<?php


class BertaContent extends BertaBase {

	public static function getSites($published = true) {
		$sArr = array();

		$xmlFile = self::$options['XML_SITES_ROOT'] . self::$options['sites.xml'];

		if (file_exists($xmlFile)) {
			$xmlStr = file_get_contents($xmlFile);

			if($xmlStr) {
				$xmlFeed = Array_XML::xml2array($xmlStr, 'sites', true);
				if(isset($xmlFeed['site']) && is_array($xmlFeed['site'])) {
					Array_XML::makeListIfNotList($xmlFeed['site']);
					foreach($xmlFeed['site'] as $s) {
						if( $published || (isset($s['@attributes']['published']) && $s['@attributes']['published']) ) {
							if(!empty($s['name']['value']) && trim($s['name']['value']) != '') {
								$sArr[trim($s['name']['value'])] = $s;
							}else{
								$sArr[] = $s;
							}
						}
					}
				}
			}
		//create main site element if no XML exists
		}else{

			$sArr[] = array(
				'@attributes' => array('published'=>1),
				'name' => NULL,
				'title' => array('value' => 'Main site')
			);

		}
		return $sArr;
	}

	public static function getSite($options) {
		$site = '';
		$apacheRewriteUsed = !empty($_REQUEST['__rewrite']);

		if ($apacheRewriteUsed){
			$urlStr = $_SERVER['REQUEST_URI'];
			if(strpos($urlStr, $options['SITE_ABS_ROOT']) === 0) $urlStr = substr($urlStr, strlen($options['SITE_ABS_ROOT']) - 1);
			$urlArr = explode('/', $urlStr);

			if( isset($urlArr[1]) && array_key_exists($urlArr[1], $options['MULTISITES']) ) {
				$site = $urlArr[1];
			}
		}elseif ( !empty($_REQUEST['site']) && array_key_exists($_REQUEST['site'], $options['MULTISITES']) ) {
			$site = $_REQUEST['site'];
		}

		return $site;
	}

	public static function getSections() {
		$sArr = array();

		if(file_exists(self::$options['XML_ROOT'] . self::$options['sections.xml'])) {
			$xmlStr = file_get_contents(self::$options['XML_ROOT'] . self::$options['sections.xml']);

			if($xmlStr) {
				$xmlFeed = Array_XML::xml2array($xmlStr, 'sections', true);
				if(isset($xmlFeed['section']) && is_array($xmlFeed['section'])) {
					Array_XML::makeListIfNotList($xmlFeed['section']);
					foreach($xmlFeed['section'] as $s) {
						if(!empty($s['name']['value']) && trim($s['name']['value']) != '')
							$sArr[trim($s['name']['value'])] = $s;
					}
				}
			}
		}
		return $sArr;
	}

	public static function getUniqueSectionSlug($oldSlug, $title, $sectionsList){

		$notUnique = true;
		$title = trim($title);

		if (strlen($title) < 1) {
			return '';
		}

		$slug = strtolower(BertaUtils::canonizeString($title, '-', '\._-', true));

		unset($sectionsList[$oldSlug]);
		$existingSections = array_map('strval', array_keys($sectionsList));

		$slug = $slug ? $slug : '_';

		$i = 1;
		while ( $notUnique  ) {
			if ( in_array($slug, $existingSections) ) {
				$slug = preg_replace('/(^.*?)+([\-])+([0-9])+$/', '$1', $slug);
				$slug .= '-' . $i;

				$i++;
			}else{
				$notUnique = false;
			}
		}

		return $slug;
	}

	public static function loadBlog($sName) {

		if($sName) {
			$fileName = self::$options['XML_ROOT'] . str_replace('%', $sName, self::$options['blog.%.xml']);
			if(file_exists($fileName)) {
				$xmlStr = file_get_contents($fileName);
				$xmlFeed = array();

				if($xmlStr) {
					$xmlFeed = Array_XML::xml2array($xmlStr, 'blog', true);
					if(!empty($xmlFeed['entry']) && is_array($xmlFeed['entry']) && empty($xmlFeed['entry'][0])) $xmlFeed['entry'] = array(0 => $xmlFeed['entry']);
				}
				return $xmlFeed;
			}
		}

		return false;
	}

	public static function &getEntry($entryId, &$blog) {
		foreach($blog['entry'] as $eId => $e) {
			if($eId === '@attributes') continue;
			if($e['id']['value'] == $entryId) {
				return $blog['entry'][$eId];
			}
		}

		$retVal = false;
		return $retVal;
	}

	public static function &getEntryByUId($entryUId, &$blog) {
		foreach($blog['entry'] as $eId => $e) {
			if($eId === '@attributes') continue;
			if($e['uniqid']['value'] == $entryUId)
				return $blog['entry'][$eId];
		}

		$retVal = false;
		return $retVal;
	}


	/* ---------------------------------------------------------------------------------------------------------------------- */
	/*  S U B   S E C T I O N S                                                                                                         */
	/* ---------------------------------------------------------------------------------------------------------------------- */

	public static function getTags() {
		$ssArr = array();
		$tagsCacheFile = self::$options['XML_ROOT'] . self::$options['tags.xml'];

		$xmlStr = file_exists($tagsCacheFile) ? file_get_contents($tagsCacheFile) : '';
		if($xmlStr) {
			$xmlFeed = Array_XML::xml2array($xmlStr, 'sections', true);

			if(isset($xmlFeed['section']) && is_array($xmlFeed['section'])) {
				Array_XML::makeListIfNotList($xmlFeed['section']);
				foreach($xmlFeed['section'] as $section) {
					$name = !empty($section['@attributes']['name']) ? $section['@attributes']['name'] : false;
					if($name && isset($section['tag']) && is_array($section['tag'])) {
						Array_XML::makeListIfNotList($section['tag']);
						$ssArr[$name] = array();
						foreach($section['tag'] as $subSection) {
							if(!empty($subSection['@attributes']['name']) && !empty($subSection['value']))
							$ssArr[$name][$subSection['@attributes']['name']] = array(
								'title' => $subSection['value'],
								'entry_count' => !empty($subSection['@attributes']['entry_count']) ? $subSection['@attributes']['entry_count'] : 0
							);
						}
					}
				}
			}
		}

		return $ssArr;
	}


	// getXEmpty is in fact and editor function, but because of the way it is used, it lives in BertaContent

	public static function getXEmpty($property) {
		$xEmpty = 'xEmpty';
		return self::$options['logged_in'] ? ('<span class="' . $xEmpty . '">&nbsp;' . $property . '&nbsp;</span>') : '';
	}


}


?>