<?php

declare(strict_types=1);

namespace Akeneo\Pim\Enrichment\Component\Error\Documentation;

/**
 * @author    Willy Mesnage <willy.mesnage@akeneo.com>
 * @copyright 2020 Akeneo SAS (http://www.akeneo.com)
 * @license   http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */
class RouteMessageParameter implements MessageParameterInterface
{
    /** @var string */
    private $title;

    /** @var string */
    private $route;

    /** @var array<string, mixed> */
    private $routeParameters;

    /**
     * @param array<string, mixed> $routeParameters
     */
    public function __construct(string $title, string $route, array $routeParameters = [])
    {
        $this->title = $title;
        if (1 !== preg_match('/^[a-z_]+$/', $route)) {
            throw new \InvalidArgumentException(sprintf(
                'The provided route must be composed by a-z or _ characters only, "%s" given.',
                $route
            ));
        }
        $this->route = $route;
        foreach ($routeParameters as $key => $parameter) {
            if (!is_string($key) || !(is_string($parameter) || is_numeric($parameter))) {
                throw new \InvalidArgumentException(sprintf(
                    '$routeParameter argument from "%s" class must be an associative array of string.',
                    self::class
                ));
            }
        }
        $this->routeParameters = $routeParameters;
    }

    /**
     * @return array{
     *  type: MessageParameterTypes::ROUTE,
     *  route: string,
     *  routeParameters: array<string, mixed>,
     *  title: string
     * }
     */
    public function normalize(): array
    {
        return [
            'type' => MessageParameterTypes::ROUTE,
            'route' => $this->route,
            'routeParameters' => $this->routeParameters,
            'title' => $this->title,
        ];
    }
}