<?php

declare(strict_types=1);

namespace App\Mcp\Tool\Project;

use App\Repository\ClientRepository;
use App\Repository\ProjectRepository;
use Doctrine\ORM\EntityManagerInterface;
use InvalidArgumentException;
use Mcp\Capability\Attribute\McpTool;

use function sprintf;

#[McpTool(name: 'update-project', description: 'Update an existing project. Only provided fields are changed.')]
class UpdateProjectTool
{
    public function __construct(
        private readonly ProjectRepository $projectRepository,
        private readonly ClientRepository $clientRepository,
        private readonly EntityManagerInterface $entityManager,
    ) {}

    public function __invoke(
        int $id,
        ?string $name = null,
        ?string $code = null,
        ?string $description = null,
        ?string $color = null,
        ?int $clientId = null,
        ?bool $archived = null,
    ): string {
        $project = $this->projectRepository->find($id);

        if (null === $project) {
            throw new InvalidArgumentException(sprintf('Project with ID %d not found.', $id));
        }

        if (null !== $name) {
            $project->setName($name);
        }
        if (null !== $code) {
            $project->setCode($code);
        }
        if (null !== $description) {
            $project->setDescription($description);
        }
        if (null !== $color) {
            $project->setColor($color);
        }
        if (null !== $clientId) {
            $client = $this->clientRepository->find($clientId);
            if (null === $client) {
                throw new InvalidArgumentException(sprintf('Client with ID %d not found.', $clientId));
            }
            $project->setClient($client);
        }
        if (null !== $archived) {
            $project->setArchived($archived);
        }

        $this->entityManager->flush();

        return json_encode([
            'id'          => $project->getId(),
            'code'        => $project->getCode(),
            'name'        => $project->getName(),
            'description' => $project->getDescription(),
            'color'       => $project->getColor(),
            'client'      => $project->getClient() ? [
                'id'   => $project->getClient()->getId(),
                'name' => $project->getClient()->getName(),
            ] : null,
            'archived' => $project->isArchived(),
        ]);
    }
}