<?php

namespace PSX\Http;

use InvalidArgumentException;
use Psr\Http\Message\StreamInterface as PsrStreamInterface;

/**
 * Message
 *
 * @author  Christoph Kappestein <christoph.kappestein@gmail.com>
 * @license http://www.apache.org/licenses/LICENSE-2.0
 * @link    http://phpsx.org
 */
class Message implements MessageInterface
{
    /** @var array */
    protected $headers;

    /** @var \Psr\Http\Message\StreamInterface */
    protected $body;

    /** @var string */
    protected $protocol;

    /**
     * @param array $headers
     * @param \Psr\Http\Message\StreamInterface|string|resource $body
     */
    public function __construct(array $headers = array(), $body = null)
    {
        $this->headers = $this->prepareHeaders($headers);
        $this->body    = $this->prepareBody($body);
    }

    public function getProtocolVersion()
    {
        return $this->protocol;
    }

    public function setProtocolVersion($protocol)
    {
        $this->protocol = $protocol;
    }

    public function getHeaders()
    {
        return $this->headers;
    }

    public function setHeaders(array $headers)
    {
        $this->headers = $this->prepareHeaders($headers);
    }

    public function hasHeader($name)
    {
        return array_key_exists(strtolower($name), $this->headers);
    }

    public function getHeader($name)
    {
        $lines = $this->getHeaderLines($name);

        return $lines ? implode(', ', $lines) : null;
    }

    public function getHeaderLines($name)
    {
        $name = strtolower($name);

        if (!$this->hasHeader($name)) {
            return array();
        }

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

    public function setHeader($name, $value)
    {
        $this->headers[strtolower($name)] = $this->normalizeHeaderValue($value);
    }

    public function addHeader($name, $value)
    {
        $name = strtolower($name);

        if ($this->hasHeader($name)) {
            $this->setHeader($name, array_merge($this->headers[$name], $this->normalizeHeaderValue($value)));
        } else {
            $this->setHeader($name, $value);
        }
    }

    public function removeHeader($name)
    {
        $name = strtolower($name);

        if ($this->hasHeader($name)) {
            unset($this->headers[$name]);
        }
    }

    public function getBody()
    {
        return $this->body;
    }

    public function setBody(PsrStreamInterface $body)
    {
        $this->body = $body;
    }

    protected function prepareHeaders(array $headers)
    {
        return array_map(array($this, 'normalizeHeaderValue'), array_change_key_case($headers));
    }

    protected function normalizeHeaderValue($value)
    {
        return is_array($value) ? array_map('strval', $value) : [(string) $value];
    }

    protected function prepareBody($body)
    {
        if ($body instanceof PsrStreamInterface) {
            return $body;
        } elseif ($body === null) {
            return new Stream\StringStream();
        } elseif (is_string($body)) {
            return new Stream\StringStream($body);
        } elseif (is_resource($body)) {
            return new Stream\TempStream($body);
        } else {
            throw new InvalidArgumentException('Body must be either a PSX\Http\StreamInterface, string or resource');
        }
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MzE3NTM2NTY2MzI4ODc0NiAyMjA1NzkzMzc1NDkyNTM3IDE0NDcwMjg3NTg5NDE0NTM=