<?php

/*
 * This file is part of the official PHP MCP SDK.
 *
 * A collaboration between Symfony and the PHP Foundation.
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Mcp\Example\Server\CustomDependencies\Service;

final class SystemStatsService implements StatsServiceInterface
{
    public function __construct(
        private readonly TaskRepositoryInterface $taskRepository,
    ) {
    }

    public function getSystemStats(): array
    {
        $allTasks = $this->taskRepository->getAllTasks();
        $completed = \count(array_filter($allTasks, static fn ($task) => $task['completed']));
        $pending = \count($allTasks) - $completed;

        return [
            'total_tasks' => \count($allTasks),
            'completed_tasks' => $completed,
            'pending_tasks' => $pending,
            'server_uptime_seconds' => time() - $_SERVER['REQUEST_TIME_FLOAT'], // Approx uptime for CLI script
        ];
    }
}