<?php

declare(strict_types=1);

namespace LIT\MCP\Tests\Unit\Abilities;

use LIT\MCP\Abilities\FollowUp;
use LIT\MCP\Tests\Unit\TestCase;
use RuntimeException;

final class FollowUpTest extends TestCase
{
    public function testReturnsTheResultOfASuccessfulStep(): void
    {
        $warnings = [];

        self::assertSame(7, FollowUp::run(static fn (): int => 7, 'ctx', 'Warnung', $warnings));
        self::assertSame([], $warnings);
    }

    public function testAFailingStepIsLoggedAndBecomesAWarning(): void
    {
        $log = (string) tempnam(sys_get_temp_dir(), 'lit-mcp-log');
        $previous = ini_set('error_log', $log);
        $warnings = ['alt'];

        try {
            $result = FollowUp::run(
                static function (): void {
                    throw new RuntimeException('hook kaputt');
                },
                'lit/content-create after_save',
                'Warnung',
                $warnings
            );
        } finally {
            ini_set('error_log', (string) $previous);
        }

        self::assertNull($result);
        self::assertSame(['alt', 'Warnung'], $warnings);
        self::assertStringContainsString('lit/content-create after_save', (string) file_get_contents($log));
        self::assertStringContainsString('hook kaputt', (string) file_get_contents($log));
        unlink($log);
    }
}