $app) {
            return new CaptchaService(
                privateToken: config('captcha.api_private_token', ''),
                domainApi: config('captcha.api_domain', ''),
                curlTimeout: config('captcha.curl_timeout', ''),
            );
        });
    }
}