<?php

declare(strict_types=1);

namespace Scape\Tests;

use PHPUnit\Framework\TestCase;
use Scape\Engine;
use Scape\Interfaces\HostProviderInterface;

class HostProviderTest extends TestCase
{
    public function testHostNamespaceDelegation(): void
    {
        $mockProvider = new class implements HostProviderInterface {
            public function has(string $name): bool {
                return in_array($name, ['version', 'translate']);
            }
            public function call(string $name, array $args = []): mixed {
                if ($name === 'version') return '1.0.0';
                if ($name === 'translate') {
                    $key = $args[0] ?? '';
                    $lang = $args[1] ?? 'en';
                    return "Translated '$key' to $lang";
                }
                return null;
            }
        };

        $engine = new Engine();
        $engine->registerHostProvider($mockProvider);

        $templatesDir = __DIR__ . '/../templates';
        file_put_contents($templatesDir . '/tests/host_test.scape.php', 
            'Version: {{ host.version }}' . "\n" .
            'i18n: {{ host.translate(\'welcome\', \'fr\') }}' . "\n" .
            'Var arg: {{ host.translate(my_key) }}'
        );

        $output = $engine->render('tests.host_test', ['my_key' => 'hello']);

        $this->assertStringContainsString('Version: 1.0.0', $output);
        $this->assertStringContainsString('i18n: Translated &apos;welcome&apos; to fr', $output);
        $this->assertStringContainsString('Var arg: Translated &apos;hello&apos; to en', $output);

        unlink($templatesDir . '/tests/host_test.scape.php');
    }
}