<?php

/**
 * Description of AdminDashboard
 *
 * @author Fabian Schlieper
 */
class WPFB_AdminDashboard {


	static function Setup($custom = false) {
		global $user_ID;
		$screen = get_current_screen();

		//$screen->get_option('layout_colums', 2);
		//add_filter('screen_layout_columns', array(__CLASS__, 'screenLayoutColumns'), 10, 2);
		
		if($custom && !wp_is_mobile())
			add_screen_option('layout_columns', array('max' => 2, 'default' => 2) );

		if (WPFB_Core::CurUserCanUpload())
			add_meta_box('wpfb-add-file-widget', ($custom ? '' : (WPFB_PLUGIN_NAME . ': ')) . __('Add File', 'wp-filebase'), array(__CLASS__, 'WidgetAddFile'), $screen, 'normal', 'default', array(!$custom));

		if ($custom) {
			if (!empty($_GET['wpfb-hide-how-start']))
				update_user_option($user_ID, WPFB_OPT_NAME . '_hide_how_start', 1);
			$show_how_start = !(bool) get_user_option(WPFB_OPT_NAME . '_hide_how_start');


			add_meta_box('wpfb-tools', __('Tools'), array(__CLASS__, 'WidgetTools'), $screen, 'side', 'default');
			add_meta_box('wpfb-stats', __('Statistics', 'wp-filebase'), array(__CLASS__, 'WidgetStats'), $screen, 'side', 'default');
			add_meta_box('wpfb-getstarted', sprintf(__('How to get started with %s?', 'wp-filebase'), WPFB_PLUGIN_NAME), array(__CLASS__, 'WidgetGetStarted'), $screen, 'side', $show_how_start ? 'high' : 'low');
			add_meta_box('wpfb-about', __('About', 'wp-filebase'), array(__CLASS__, 'WidgetAbout'), $screen, 'side', 'default');
			add_meta_box('wpfb-logs', __('Log Files', 'wp-filebase'), array(__CLASS__, 'WidgetLogFiles'), $screen, 'side', 'low');


			//add_meta_box('wpfb-', __('','wp-filebase'), array(__CLASS__, ''), $screen, 'normal', 'default' );
			//$screen->render_screen_meta();
		}
	}

	static function WidgetTools() {

		$cron_sync_desc = '';
		if (WPFB_Core::$settings->cron_sync) {
			$cron_sync_desc .= __('Automatic sync is enabled. Cronjob scheduled hourly.');
			$sync_stats = (get_option('wpfilebase_cron_sync_stats'));
			$cron_sync_desc .= ((!empty($sync_stats)) ? (" (" . sprintf(__('Last cron sync %s ago took %s and used %s of RAM.', 'wp-filebase'), human_time_diff($sync_stats['t_start']), human_time_diff($sync_stats['t_start'], $sync_stats['t_end']), WPFB_Output::FormatFilesize($sync_stats['mem_peak']))

				. ")") : '')." "
				.(($next=wp_next_scheduled(WPFB.'_cron')) ? sprintf( __('Next cron sync scheduled in %s.','wp-filebase'), human_time_diff(time(), $next) ) : "");
		} else {
			$cron_sync_desc .= __('Cron sync is disabled.', 'wp-filebase');
		}

		$tools = array(
			 array(
				  'url' => add_query_arg(array('action' => 'sync', 'no-ob' => 1, )),
				  'icon' => 'cached',
				  'label' => __('Sync Filebase', 'wp-filebase'),
				  'desc' => __('Synchronises the database with the file system. Use this to add FTP-uploaded files.', 'wp-filebase') . '<br />' . $cron_sync_desc
			 )
		);




		if (current_user_can('install_plugins')) { // is admin?
			$new_tag = WPFB_AdminGuiManage::NewExtensionsAvailable() ? '<span class="wp-ui-notification new-exts">new</span>' : '';
			$tools[] = array(
				 'url' => add_query_arg(array('action' => 'install-extensions')),
				 'icon' => 'extension',
				 'label' => __('Extensions', 'wp-filebase') . $new_tag,
				 'desc' => __('Install Extensions to extend functionality of WP-Filebase', 'wp-filebase')
			);
		}
		?>
		<ul>
		<?php foreach ($tools as $id => $tool) {
			?>
				<li id="wpfb-tool-<?php echo $id; ?>"><a href="<?php echo $tool['url']; ?>" <?php if (!empty($tool['confirm'])) { ?> onclick="return confirm('<?php echo $tool['confirm']; ?>')" <?php } ?> class="button admin-scheme-fill-2-hover"><?php echo WPFB_Admin::Icon($tool['icon'], 32);
			echo $tool['label']; ?></a></li>
			<?php } ?>
		</ul>
			<?php foreach ($tools as $id => $tool) { ?>	
			<div id="wpfb-tool-desc-<?php echo $id; ?>" class="tool-desc">
			<?php echo $tool['desc']; ?>
			</div>
			<?php } ?>
		<script>
			if (!jQuery(document.body).hasClass('mobile')) {
				jQuery('#wpfb-tools li').mouseenter(function (e) {
					jQuery('#wpfb-tools .tool-desc').hide();
					jQuery('#wpfb-tool-desc-' + this.id.substr(10)).show();
				});
				jQuery('#wpfb-tools .tool-desc').first().show();
			}
		</script>

		<?php if (!empty(WPFB_Core::$settings->tag_conv_req)) { ?><p><a href="<?php echo add_query_arg('action', 'convert-tags') ?>" class="button"><?php _e('Convert old Tags', 'wp-filebase') ?></a> &nbsp; <?php printf(__('Convert tags from versions earlier than %s.', 'wp-filebase'), '0.2.0') ?></p> <?php } ?>
		<!--  <p><a href="<?php echo add_query_arg('action', 'add-urls') ?>" class="button"><?php _e('Add multiple URLs', 'wp-filebase') ?></a> &nbsp; <?php _e('Add multiple remote files at once.', 'wp-filebase'); ?></p>
		-->
		<?php
	}

	static function WidgetAddFile($compact = false) {
		global $user_ID;
		// switch simple/extended form
		if (isset($_GET['exform'])) {
			$exform = (!empty($_GET['exform']) && $_GET['exform'] == 1);
			update_user_option($user_ID, WPFB_OPT_NAME . '_exform', $exform, true);
		} else
			$exform = (bool) get_user_option(WPFB_OPT_NAME . '_exform');

		wpfb_loadclass('Admin', 'File', 'Category');
		WPFB_Admin::PrintForm('file', null, (!$compact) ? array('exform' => false, 'in_widget' => false) : array('exform' => false, 'in_widget' => true));
	}

	static function WidgetStats() {
		global $wpdb;

		?>
		<div id="col-container">
			<div id="col-right">
				<div class="col-wrap">
					<h3><?php _e('Traffic', 'wp-filebase'); ?></h3>
					<table class="wpfb-stats-table">
		<?php
		$traffic_stats = wpfb_call('Misc', 'GetTraffic');
		$limit_day = (WPFB_Core::$settings->traffic_day * 1048576);
		$limit_month = (WPFB_Core::$settings->traffic_month * 1073741824);
		?>
						<tr>
							<td><?php
				if ($limit_day > 0)
					WPFB_AdminGuiManage::ProgressBar($traffic_stats['today'] / $limit_day, WPFB_Output::FormatFilesize($traffic_stats['today']) . '/' . WPFB_Output::FormatFilesize($limit_day));
				else
					echo WPFB_Output::FormatFilesize($traffic_stats['today']);
		?></td>
							<th scope="row"><?php _e('Today', 'wp-filebase'); ?></th>
						</tr>
						<tr>
							<td><?php
						if ($limit_month > 0)
							WPFB_AdminGuiManage::ProgressBar($traffic_stats['month'] / $limit_month, WPFB_Output::FormatFilesize($traffic_stats['month']) . '/' . WPFB_Output::FormatFilesize($limit_month));
						else
							echo WPFB_Output::FormatFilesize($traffic_stats['month']);
		?></td>
							<th scope="row"><?php _e('This Month', 'wp-filebase'); ?></th>
						</tr>
						<tr>
							<td><?php echo WPFB_Output::FormatFilesize($wpdb->get_var("SELECT SUM(file_size) FROM $wpdb->wpfilebase_files")) ?></td>
							<th scope="row"><?php _e('Total File Size', 'wp-filebase'); ?></th>
						</tr>	
					</table>
				</div>
			</div><!-- /col-right -->


			<div id="col-left">
				<div class="col-wrap">

					<h3><?php _e('Statistics', 'wp-filebase'); ?></h3>
					<table class="wpfb-stats-table">
						<tr>
							<td><?php echo WPFB_File::GetNumFiles() ?></td>
							<th scope="row"><?php _e('Files', 'wp-filebase'); ?></th>				
						</tr>
						<tr>
							<td><?php echo WPFB_Category::GetNumCats() ?></td>
							<th scope="row"><?php _e('Categories'); ?></th>
						</tr>
						<tr>
							<td><?php echo "" . (int) $wpdb->get_var("SELECT SUM(file_hits) FROM $wpdb->wpfilebase_files") ?></td>
							<th scope="row"><?php _e('Downloads', 'wp-filebase'); ?></th>
						</tr>
					</table>
				</div>
			</div><!-- /col-left -->

		</div><!-- /col-container -->

		<?php
	}

	static function WidgetGetStarted() {
		?>
		<script type="text/javascript">
		//<![CDATA[
			jQuery(document).ready(function () {
				jQuery('div.widgets-holder-wrap').children('.sidebar-name').click(function () {
					jQuery(this).parent().find('.widgets-sortables').slideToggle();
				});
			});
		//]]>
		</script>

		<div id="wpfb-how-start">
			<ul>
				<li><a href="<?php echo esc_attr(admin_url("admin.php?page=wpfilebase_cats#addcat")); ?>"><?php _e('Create a Category', 'wp-filebase') ?></a></li>

				<li><?php _e('Add a file. There are different ways:', 'wp-filebase'); ?>
					<ul>
						<li><?php printf(__('<a href="%s">Use the normal File Upload Form.</a> You you can either upload a file from you local harddisk or you can provide a URL to a file that will be sideloaded to your blog.', 'wp-filebase'), esc_attr(admin_url("admin.php?page=wpfilebase_files#addfile"))); ?></li>
						<li><?php printf(__('Use FTP: Use your favorite FTP Client to upload any directories/files to <code>%s</code>. Afterwards <a href="%s">sync the filebase</a> to add the newly uploaded files to the database.', 'wp-filebase'), esc_html(WPFB_Core::$settings->upload_path), esc_attr(admin_url('admin.php?page=wpfilebase_manage&action=sync'))); ?></li>
					</ul>
				</li>
				<li><?php printf(__('Goto <a href="%s">WP-Filebase Settings -> Filebrowser</a> and set the Page ID to get a nice AJAX Tree View of all your files.', 'wp-filebase'), esc_attr(admin_url('admin.php?page=wpfilebase_sets#' . sanitize_title(__('File Browser', 'wp-filebase'))))); ?></li>
				<li><?php printf(__('WP-Filebase adds a new button to the visual editor. When creating or editing posts/pages, use the Editor Plugin %s to insert single files, file lists and other stuff into your content.', 'wp-filebase'), '<img src="' . esc_attr(WPFB_PLUGIN_URI) . 'tinymce/images/btn.gif" style="vertical-align:middle;" />'); ?></li>
				<li><?php printf(__('Take a look at the <a href="%s">Widgets</a>. WP-Filebase adds three widgets for file listing, category listing and user uploads.', 'wp-filebase'), admin_url('widgets.php')); ?></li>
				<li><?php printf(__('<a href="%s">Manage the Templates</a> (for advanced users): You can modify any file- or category template to fit your Wordpress theme.', 'wp-filebase'), esc_attr(admin_url('admin.php?page=wpfilebase_tpls'))); ?></li>
			</ul>
		<?php if (!get_user_option(WPFB_OPT_NAME . '_hide_how_start')) { ?>
				<p style="text-align: right"><a href="<?php echo esc_attr(add_query_arg('wpfb-hide-how-start', '1')) ?>"><?php _e('Move this message to the bottom (dismiss)', 'wp-filebase') ?></a></p>
		<?php } ?>
		</div>


			<?php
		}

		static function WidgetAbout() {
			?>		<p>
		<?php echo WPFB_PLUGIN_NAME . ' ' . WPFB_VERSION ?> by Fabian Schlieper <a href="http://fabi.me/">
		<?php if (strpos($_SERVER['SERVER_PROTOCOL'], 'HTTPS') === false) { ?><img src="http://fabi.me/misc/wpfb_icon.gif?lang=<?php if (defined('WPLANG')) {
				echo WPLANG;
			} ?>" alt="" /><?php } ?> fabi.me</a><br/>
			Includes the great file analyzer <a href="http://www.getid3.org/">getID3()</a> by James Heinrich.<br />
		</p>
				<?php if (current_user_can('edit_files')) { ?>
			
			<p><a href="<?php echo admin_url('plugins.php?wpfb-uninstall=1') ?>" class="button" onclick="return confirm('You will be brough to the Plugin page. When you disable WP-Filebase there, you loose all your data.')"><?php _e('Initiate a complete uninstall', 'wp-filebase') ?></a></p>

			<?php
		}
	}

	/**
	 * Lists 20 normal log entries and max. 100 errors
	 *
	 * @param $for
	 */
	static function showLog($for) {
		$filename = WPFB_Core::GetLogFile($for);
		$lines = is_file($filename) ? file($filename) : null;
		$date_len = strlen('[2015-12-28 21:53:09] ');
		
		if (empty($lines)) {
			echo "No log for '$for' yet!";
			return;
		}
		$n = count($lines);
		$ni = $n-1;
		echo "<pre><strong>$for</strong> ",sprintf(__('%s ago'), human_time_diff(filemtime($filename))),":\n";
		for ($i = $n-1; $i >= max(0, $n - 100); $i--) {
			$msg = rtrim(substr($lines[$i], $date_len));
			$e = (stripos($msg, 'error') !== false || stripos($msg, 'failed') !== false || stripos($msg, 'exception') !== false || stripos($msg, 'unexpected') !== false || stripos($msg, 'warning') !== false || stripos($msg, 'not found') !== false);

			if($i < ($n - 20) && !$e)
				continue;

			if($ni != $i)
				echo "<b>\t[...]\n</b>";

			$e && ($msg = "<span class='error'>".esc_html($msg)."</span>");
			echo '<b>'.esc_html(substr($lines[$i], 0, $date_len)).'</b>',str_replace('&lt;br&gt;','<br>',$msg),"\n";
			$ni = $i - 1;
		}
		echo '</pre>';
	}

	static function WidgetLogFiles() {
		?> <div style="width: auto; overflow: auto;"><?php
		echo '<p>';
		self::showLog('core');
		echo '</p>';
		echo '<p>';
		self::showLog('ccron');
		echo '</p>';
		echo '<p>';
		self::showLog('sync');
		echo '</p>';
		?></div><?php
	}

}