symplely/http

<?php

declare(strict_types=1);

namespace Async\Http;

use Async\Http\SetCookie;
use Psr\Http\Message\ResponseInterface;

class SetCookies
{
    /**
     * The name of the Set-Cookie header.
     */
    public const SET_COOKIE_HEADER = 'Set-Cookie';

    /** @var SetCookie[] */
    private $setCookies = [];

    public function __construct(array $setCookies = [])
    {
        foreach ($setCookies as $setCookie) {
            $this->setCookies[$setCookie->getName()] = $setCookie;
        }
    }

    public function has(string $name): bool
    {
        return isset($this->setCookies[$name]);
    }

    public function get(string $name): ?SetCookie
    {
        if (!$this->has($name)) {
            return null;
        }

        return $this->setCookies[$name];
    }

    public function getAll(): array
    {
        return \array_values($this->setCookies);
    }

    public function with(SetCookie $setCookie): SetCookies
    {
        $clone = clone ($this);

        $clone->setCookies[$setCookie->getName()] = $setCookie;

        return $clone;
    }

    public function without(string $name): SetCookies
    {
        $clone = clone ($this);

        if (!$clone->has($name)) {
            return $clone;
        }

        unset($clone->setCookies[$name]);

        return $clone;
    }

    /**
     * Put SetCookies into a Response.
     */
    public function intoHeader(ResponseInterface $response): ResponseInterface
    {
        $response = $response->withoutHeader(self::SET_COOKIE_HEADER);
        foreach ($this->setCookies as $setCookie) {
            $response = $response->withAddedHeader(self::SET_COOKIE_HEADER, (string) $setCookie);
        }

        return $response;
    }

    /**
     * Create SetCookies from a collection of SetCookie header value strings.
     *
     * @param array $setCookieStrings
     * @return SetCookies
     */
    public static function fromStrings(array $setCookieStrings): self
    {
        return new self(\array_map(function (string $setCookieString): SetCookie {
            return SetCookie::fromString($setCookieString);
        }, $setCookieStrings));
    }

    /**
     * Create SetCookies from a Response.
     */
    public static function fromResponse(ResponseInterface $response): SetCookies
    {
        return new static(\array_map(function (string $setCookieString): SetCookie {
            return SetCookie::fromString($setCookieString);
        }, $response->getHeader(self::SET_COOKIE_HEADER)));
    }
}