<?php
/**
 * @package     Joomla.Platform
 * @subpackage  MediaWiki
 *
 * @copyright   Copyright (C) 2005 - 2017 Open Source Matters, Inc. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE
 */

defined('JPATH_PLATFORM') or die;

/**
 * MediaWiki API Search class for the Joomla Platform.
 *
 * @since  12.3
 */
class JMediawikiSearch extends JMediawikiObject
{
	/**
	 * Method to perform a full text search.
	 *
	 * @param   string   $srsearch     Search for all page titles (or content) that has this value.
	 * @param   array    $srnamespace  The namespace(s) to enumerate.
	 * @param   string   $srwhat       Search inside the text or titles.
	 * @param   array    $srinfo       What metadata to return.
	 * @param   array    $srprop       What properties to return.
	 * @param   boolean  $srredirects  Include redirect pages in the search.
	 * @param   integer  $sroffest     Use this value to continue paging.
	 * @param   integer  $srlimit      How many total pages to return.
	 *
	 * @return  object
	 *
	 * @since   12.3
	 */
	public function search($srsearch, array $srnamespace = null, $srwhat = null, array $srinfo = null, array $srprop = null,
		$srredirects = null, $sroffest = null, $srlimit = null)
	{
		// Build the request.
		$path = '?action=query&list=search';

		if (isset($srsearch))
		{
			$path .= '&srsearch=' . $srsearch;
		}

		if (isset($srnamespace))
		{
			$path .= '&srnamespace=' . $this->buildParameter($srnamespace);
		}

		if (isset($srwhat))
		{
			$path .= '&srwhat=' . $srwhat;
		}

		if (isset($srinfo))
		{
			$path .= '&srinfo=' . $this->buildParameter($srinfo);
		}

		if (isset($srprop))
		{
			$path .= '&srprop=' . $this->buildParameter($srprop);
		}

		if ($srredirects)
		{
			$path .= '&srredirects=';
		}

		if (isset($sroffest))
		{
			$path .= '&sroffest=' . $sroffest;
		}

		if (isset($srlimit))
		{
			$path .= '&srlimit=' . $srlimit;
		}

		// Send the request.
		$response = $this->client->get($this->fetchUrl($path));

		return $this->validateResponse($response);
	}

	/**
	 * Method to search the wiki using opensearch protocol.
	 *
	 * @param   string   $search     Search string.
	 * @param   integer  $limit	     Maximum amount of results to return.
	 * @param   array    $namespace  Namespaces to search.
	 * @param   string   $suggest    Do nothing if $wgEnableOpenSearchSuggest is false.
	 * @param   string   $format     Output format.
	 *
	 * @return  object
	 *
	 * @since   12.3
	 */
	public function openSearch($search, $limit = null, array $namespace = null, $suggest = null, $format = null)
	{
		// Build the request.
		$path = '?action=query&list=search';

		if (isset($search))
		{
			$path .= '&search=' . $search;
		}

		if (isset($limit))
		{
			$path .= '&limit=' . $limit;
		}

		if (isset($namespace))
		{
			$path .= '&namespace=' . $this->buildParameter($namespace);
		}

		if (isset($suggest))
		{
			$path .= '&suggest=' . $suggest;
		}

		if (isset($format))
		{
			$path .= '&format=' . $format;
		}

		// Send the request.
		$response = $this->client->get($this->fetchUrl($path));

		return $this->validateResponse($response);
	}
}
