<?php

declare(strict_types=1);

namespace App\Http\Controllers;

use App\Exception\ApiException;
use App\Repository\CardStatusRepository;
use App\Repository\ProjectRepository;
use Psr\Http\Message\ResponseInterface as Response;
use Psr\Http\Message\ServerRequestInterface as Request;

/**
 * Read-only listing of a project's card statuses. Statuses are seeded when the
 * project is created; there is no create/update/delete yet.
 */
final class CardStatusController extends Controller
{
    public function __construct(
        private readonly ProjectRepository $projects,
        private readonly CardStatusRepository $statuses,
    ) {
    }

    /**
     * GET /api/projects/{projectId}/statuses
     */
    public function index(Request $request, Response $response, array $args): Response
    {
        $projectId = $this->requireOwnedProjectId($request, $args);

        return $this->json($response, [
            'statuses' => array_map($this->present(...), $this->statuses->allForProject($projectId)),
        ]);
    }

    /**
     * @param array<string, string> $args
     */
    private function requireOwnedProjectId(Request $request, array $args): int
    {
        $project = $this->projects->findOwnedBy((int) $args['projectId'], $this->user($request)['id']);

        if ($project === null) {
            throw new ApiException('Project not found.', 404);
        }

        return $project['id'];
    }

    /**
     * @param array{id: int, project_id: int, name: string, position: int, created_at: string, updated_at: string} $status
     * @return array<string, mixed>
     */
    private function present(array $status): array
    {
        return [
            'id' => $status['id'],
            'project_id' => $status['project_id'],
            'name' => $status['name'],
            'position' => $status['position'],
        ];
    }
}