File Core/Schema/Sampling/ToolChoice.php

1:	<?php
2:
3:	declare(strict_types=1);
4:
5:	/**
6:	* This file is part of the Nexus MCP SDK package.
7:	*
8:	* (c) 2026 John Paul E. Balandan, CPA <paulbalandan@gmail.com>
9:	*
10:	* For the full copyright and license information, please view
11:	* the LICENSE file that was distributed with this source code.
12:	*/
13:
14:	namespace Nexus\Mcp\Core\Schema\Sampling;
15:
16:	use Nexus\Mcp\Core\Schema\Arrayable;
17:	use Nexus\Mcp\Core\Schema\Enum\ToolChoiceMode;
18:	use Nexus\Mcp\Core\Validation\EnumValueValidator;
19:
20:	/**
21:	* Controls tool selection behavior for sampling requests.
22:	*
23:	* @implements Arrayable<array{mode?: value-of<ToolChoiceMode>}>
24:	*
25:	* @see https://modelcontextprotocol.io/specification/2025-11-25/schema#toolchoice
26:	*/
27:	final readonly class ToolChoice implements Arrayable
28:	{
29:	public function __construct(public ?ToolChoiceMode $mode = null)
30:	{
31:	}
32:
33:	/**
34:	* @param array<string, mixed> $data
35:	*/
36:	#[\Override]
37:	public static function fromArray(array $data): static
38:	{
39:	$mode = null;
40:
41:	if (\array_key_exists('mode', $data)) {
42:	$mode = EnumValueValidator::parse(ToolChoiceMode::class, $data['mode'], '"toolChoice.mode"');
43:	}
44:
45:	return new self($mode);
46:	}
47:
48:	#[\Override]
49:	public function toArray(): array
50:	{
51:	if (null === $this->mode) {
52:	return [];
53:	}
54:
55:	return ['mode' => $this->mode->value];
56:	}
57:
58:	#[\Override]
59:	public function jsonSerialize(): array\|\stdClass
60:	{
61:	$data = $this->toArray();
62:
63:	return [] === $data ? new \stdClass() : $data;
64:	}
65:	}
66: