<?php

declare(strict_types=1);

namespace App\Framework\Async;

use App\Framework\Core\ValueObjects\Duration;
use App\Framework\DateTime\Clock;
use App\Framework\DateTime\Timer;
use Fiber;

/**
 * Factory für häufig verwendete asynchrone Operationen
 */
final readonly class AsyncOperationFactory
{
    public function __construct(
        private FiberManager $fiberManager,
        private Clock $clock,
        private Timer $timer
    ) {
    }

    /**
     * Erstellt eine asynchrone Dateileseoperation
     */
    public function readFile(string $path): Fiber
    {
        return $this->fiberManager->async(
            fn () => file_get_contents($path) ?: throw new \RuntimeException("Failed to read file: $path")
        );
    }

    /**
     * Erstellt eine asynchrone Dateischreiboperation
     */
    public function writeFile(string $path, string $content): Fiber
    {
        return $this->fiberManager->async(
            fn () => file_put_contents($path, $content) ?: throw new \RuntimeException("Failed to write file: $path")
        );
    }

    /**
     * Erstellt eine asynchrone Verzeichnisleseoperation
     */
    public function listDirectory(string $path): Fiber
    {
        return $this->fiberManager->async(
            fn () => scandir($path) ?: throw new \RuntimeException("Failed to list directory: $path")
        );
    }

    /**
     * Erstellt eine asynchrone HTTP-Request-Operation (Platzhalter)
     */
    public function httpRequest(string $url, array $options = []): Fiber
    {
        return $this->fiberManager->async(function () use ($url, $options) {
            // Hier würde eine echte HTTP-Client-Integration stehen
            // Für jetzt nur ein Platzhalter
            return ['url' => $url, 'options' => $options, 'response' => 'async response'];
        });
    }

    /**
     * Erstellt eine asynchrone Datenbank-Query-Operation (Platzhalter)
     */
    public function databaseQuery(string $query, array $params = []): Fiber
    {
        return $this->fiberManager->async(function () use ($query, $params) {
            // Hier würde eine echte Datenbank-Integration stehen
            return ['query' => $query, 'params' => $params, 'result' => 'async db result'];
        });
    }

    /**
     * Erstellt eine asynchrone Sleep-Operation
     * @deprecated Use sleepDuration() instead
     */
    public function sleep(float $seconds): Fiber
    {
        return $this->sleepDuration(Duration::fromSeconds($seconds));
    }

    /**
     * Create async sleep operation using Duration
     */
    public function sleepDuration(Duration $duration): Fiber
    {
        return $this->fiberManager->async(function () use ($duration) {
            $this->timer->sleep($duration);

            return $duration;
        });
    }

    /**
     * Measure execution time of an operation
     */
    public function measureExecution(callable $operation): Fiber
    {
        return $this->fiberManager->async(function () use ($operation) {
            $startTime = $this->clock->time();
            $result = $operation();
            $endTime = $this->clock->time();
            $duration = $startTime->diff($endTime);

            return [
                'result' => $result,
                'duration' => $duration,
                'start_time' => $startTime,
                'end_time' => $endTime,
                'milliseconds' => $duration->toMilliseconds(),
            ];
        });
    }

    /**
     * Create operation with timeout
     */
    public function withTimeout(callable $operation, Duration $timeout): Fiber
    {
        return $this->fiberManager->async(function () use ($operation, $timeout) {
            return $this->fiberManager->withTimeoutDuration($operation, $timeout);
        });
    }
}