<?php
namespace Pecee\SimpleRouter\Route;

use Pecee\Http\Request;

class RouteGroup extends Route implements IGroupRoute
{
	protected $prefix;
	protected $name;
	protected $domains = [];
	protected $exceptionHandlers = [];

	/**
	 * Method called to check if a domain matches
	 *
	 * @param Request $request
	 * @return bool
	 */
	public function matchDomain(Request $request)
	{
		if (count($this->domains) > 0) {

			$max = count($this->domains);

			for ($i = 0; $i < $max; $i++) {

				$domain = $this->domains[$i];
				$parameters = $this->parseParameters($domain, $request->getHost(), '.*');

				if ($parameters !== null) {
					$this->parameters = $parameters;

					return true;
				}
			}

			return false;
		}

		return true;
	}

	/**
	 * Method called to check if route matches
	 *
	 * @param Request $request
	 * @return bool
	 */
	public function matchRoute(Request $request)
	{
		// Skip if prefix doesn't match
		if ($this->prefix !== null && stripos($request->getUri(), $this->prefix) === false) {
			return false;
		}

		return $this->matchDomain($request);
	}

	/**
	 * Set exception-handlers for group
	 *
	 * @param array $handlers
	 * @return static $this
	 */
	public function setExceptionHandlers(array $handlers)
	{
		$this->exceptionHandlers = $handlers;

		return $this;
	}

	/**
	 * Get exception-handlers for group
	 *
	 * @return array
	 */
	public function getExceptionHandlers()
	{
		return $this->exceptionHandlers;
	}

	/**
	 * Get allowed domains for domain.
	 *
	 * @return array
	 */
	public function getDomains()
	{
		return $this->domains;
	}

	/**
	 * Set allowed domains for group.
	 *
	 * @param array $domains
	 * @return $this
	 */
	public function setDomains(array $domains)
	{
		$this->domains = $domains;

		return $this;
	}

	/**
	 * @param string $prefix
	 * @return static
	 */
	public function setPrefix($prefix)
	{
		$this->prefix = '/' . trim($prefix, '/');

		return $this;
	}

	/**
	 * Set prefix that child-routes will inherit.
	 *
	 * @return string
	 */
	public function getPrefix()
	{
		return $this->prefix;
	}

	/**
	 * Merge with information from another route.
	 *
	 * @param array $values
	 * @param bool $merge
	 * @return static
	 */
	public function setSettings(array $values, $merge = false)
	{

		if (isset($values['prefix'])) {
			$this->setPrefix($values['prefix'] . $this->prefix);
		}

		if (isset($values['exceptionHandler'])) {
			$this->setExceptionHandlers((array)$values['exceptionHandler']);
		}

		if (isset($values['domain'])) {
			$this->setDomains((array)$values['domain']);
		}

		if (isset($values['as'])) {
			if ($this->name !== null && $merge !== false) {
				$this->name = $values['as'] . '.' . $this->name;
			} else {
				$this->name = $values['as'];
			}
		}

		parent::setSettings($values, $merge);

		return $this;
	}

	/**
	 * Export route settings to array so they can be merged with another route.
	 *
	 * @return array
	 */
	public function toArray()
	{
		$values = [];

		if ($this->prefix !== null) {
			$values['prefix'] = $this->getPrefix();
		}

		if ($this->name !== null) {
			$values['as'] = $this->name;
		}

		return array_merge($values, parent::toArray());
	}

}