<?php
namespace Pecee\Http;

use Pecee\Http\Input\Input;

class Request
{
	protected $data = array();
	protected $headers;
	protected $host;
	protected $uri;
	protected $method;
	protected $input;

	public function __construct()
	{
		$this->parseHeaders();
		$this->input = new Input($this);

		$this->host = $this->getHeader('http-host');;
		$this->uri = $this->getHeader('request-uri');
		$this->method = strtolower($this->input->post->findFirst('_method', $this->getHeader('request-method')));
	}

	protected function parseHeaders()
	{
		$this->headers = array();

		foreach ($_SERVER as $name => $value) {
			$this->headers[strtolower($name)] = $value;
			$this->headers[strtolower(str_replace('_', '-', $name))] = $value;
		}
	}

	public function isSecure()
	{
		if ($this->getHeader('http-x-forwarded-proto') === 'https' || $this->getHeader('https') !== null || $this->getHeader('server-port') === 443) {
			return true;
		}

		return false;
	}

	/**
	 * @return string
	 */
	public function getUri()
	{
		return $this->uri;
	}

	/**
	 * @return string
	 */
	public function getHost()
	{
		return $this->host;
	}

	/**
	 * @return string
	 */
	public function getMethod()
	{
		return $this->method;
	}

	/**
	 * Get http basic auth user
	 * @return string|null
	 */
	public function getUser()
	{
		return $this->getHeader('php-auth-user');
	}

	/**
	 * Get http basic auth password
	 * @return string|null
	 */
	public function getPassword()
	{
		return $this->getHeader('php-auth-pw');
	}

	/**
	 * Get all headers
	 * @return array
	 */
	public function getHeaders()
	{
		return $this->headers;
	}

	/**
	 * Get id address
	 * @return string
	 */
	public function getIp()
	{
		if ($this->getHeader('http-cf-connecting-ip') !== null) {
			return $this->getHeader('http-cf-connecting-ip');
		}

		if ($this->getHeader('http-x-forwarded-for') !== null && strlen($this->getHeader('http-x-forwarded-for'))) {
			return $this->getHeader('http-x-forwarded_for');
		}

		return $this->getHeader('remote-addr');
	}

	/**
	 * Get referer
	 * @return string
	 */
	public function getReferer()
	{
		return $this->getHeader('http-referer');
	}

	/**
	 * Get user agent
	 * @return string
	 */
	public function getUserAgent()
	{
		return $this->getHeader('http-user-agent');
	}

	/**
	 * Get header value by name
	 *
	 * @param string $name
	 * @param object|null $defaultValue
	 *
	 * @return string|null
	 */
	public function getHeader($name, $defaultValue = null)
	{
		return isset($this->headers[strtolower($name)]) ? $this->headers[strtolower($name)] : $defaultValue;
	}

	/**
	 * Get input class
	 * @return Input
	 */
	public function getInput()
	{
		return $this->input;
	}

	/**
	 * Is format accepted
	 *
	 * @param string $format
	 *
	 * @return bool
	 */
	public function isFormatAccepted($format)
	{
		return ($this->getHeader('http-accept') !== null && stripos($this->getHeader('http-accept'), $format) > -1);
	}

	/**
	 * Get accept formats
	 * @return array
	 */
	public function getAcceptFormats()
	{
		return explode(',', $this->getHeader('http-accept'));
	}

	/**
	 * @param string $uri
	 */
	public function setUri($uri)
	{
		$this->uri = $uri;
	}

	/**
	 * @param string $host
	 */
	public function setHost($host)
	{
		$this->host = $host;
	}

	/**
	 * @param string $method
	 */
	public function setMethod($method)
	{
		$this->method = $method;
	}

	public function __set($name, $value = null)
	{
		$this->data[$name] = $value;
	}

	public function __get($name)
	{
		return isset($this->data[$name]) ? $this->data[$name] : null;
	}

}