<?php
/**
 * @package Helpers
 * @category Concrete
 * @author Andrew Embler <andrew@concrete5.org>
 * @copyright  Copyright (c) 2003-2008 Concrete5. (http://www.concrete5.org)
 * @license    http://www.concrete5.org/license/     MIT License
 */

/**
 * Functions for use with the C5 dashboard.
 * @package Helpers
 * @category Concrete
 * @author Andrew Embler <andrew@concrete5.org>
 * @copyright  Copyright (c) 2003-2008 Concrete5. (http://www.concrete5.org)
 * @license    http://www.concrete5.org/license/     MIT License
 */

defined('C5_EXECUTE') or die("Access Denied.");
class ConcreteDashboardHelper {

	/** 
	 * Checks to see if a user has access to the C5 dashboard.
	 */
	public function canRead() {
		$c = Page::getByPath('/dashboard', 'ACTIVE');
		$cp = new Permissions($c);
		return $cp->canViewPage();
	}
	
	
	public function canAccessComposer() {
		$c = Page::getByPath('/dashboard/composer', 'ACTIVE');
		$cp = new Permissions($c);
		return $cp->canViewPage();
	}

	/**
	 * Test if the current path is within the dashboard.
	 * Optionally, a Page or path can be passed to test.
	 * 
	 * @param  Page | string $page (optional)
	 * @return [boolean]
	 */
	public function inDashboard($page = false) {
		if ($page instanceof Page && !$page->isError()) {
			$path = $page->getCollectionPath();
		} elseif (is_string($page)) {
			$path = $page;
		} else {
			$request = Request::get();
			$path = $request->getRequestCollectionPath();
		}
		return ($path == '/dashboard' || strpos($path, '/dashboard/') === 0);
	}
	
	public function getDashboardPaneFooterWrapper($includeDefaultBody = true) {
		$html = '</div></div></div></div>';
		if ($includeDefaultBody) {
			$html .= '</div>';
		}
		return $html;
	}
	
	public function getDashboardPaneHeaderWrapper($title = false, $help = false, $span = 'span12', $includeDefaultBody = true, $navigatePages = array(), $upToPage = false, $favorites = true) {
		
		$spantotal = 12;
		$offset = preg_match('/offset([0-9]+)/i', $span, $offsetmatches);
		if ($offset) {
			$offsettotal = $offsetmatches[1];
			$hasspan = preg_match('/span([0-9]+)/i', $span, $spanmatches);
			if ($hasspan) {
				$spantotal = $spanmatches[1];
				$gridtotal = ($offsettotal * 2) + $spantotal;
			}
		}
		
		if ($gridtotal > 12) {
			// we are working with legacy bootstrap 16-column grid
			// we take the offset and then we subtract from the span
			$spantotal = $spantotal - ($gridtotal - 12);
			$spantotal .= ' offset' . $offsettotal;
			$span = 'span' . $spantotal;
		}
		
		$html = '<div class="ccm-ui"><div class="row"><div class="' . $span . '"><div class="ccm-pane">';
		$html .= self::getDashboardPaneHeader($title, $help, $navigatePages, $upToPage, $favorites);
		if ($includeDefaultBody) {
			$html .= '<div class="ccm-pane-body ccm-pane-body-footer">';
		}
		return $html;
	}
	
	public function getDashboardPaneHeader($title = false, $help = false, $navigatePages = array(), $upToPage = false, $favorites = true) {
		$c = Page::getCurrentPage();
		$vt = Loader::helper('validation/token');
		$token = $vt->generate('access_quick_nav');

		$currentMenu = array();
		$nh = Loader::helper('navigation');
		$trail = $nh->getTrailToCollection($c);
		if (count($trail) > 1 || (is_array($navigatePages) && count($navigatePages)) > 1 || is_object($upToPage)) { 
			$parent = Page::getByID($c->getCollectionParentID());
			if (count($trail) > 1 && (!is_object($upToPage))) {
				$upToPage = Page::getByID($parent->getCollectionParentID());
			}
			Loader::block('autonav');
			$subpages = array();
			if ($navigatePages !== -1) { 
				if (is_array($navigatePages) && count($navigatePages) > 0) { 
					$subpages = $navigatePages;
				} else { 
					$subpages = AutonavBlockController::getChildPages($parent);
				}
			}
			
			$subpagesP = array();
			if(is_array($subpages)) {
				foreach($subpages as $sc) {
					$cp = new Permissions($sc);
					if ($cp->canViewPage()) { 
						$subpagesP[] = $sc;
					}
				}
			}
			
			if (count($subpagesP) > 0 || is_object($upToPage)) { 
				$relatedPages = '<ul id="ccm-page-navigate-pages-content" class="dropdown-menu">';
		
				foreach($subpagesP as $sc) { 
					if ($sc->getAttribute('exclude_nav')) {
						continue;
					}
		
					if ($c->getCollectionPath() == $sc->getCollectionPath() || (strpos($c->getCollectionPath(), $sc->getCollectionPath()) == 0) && strpos($c->getCollectionPath(), $sc->getCollectionPath()) !== false) {
						$class= 'nav-selected';
					} else {
						$class = '';
					}
					
					$relatedPages .= '<li class="' . $class . '"><a href="' . $nh->getLinkToCollection($sc, false, true) . '">' . t($sc->getCollectionName()) . '</a></li>';
				}
		
				if ($upToPage) { 
					$relatedPages .= '<li class="ccm-menu-separator"></li>';
					$relatedPages .= '<li><a href="' . $nh->getLinkToCollection($upToPage, false, true) . '">' . t('&lt; Back to %s', t($upToPage->getCollectionName())) . '</a></li>';
				}
				$relatedPages .= '</ul>';
				$navigateTitle = t($parent->getCollectionName());
			}
		}
		

		$html = '<div class="ccm-pane-header">';
		
		$class = 'ccm-icon-favorite';
		$qn = ConcreteDashboardMenu::getMine();
		$quicknav = $qn->getItems(false);
		if (in_array($c->getCollectionPath(), $quicknav)) {
			$class = 'ccm-icon-favorite-selected';	
		}
		$html .= '<ul class="ccm-pane-header-icons">';
		if (!$help) {
			$ih = Loader::helper('concrete/interface/help');
			$pageHelp = $ih->getPages();
			if (isset($pageHelp[$c->getCollectionPath()])) {
				$help = $pageHelp[$c->getCollectionPath()];
			}
		}
		
		if (is_array($help)) {
			$help = $help[0] . '<br/><br/><a href="' . $help[1] . '" class="btn small" target="_blank">' . t('Learn More') . '</a>';
		}
		
		if (isset($relatedPages)) { 
			$html .= '<li><a href="" class="ccm-icon-navigate-pages" data-toggle="dropdown" title="' . $navigateTitle . '" id="ccm-page-navigate-pages">' . t('Help') . '</a>' . $relatedPages . '</li>';
		}
		
		if ($help) {
			$html .= '<li><span style="display: none" id="ccm-page-help-content">' . $help . '</span><a href="javascript:void(0)" class="ccm-icon-help" title="' . t('Help') . '" id="ccm-page-help">' . t('Help') . '</a></li>';
		}
		
		if ($favorites) {
		$html .= '<li><a href="javascript:void(0)" id="ccm-add-to-quick-nav" onclick="ccm_toggleQuickNav(' . $c->getCollectionID() . ',\'' . $token . '\')" class="' . $class . '">' . t('Add to Favorites') . '</a></li>';
		}

		$html .= '<li><a href="javascript:void(0)" onclick="ccm_closeDashboardPane(this)" class="ccm-icon-close">' . t('Close') . '</a></li>';
		$html .= '</ul>';
		if (!$title) {
			$title = $c->getCollectionName();
		}
		$html .= '<h3>' . $title . '</h3>';
		$html .= '</div>';
		return $html;
	}
	
	public function getDashboardBackgroundImage() {
		$feed = array();
		// this feed is an array of standard PHP objects with a SRC, a caption, and a URL
		// allow for a custom white-label feed
		$filename = date('Ymd') . '.jpg';
		$obj = new stdClass;
		$obj->checkData = false;
		$obj->displayCaption = false;
		
		if (defined('WHITE_LABEL_DASHBOARD_BACKGROUND_FEED') && WHITE_LABEL_DASHBOARD_BACKGROUND_FEED != '') {
			$image = WHITE_LABEL_DASHBOARD_BACKGROUND_FEED . '/' . $filename;
		} else if (defined('WHITE_LABEL_DASHBOARD_BACKGROUND_SRC') && WHITE_LABEL_DASHBOARD_BACKGROUND_SRC != '') {
			$image = WHITE_LABEL_DASHBOARD_BACKGROUND_SRC;
			if ($image == 'none') {
				$image = '';
			}
		} else {
			$imageSetting = Config::get('DASHBOARD_BACKGROUND_IMAGE');
			if ($imageSetting == 'custom') {
				$fo = File::getByID(Config::get('DASHBOARD_BACKGROUND_IMAGE_CUSTOM_FILE_ID'));
				if (is_object($fo)) {
					$image = $fo->getRelativePath();
				}
			} else if ($imageSetting == 'none') {
				$image = '';
			} else { 
				if (isset($_SERVER['HTTPS']) && ($_SERVER['HTTPS'] == 'on')) {
					$image = DASHBOARD_BACKGROUND_FEED_SECURE . '/' . $filename;
				} else {
					$image = DASHBOARD_BACKGROUND_FEED . '/' . $filename;
				}
				$obj->displayCaption = true;
				$obj->checkData = true;
			}
		}
		$obj->filename = $filename;
		$obj->image = $image;
		return $obj;
	}
	
	public function addQuickNavToMenus($html) {
		$recent = '';
		ob_start();		

			$c = Page::getCurrentPage();
			if (!is_array($_SESSION['ccmQuickNavRecentPages'])) {
				$_SESSION['ccmQuickNavRecentPages'] = array();
			}

			$session_pages = array_filter($_SESSION['ccmQuickNavRecentPages']);
			$session_pages[] = $c->getCollectionID();

			// Remove duplicates, making sure the most recent is kept.
			$session_pages = array_reverse(array_unique(array_reverse($session_pages)));

			// Tidy and eliminate non-existent collections, prep for later
			$breadcrumb_map = array();
			$last = 0;
			if (count($session_pages) > 0) {
				foreach($session_pages as $_cID) {
					$_c = Page::getByID($_cID);
					if ($_c->isError()) {
						continue;
					}
					$breadcrumb_map[$_cID] = $_c;
					$last = $_cID;
				}
			}
			// limit size, keeping numeric keys constant
			$max_breadcrumb_size = 5;
			// (NB - by using the above, the way is kept open for the size to be adjustable in the future)
			if (count($breadcrumb_map) > $max_breadcrumb_size) {
				$breadcrumb_map = array_slice($breadcrumb_map,-$max_breadcrumb_size, null, true);
			}

			$_SESSION['ccmQuickNavRecentPages'] = array_keys($breadcrumb_map);

			if (count($breadcrumb_map) > 0) { ?>
				<ul class="breadcrumb">
				<li><strong><?php echo t('Recent')?></strong> <span class="divider">:</span></li>
				<?php 
				// create links
				foreach($breadcrumb_map as $_cID=>$_c) {
					$name = t('(No Name)');
					if ($_c->getCollectionName()) {
						$name = $_c->getCollectionName();
					}
					$divider = '';
					if ($_cID != $last) {
						$divider = '<span class="divider">/</span>';
					}
					?> <li><a id="ccm-recent-page-<?php echo $_c->getCollectionID()?>" href="<?php echo Loader::helper('navigation')->getLinkToCollection($_c)?>"><?php echo t($name)?></a><?php echo $divider?></li>
					<?php 
				}
				?>
				</ul>
				<?php
			}
		$recent = ob_get_contents();
		ob_end_clean();
		$html = str_replace("<!--recent-->", $recent, $html);		
		return str_replace(array("\n", "\r", "\t"), "", $html);
	}

	public function getDashboardAndSearchMenus() {

		if (isset($_SESSION['dashboardMenus'][Localization::activeLocale()])) {
			return $_SESSION['dashboardMenus'][Localization::activeLocale()];
		}
				
		$d = ConcreteDashboardMenu::getMine();
		$items = $d->getItems();

		ob_start(); ?>
			<div id="ccm-intelligent-search-results">
			<?php
			$page = Page::getByPath('/dashboard');
			$children = $page->getCollectionChildrenArray(true);
			
			$packagepages = array();
			$corepages = array();
			foreach($children as $ch) {
				$page = Page::getByID($ch);
				$pageP = new Permissions($page);
				if ($pageP->canRead()) { 
					if (!$page->getAttribute("exclude_nav")) {
						if ($page->getPackageID() > 0) {
							$packagepages[] = $page;
						} else {
							$corepages[] = $page;
						}
					}
				} else {
					continue;
				}
			
				if ($page->getAttribute('exclude_search_index')) {
					continue;
				}
				
				if ($page->getCollectionPath() == '/dashboard/system') {
					$ch2 = $page->getCollectionChildrenArray();
				} else {
					$ch2 = $page->getCollectionChildrenArray(true);
				}
				?>
				
				<div class="ccm-intelligent-search-results-module ccm-intelligent-search-results-module-onsite">
				
				<h1><?php echo t($page->getCollectionName())?></h1>
				
				
				<ul class="ccm-intelligent-search-results-list">
				<?php if (count($ch2) == 0) { ?>
					<li><a href="<?php echo Loader::helper('navigation')->getLinkTocollection($page, false, true)?>"><?php echo t($page->getCollectionName())?></a><span><?php echo t($page->getCollectionName())?> <?php echo t($page->getAttribute('meta_keywords'))?></span></li>
				<?php } ?>
				
				<?php
				if ($page->getCollectionPath() == '/dashboard/system') { ?>
					<li><a href="<?php echo Loader::helper('navigation')->getLinkTocollection($page, false, true)?>"><?php echo t('View All')?></a><span><?php echo t($page->getCollectionName())?> <?php echo t($page->getAttribute('meta_keywords'))?></span></li>
				<?php				
				}
				
				foreach($ch2 as $chi) {
					$subpage = Page::getByID($chi); 
					$subpageP = new Permissions($subpage);
					if (!$subpageP->canRead()) {
						continue;
					}

					if ($subpage->getAttribute('exclude_search_index')) {
						continue;
					}
			
					?>
					<li><a href="<?php echo Loader::helper('navigation')->getLinkTocollection($subpage, false, true)?>"><?php echo t($subpage->getCollectionName())?></a><span><?php if ($page->getCollectionPath() != '/dashboard/system') { ?><?php echo t($page->getCollectionName())?> <?php echo t($page->getAttribute('meta_keywords'))?> <?php } ?><?php echo t($subpage->getCollectionName())?> <?php echo t($subpage->getAttribute('meta_keywords'))?></span></li>
					<?php 
				}
				?>
				</ul>
				
				</div>
				<?php }
				
				$custHome = Page::getByPath('/dashboard/home');
				$custHomeP = new Permissions($custHome);
				if ($custHomeP->canRead()) {
				?>
				
				<div class="ccm-intelligent-search-results-module ccm-intelligent-search-results-module-onsite">
				
				<h1><?php echo t('Dashboard Home')?></h1>
				
				
				<ul class="ccm-intelligent-search-results-list">
					<li><a href="<?php echo View::url('/dashboard/home')?>"><?php echo t('Customize')?> <span><?php echo t('Customize Dashboard Home')?></span></a></li>
				</ul>
				
				</div>
				
				<?php } ?>
				
				<div class="ccm-intelligent-search-results-module ccm-intelligent-search-results-module-loading">
				<h1><?php echo t('Your Site')?></h1>
				<ul class="ccm-intelligent-search-results-list" id="ccm-intelligent-search-results-list-your-site">
				</ul>
				</div>
				
				<?php if (ENABLE_INTELLIGENT_SEARCH_HELP) { ?>
				<div class="ccm-intelligent-search-results-module ccm-intelligent-search-results-module-offsite ccm-intelligent-search-results-module-loading">
				<h1><?php echo t('Help')?></h1>
				<ul class="ccm-intelligent-search-results-list" id="ccm-intelligent-search-results-list-help">
				</ul>
				</div>
				<?php } ?>
				
				<?php if (ENABLE_INTELLIGENT_SEARCH_MARKETPLACE) { ?>
				<div class="ccm-intelligent-search-results-module ccm-intelligent-search-results-module-offsite ccm-intelligent-search-results-module-loading">
				<h1><?php echo t('Add-Ons')?></h1>
				<ul class="ccm-intelligent-search-results-list" id="ccm-intelligent-search-results-list-marketplace">
				</ul>
				</div>
				<?php } ?>				
			</div>
			
			<div id="ccm-dashboard-overlay">
			<div id="ccm-dashboard-overlay-core">
			<div class="ccm-dashboard-overlay-inner" id="ccm-dashboard-overlay-main">
			
			<!--recent-->
						
			
			<?php 
			$currentHeader = false;
			$x = 0;
			$itemsChanged = false;
			foreach($items as $path) { 
			
				$p = Page::getByPath($path, 'ACTIVE');
				// If page is not found etc, remove it from items
				if ($p->isError()) {
					$d->remove($p);
					$itemsChanged = true;
					continue;
				}
				$pc = new Permissions($p);
				if ($pc->canViewPage()) {
					
					$name = t($p->getCollectionName());
					$parent = Page::getByID($p->getCollectionParentID(), 'ACTIVE');
					if ($parent->getCollectionPath() == '/dashboard') {
						$parent = $p;
						$name = t('Home');						
					}
					
					if ($currentHeader != $parent->getCollectionID()) { ?>
						<?php if ($currentHeader != false) { ?>
							</ul>
							</div>
							<?php $x++; ?>
							<?php if ($x % 4 == 0) { ?>
								<div class="clearfix" style="padding-bottom: 0px"></div>
							<?php } ?>
							
						<?php } ?>

						<div class="ccm-dashboard-overlay-module">
						<h1><?php echo t($parent->getCollectionName())?></h1>
						<ul>			
						
						<?php $currentHeader = $parent->getCollectionID(); ?>		

					<?php } ?>
					
						<li><a href="<?php echo Loader::helper('navigation')->getLinkToCollection($p, false, true)?>"><?php echo $name?></a></li>

				
				<?php } ?>
				
							
			<?php } ?>
			<?php
			if ($itemsChanged) {
				$u = new User;
				$u->saveConfig('QUICK_NAV_BOOKMARKS', serialize($d));
			}
			?>
			<?php if ($currentHeader != false) { ?>
							</ul>
							</div>
			<?php } ?>
			</div>
			</div>
			<div id="ccm-dashboard-overlay-misc" class="ccm-dashboard-overlay-misc-rounded">
			<div class="ccm-dashboard-overlay-inner">

            <?php

			// Before we throw in a UL, we check permissions, etc. to see if any of the LI items need to be shown.
			$systemNews = Page::getByPath('/dashboard/news');
			$systemNewsP = new Permissions($systemNews);
			$canAccessNews = $systemNewsP->canRead();

			$systemSettings = Page::getByPath('/dashboard/system');
			$systemSettingsP = new Permissions($systemSettings);
			$canAccessSystem = $systemSettingsP->canRead();

			$tpa = new TaskPermission();
			$canAccessExtend = $tpa->canInstallPackages();
			$systemExtend = Page::getByPath('/dashboard/extend');
			$systemExtendP = new Permissions($systemExtend);
			$canViewExtend = $systemExtendP->canRead();

			// If any need to be shown then we proceed...
			if($canAccessNews || $canAccessSystem || ($canAccessExtend && $canViewExtend)){ ?>

                <ul>

                <?php if ($canAccessNews) { ?>
                    <li><a href="<?php echo View::url('/dashboard/news')?>"><strong><?php echo t('News')?></strong></a> – <?php echo t('Learn about your site and concrete5.')?></li>
                <?php } ?>

				<?php if ($canAccessSystem) { ?>
                    <li><a href="<?php echo View::url('/dashboard/system')?>"><strong><?php echo t('System &amp; Settings')?></strong></a> – <?php echo t('Secure and setup your site.')?></li>
                <?php } ?>

                <?php if ($canAccessExtend && $canViewExtend) { ?>
                    <li><a href="<?php echo View::url('/dashboard/extend') ?>"><strong><?php echo t("Extend concrete5") ?></strong></a> – 
                    <?php if (ENABLE_MARKETPLACE_SUPPORT) { ?>
                    <?php echo sprintf(t('<a href="%s">Install</a>, <a href="%s">update</a> or download more <a href="%s">themes</a> and <a href="%s">add-ons</a>.'),
                        View::url('/dashboard/extend/install'),
                        View::url('/dashboard/extend/update'),
                        View::url('/dashboard/extend/themes'),
                        View::url('/dashboard/extend/add-ons')); ?>
                    <?php } else { ?>
					<?php echo sprintf(t('<a href="%s">Install</a> or <a href="%s">update</a> packages.'),
                        View::url('/dashboard/extend/install'),
                        View::url('/dashboard/extend/update'))?>
                    <?php } ?>
					</li>
                <?php } ?>

                </ul>

            <?php } ?>

			</div>
			</div>
			<div id="ccm-dashboard-overlay-footer">
			<div class="ccm-dashboard-overlay-inner">
			<a href="<?php echo View::url('/dashboard')?>"><?php echo t('View Full Dashboard')?>  <i class="icon-arrow-right"></i></a>
			</div>
			</div>
			</div>
		<?php
			$html = ob_get_contents();
			ob_end_clean();
			
		return str_replace(array("\n", "\r", "\t"), "", $html);
	
	}
}

class ConcreteDashboardMenu {
	
	protected $items;
	public function getItems($sort = true) {
		if ($sort) {
			usort($this->items, array('ConcreteDashboardMenu', 'sortItems'));
		}
		return $this->items;
	}
	
	protected static function sortItems($a, $b) {
		$subpatha = substr($a, 11); // /dashboard
		$subpathb = substr($b, 11); // /dashboard
		$segmentsa = explode('/', $subpatha);
		$segmentsb = explode('/', $subpathb);
		$segmenta = substr($subpatha, 0, strpos($subpatha, '/'));
		$segmentb = substr($subpathb, 0, strpos($subpathb, '/'));
		if (count($segmentsa) == 3 && count($segmentsb) == 3) {
			$subpatha = $segmenta[0] . '/' . $segmenta[1];
			$subpathb = $segmentb[0] . '/' . $segmentb[1];
			$segmenta .= '/' . $segmentsa[1];
			$segmentb .= '/' . $segmentsb[1];
			
		}

		if (!$segmenta) {
			$segmenta = $subpatha;
		}
		if (!$segmentb) {
			$segmentb = $subpathb;
		}
		$db = Loader::db();
		$displayorderA = intval($db->GetOne('select cDisplayOrder from Pages p inner join PagePaths cp on p.cID = cp.cID where cPath = ?', array('/dashboard/' . $segmenta)));
		$displayorderB = intval($db->GetOne('select cDisplayOrder from Pages p inner join PagePaths cp on p.cID = cp.cID where cPath = ?', array('/dashboard/' . $segmentb)));

		if ($displayorderA > $displayorderB) {
			return 1;
		} else if ($displayorderA < $displayorderB) {
			return -1;
		} else {
			$displayorderA = intval($db->GetOne('select cDisplayOrder from Pages p inner join PagePaths cp on p.cID = cp.cID where cPath = ?', array('/dashboard/' . $subpatha)));
			$displayorderB = intval($db->GetOne('select cDisplayOrder from Pages p inner join PagePaths cp on p.cID = cp.cID where cPath = ?', array('/dashboard/' . $subpathb)));
			if ($displayorderA > $displayorderB) {
				return 1;
			} else if ($displayorderA < $displayorderB) {
				return -1;
			}
		}
	}
	
	public function contains($c) {
		return in_array($c->getCollectionPath(), $this->items);
	}
	
	public function add($c) {
		$this->items[] = $c->getCollectionPath();
	}

	public function remove($c) {
		unset($this->items[array_search($c->getCollectionPath(), $this->items)]);
	}

	public static function getMine() {
		$u = new User();
		$qn = unserialize($u->config('QUICK_NAV_BOOKMARKS'));
		if (is_object($qn)) {
			return $qn;
		}
		$qn = new ConcreteDashboardMenu();
		$qnx = new ConcreteDashboardDefaultMenu();
		$qn->items = $qnx->items;
		return $qn;	
	}
}

class ConcreteDashboardDefaultMenu extends ConcreteDashboardMenu {
	
	public $items = array(
		'/dashboard/composer/write',
		'/dashboard/composer/drafts',
		'/dashboard/sitemap/full',
		'/dashboard/sitemap/search',
		'/dashboard/files/search',
		'/dashboard/files/sets',
		'/dashboard/reports/statistics',
		'/dashboard/reports/forms'
	);

}
