<?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 Matomo\Dependencies\McpServer\Mcp\Schema\Request;

use Matomo\Dependencies\McpServer\Mcp\Exception\InvalidArgumentException;
use Matomo\Dependencies\McpServer\Mcp\Schema\JsonRpc\Request;
/**
 * Used by the client to invoke a tool provided by the server.
 *
 * @author Kyrian Obikwelu <koshnawaza@gmail.com>
 */
final class CallToolRequest extends Request
{
    /**
     * @param string               $name      the name of the tool to invoke
     * @param array<string, mixed> $arguments the arguments to pass to the tool
     */
    public function __construct(public readonly string $name, public readonly array $arguments)
    {
    }
    public static function getMethod() : string
    {
        return 'tools/call';
    }
    protected static function fromParams(?array $params) : static
    {
        if (!isset($params['name']) || !\is_string($params['name'])) {
            throw new InvalidArgumentException('Missing or invalid "name" parameter for tools/call.');
        }
        $arguments = $params['arguments'] ?? [];
        if ($arguments instanceof \stdClass) {
            $arguments = (array) $arguments;
        }
        if (!\is_array($arguments)) {
            throw new InvalidArgumentException('Parameter "arguments" must be an array.');
        }
        return new self($params['name'], $arguments);
    }
    /**
     * @return array{name: string, arguments: array<string, mixed>}
     */
    protected function getParams() : array
    {
        return ['name' => $this->name, 'arguments' => $this->arguments ?: new \stdClass()];
    }
}
