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<?php declare(strict_types = 1);
/**
 * Copyright (c) 2017 Holger Woltersdorf & Contributors
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 */
namespace IceHawk\IceHawk\Routing;
use IceHawk\IceHawk\Constants\HandlerMethodInterfaceMap;
use IceHawk\IceHawk\Exceptions\UnresolvedRequest;
use IceHawk\IceHawk\Routing\Interfaces\ProvidesDestinationInfo;
use IceHawk\IceHawk\Routing\Interfaces\RoutesToWriteHandler;
/**
 * Class WriteRouter
 * @package IceHawk\IceHawk\Routing
 */
final class WriteRouter extends AbstractRouter
{
    /**
     * @param ProvidesDestinationInfo $destinationInfo
     *
     * @throws UnresolvedRequest
     * @return RoutesToWriteHandler
     */
    public function findMatchingRoute( ProvidesDestinationInfo $destinationInfo ) : RoutesToWriteHandler
    {
        $requiredHandlerType = HandlerMethodInterfaceMap::HTTP_METHODS[ $destinationInfo->getRequestMethod() ];
        $uri                 = $destinationInfo->getUri();
        foreach ( $this->getRoutes() as $route )
        {
            if ( !($route instanceof RoutesToWriteHandler) )
            {
                continue;
            }
            if ( $route->matches( $uri ) && $route->getRequestHandler() instanceof $requiredHandlerType )
            {
                return $route;
            }
        }
        throw (new UnresolvedRequest())->withDestinationInfo( $destinationInfo );
    }
}