<?php

namespace Minormous\Dispatch;

use Psr\Http\Message\ResponseInterface;

use Psr\Http\Message\ServerRequestInterface;

use Psr\Http\Server\MiddlewareInterface;

use Psr\Http\Server\RequestHandlerInterface;

class MiddlewareCollection implements MiddlewareInterface

{

/**

* Create a new dispatcher.

*

* @param array $middleware

*

* @return static

*/

public static function make(array $middleware = [])

{

return new static($middleware);

}

/**

* @var array

*/

private $middleware = [];

/**

* @param array $middleware

*/

public function __construct(array $middleware = [])

{

array_map([$this, 'append'], $middleware);

}

/**

* Add a middleware to the end of the stack.

*

* @param MiddlewareInterface $middleware

*

* @return void

*/

public function append(MiddlewareInterface $middleware)

{

array_push($this->middleware, $middleware);

}

/**

* Add a middleware to the beginning of the stack.

*

* @param MiddlewareInterface $middleware

*

* @return void

*/

public function prepend(MiddlewareInterface $middleware)

{

array_unshift($this->middleware, $middleware);

}

/**

* Dispatch the middleware stack.

*

* @param ServerRequestInterface $request

* @param callable $default to call when no middleware is available

*

* @return ResponseInterface

*/

public function dispatch(ServerRequestInterface $request, callable $default)

{

$handler = new Handler($this->middleware, $default);

return $handler->handle($request);

}

public function process(ServerRequestInterface $request, RequestHandlerInterface $nextContainerHandler): ResponseInterface

{

$default = new HandlerProxy($nextContainerHandler);

$handler = new Handler($this->middleware, $default);

return $handler->handle($request);

}

}