<?php

declare(strict_types=1);

namespace LIT\MCP\Tests\Unit\Abilities;

use LIT\MCP\Abilities\Errors;
use LIT\MCP\Tests\Unit\TestCase;

final class ErrorsTest extends TestCase
{
    public function testMessageCarriesCodeMessageHintAndFieldsAsJson(): void
    {
        $error = Errors::invalidInput('Titel fehlt.', ['title' => 'Pflichtfeld']);

        self::assertSame('lit_validation_failed', $error->get_error_code());
        $payload = json_decode($error->get_error_message(), true);
        self::assertSame('validation_failed', $payload['code']);
        self::assertSame('Titel fehlt.', $payload['message']);
        self::assertNotSame('', $payload['hint']);
        self::assertSame(['title' => 'Pflichtfeld'], $payload['fields']);
        self::assertSame(400, $error->get_error_data()['status']);
        self::assertSame($payload['hint'], $error->get_error_data()['hint']);
    }

    public function testUmlautsStayReadableInTheMessage(): void
    {
        $error = Errors::forbidden('Dein Benutzerkonto ist für LIT MCP nicht freigegeben.');

        self::assertStringContainsString('für LIT MCP nicht freigegeben', $error->get_error_message());
    }

    public function testInUseCarriesTheUsages(): void
    {
        $error = Errors::inUse('Bild wird verwendet.', [['post_id' => 7, 'where' => 'featured']]);

        $payload = json_decode($error->get_error_message(), true);
        self::assertSame('lit_in_use', $error->get_error_code());
        self::assertSame(7, $payload['usages'][0]['post_id']);
    }

    public function testEveryFactoryUsesLitPrefixAndANonEmptyHint(): void
    {
        $errors = [
            Errors::forbidden('x'),
            Errors::notFound('x'),
            Errors::revMismatch(),
            Errors::confirmRequired('x'),
            Errors::unsupported('x', 'y'),
            Errors::internal(),
        ];

        foreach ($errors as $error) {
            self::assertStringStartsWith('lit_', $error->get_error_code());
            self::assertNotSame('', json_decode($error->get_error_message(), true)['hint']);
        }
    }
}