<?php

// Version 3.3.12

// include TweetBlender library
include_once(dirname(__FILE__).'/lib/lib.php');

// set up data structure for addon tracking
$tb_installed_addons = array();
$tb_active_addons = array();

// check for addons
function tb_check_addons() {

	global $tb_installed_addons, $tb_active_addons, $tb_addons;
	
	foreach($tb_addons as $addon_id => $addon) {
		$addon_file = $addon['slug'] . '/' . $addon['slug'] . '.php';
		if (file_exists(WP_PLUGIN_DIR . '/' . $addon_file)) { 
			$tb_installed_addons[$addon_id] = true;
			if(is_plugin_active($addon_file)) {
				$tb_active_addons[$addon_id] = true;
			}
			else {
				$tb_active_addons[$addon_id] = false;
			}
		}
		else {
			$tb_installed_addons[$addon_id] = false;
		}
	}
	
	return false;
}

function tb_admin_load_scripts() {

	global $js_labels;
	
    wp_enqueue_script('jquery');
    wp_enqueue_script('jquery-ui-core');
    wp_enqueue_script('jquery-ui-tabs');
    wp_enqueue_script('jquery-fancybox', '/' . PLUGINDIR . '/tweet-blender/js/fancybox/jquery.fancybox-1.3.4.pack.js',array('jquery'));
    wp_enqueue_script('tb-lib', '/' . PLUGINDIR . '/tweet-blender/js/lib.js',array('jquery'));
    wp_localize_script('tb-lib', 'TB_labels', $js_labels);
    wp_enqueue_script('tb-admin', '/' . PLUGINDIR . '/tweet-blender/js/admin.js',array('jquery','jquery-ui-core','jquery-ui-tabs','jquery-fancybox','tb-lib'));
    
}

function tb_admin_load_styles() {

    wp_enqueue_style('tweet-blender-css', '/' . PLUGINDIR .'/tweet-blender/css/admin.css');
    wp_enqueue_style('jquery-ui-css', '/' . PLUGINDIR . '/tweet-blender/css/jquery-ui/jquery-ui.css');
    wp_enqueue_style('jquery-tabs-css', '/' . PLUGINDIR . '/tweet-blender/css/jquery-ui/ui.tabs.css');
    wp_enqueue_style('jquery-fancybox-css', '/' . PLUGINDIR . '/tweet-blender/js/fancybox/jquery.fancybox-1.3.4.css');
}

// register admin page
add_action('admin_menu', 'tb_admin_menu');
function tb_admin_menu() {

	global $tb_installed_addons, $tb_active_addons, $tb_addons;

	// add hooks for Tweet Blender admin
    $pagehook = add_options_page(__('Tweet Blender Settings'), __('Tweet Blender', 'tweetblender'), 'manage_options', __FILE__, 'tb_admin_page');
    add_action( 'admin_print_scripts-' . $pagehook, 'tb_admin_load_scripts' );
    add_action( 'admin_print_styles-' . $pagehook, 'tb_admin_load_styles' );

	// add hooks for addons
	tb_check_addons();
	foreach($tb_addons as $addon_id => $addon) {
		$addon_file = $addon['slug'] . '/' . $addon['slug'] . '.php';
		
		if ($tb_installed_addons[$addon_id] && $tb_active_addons[$addon_id]) {
			include_once(WP_PLUGIN_DIR . '/' . $addon_file);
		    
			add_action( 'admin_print_scripts-' . $pagehook, 'tb_admin_load_scripts_addon' . $addon_id );
		    add_action( 'admin_print_styles-' . $pagehook, 'tb_admin_load_styles_addon' . $addon_id );
		}
	}
}

function tb_admin_page() {

    global $wp_json, $tb_option_names, $tb_option_names_system, $tb_keep_tweets_options, $tb_languages, $cache_clear_results, $tb_throttle_time_options, $tb_installed_addons, $tb_active_addons, $tb_package_names;
            
	$upgrade_message = '';

	// if add-on installation is requested, perform it
	if (isset($_GET['install_addon'])) {
		
		// get item number
		if (isset($_POST['item_number'])) {
			$item_number = $_POST['item_number'];
		}
		elseif (isset($_GET['item_number'])) {
			$item_number = $_GET['item_number'];
		}
		else {
			echo __('Error','tweetblender') . ': ' . __('addon ID was not specified', 'tweetblender');
		}

		// store transaction ID to prefs for future auto updates
		if (isset($_POST['txn_id']) && $item_number) {
			tb_save_txn_id($item_number, $_POST['txn_id']);
		}

		// perform installation
		tb_download_package($item_number);		
		
		return;
	}
	// check for new versions of addons if we haven't checked recently
	elseif (!get_transient('tb_addon_checked_upgrade')) {

		foreach($tb_package_names as $item_number => $name) {
			
			// if user purchased the addon
			if ($txn_id = tb_get_txn_id($item_number)) {

				$version_check_url = 'http://tweetblender.com/check_upgrade.php?item_number=' . $item_number . '&blog_url=' . urlencode(get_bloginfo('url')) . '&txn_id=' . $txn_id;
				$version_download_url = 'http://tweetblender.com/download.php?item_number=' . $item_number . '&blog_url=' . urlencode(get_bloginfo('url')) . '&txn_id=' . $txn_id;
				$response = wp_remote_get($version_check_url);
				
				if(!is_wp_error($response)) {
					if (isset($response['headers']['have-newer-version']) && $response['headers']['have-newer-version'] == 1) {
						$upgrade_message .= sprintf(__('Newer version of %s is available','tweetblender') . ' - <a href="%s&install_addon=1&item_number=%d">' . __('upgrade automatically','tweetblender') . '</a> ' . __('or','tweetblender') . '<a href="%s"> ' . __('download to install manually','tweetblender') . '</a>', $name, tb_get_current_page_url(), $item_number, $version_download_url);
					}
				}
			}
		}

		// don't check again for 24 hours
		set_transient('tb_addon_checked_upgrade', true, 60*60*24);
	}

    // Read in existing option values from database
	$tb_o = get_option('tweet-blender');
		
	// set defaults
	if (empty($tb_o) || (isset($tb_o['archive_tweets_num']) && $tb_o['archive_tweets_num'] < 1)) {
		$tb_o['archive_tweets_num'] = 20;
	}

	// get API limit info
	$api_limit_data = null;
	if ($json_data = tb_get_server_rate_limit_json($tb_o)) {
    	$api_limit_data = $wp_json->decode($json_data);
	}

	// perform maintenance
	if (isset($tb_o['archive_keep_tweets']) && $tb_o['archive_keep_tweets'] > 0) {
		tb_db_cache_clear('WHERE DATEDIFF(now(),created_at) > ' . $tb_o['archive_keep_tweets']);
	}
					
    // See if the user has posted us some information
	if( isset($_POST['tb_new_data']) && $_POST['tb_new_data'] == 'Y' ) {

		// check nonce
		check_admin_referer('tweet_blender_settings_save','tb_nonce');

		// if we are disabling cache - clear it
		if (isset($tb_o['advanced_disabled_cache']) && (!$tb_o['advanced_disable_cache'] && $_POST['advanced_disable_cache'])) {
			tb_db_cache_clear();
		}
		// if we are clearing individual cached sources
		if (isset($_POST['delete_cache_src']) && $_POST['delete_cache_src']) {
			$cleared_sources = array();
			foreach ($_POST['delete_cache_src'] as $del_src) {
				tb_db_cache_clear("WHERE source='$del_src'");
				$cleared_sources[] = $del_src;
			}
			if (sizeof($cleared_sources) > 0 ) {
				$cache_clear_results = __('Cleared cached tweets for', 'tweetblender') . ' ' . implode(', ',$cleared_sources);
			}
		}
		
		// check if we are rerouting with oAuth
		if ((isset($_POST['advanced_reroute_on']) && $_POST['advanced_reroute_on']) && (isset($_POST['advanced_reroute_type']) && $_POST['advanced_reroute_type'] == 'oauth')) {
			
			if(!isset($tb_o['oauth_access_token'])) {
				// Create TwitterOAuth object and get request token
				$connection = new TwitterOAuth(CONSUMER_KEY, CONSUMER_SECRET);
				 
				// Get request token
				$request_token = $connection->getRequestToken(get_bloginfo('url') . '/' . PLUGINDIR . "/tweet-blender/lib/twitteroauth/callback.php");
				 
				if ($connection->http_code == 200) {
					// Save request token to session
					$tb_o['oauth_token'] = $token = $request_token['oauth_token'];
					$tb_o['oauth_token_secret'] = $request_token['oauth_token_secret'];
					update_option('tweet-blender',$tb_o);
					
					$errors[] = __('To take advantage of a whitelisted account with oAuth ' , 'tweetblender') . "<a href='javascript:tAuth(\"" . $connection->getAuthorizeURL($token) . "\")' title=__('Authorize Twitter Access', 'tweetb)>__('please use your Twitter account to authorize access','tweetblender')</a>.";
				}
				else {
					$errors[] =  __("Not able to form oAuth authorization request URL. HTTP status code: ", 'tweetblender') . $connection->http_code;
				}					
			}
		}

		if (isset($errors) && sizeof($errors) > 0) {
			$message = '<div class="error"><strong><ul><li>' . join('</li><li>',$errors) . '</li></ul>' . $cache_clear_results . '</strong></div>';
			$tb_o = $_POST;
		}
		else {
			// reset oAuth tokens
			if (isset($_POST['reset_oauth']) && $_POST['reset_oauth']) {
				unset($tb_o['oauth_access_token']);
			}

			// unset archive page ID if archive is disabled
			if(isset($_POST['archive_is_disabled']) && $_POST['archive_is_disabled']) {
				unset($tb_o['archive_page_id']);
				unset($tb_o['archive_is_disabled']);
			}
			
			// cycle through all possible options
			foreach($tb_option_names as $opt) {
				// if option was set by user - store it
				if(isset($_POST[$opt])) {
					$tb_o[$opt] = $_POST[$opt];
				}
				// else if option was not one that user controls - unset it
				elseif (!array_key_exists($opt,$tb_option_names_system)) {
					$tb_o[$opt] = '';
				}
			}

			// process filter keywords and remove empty elements
			if (isset($tb_o['filter_bad_strings'])) {
				$filtered_words = explode(',', $tb_o['filter_bad_strings']);
				
				$clean = array();
				foreach ($filtered_words as $badw) {
					$badw = trim($badw);
					if (strlen($badw) > 0) {
						$clean[] = $badw;
					}
				}
				
				$tb_o['filter_bad_strings'] = implode(',',$clean);
			}

			update_option('tweet-blender',$tb_o);
	        // Put an options updated message on the screen
			$message = '<div class="updated"><p><strong>' . __('Settings saved', 'tweetblender')  . '. ' . $cache_clear_results . '</strong></p></div>';
		}	

    }
	
	// if addon installation was cancelled by user, show message
	if (isset($_GET['install_addon']) && $_GET['install_addon'] == 0) {
		$message = '<div class="updated"><p><strong>'. __('Addon installation was cancelled','tweetblender') . '</strong> ' . __('If you have any questions, please use one of the links under the Help tab', 'tweetblender') . '.</p></div>';
	}

?>

<script type="text/javascript">
	var lastUsedTabId = <?php if (isset($_POST['tb_tab_index'])) { echo $_POST['tb_tab_index']; } else { echo 0; } ?>,
	TB_pluginPath = '<?php echo plugins_url("tweet-blender") ?>',
	TB_CM_pluginPath = '<?php echo plugins_url('tweet-blender-cache-manager'); ?>',
	TB_cacheManagerAvailable = <?php if ($tb_installed_addons[1] && $tb_active_addons[1]) { echo 'true'; } else { echo 'false'; } ?>,
	TB_NS_pluginPath = '<?php echo plugins_url('tweet-blender-nstyle'); ?>',
	TB_nStyleAvailable = <?php if ($tb_installed_addons[2] && $tb_active_addons[2]) { echo 'true'; } else { echo 'false'; } ?>;
</script>

<div class="wrap">
	<div id="icon-tweetblender" class="icon32"><br/></div><h2><?php _e('Tweet Blender', 'tweetblender' ); ?></h2>

	<?php 
		if (!empty($upgrade_message)) { echo '<div class="updated"><p>' . $upgrade_message . '</p></div>'; }
		if (!empty($message)) { echo $message; }  if (!empty($log_msg)) { echo "<!-- $log_msg -->"; } 
	?>
	 
	<div id="tabs">
    <ul>
        <li><a href="#tab-1"><span><?php _e('General', 'tweetblender'); ?></span></a></li>
        <li><a href="#tab-2"><span><?php _e('Widgets', 'tweetblender'); ?></span></a></li>
        <li><a href="#tab-3"><span><?php _e('Archive', 'tweetblender'); ?></span></a></li>
        <li><a href="#tab-4"><span><?php _e('Filters', 'tweetblender'); ?></span></a></li>
        <li><a href="#tab-5"><span><?php _e('Advanced', 'tweetblender'); ?></span></a></li>
        <li id="statustab"><a href="#tab-6"><span><?php _e('Status', 'tweetblender'); ?></span></a></li>
        <li id="cache-manager-tab"><a href="#tab-7"><span><?php _e('Cache', 'tweetblender'); ?></span></a></li>
        <li id="nstyle-tab"><a href="#tab-8"><span><?php _e('nStyle', 'tweetblender'); ?></span></a></li>
        <li><a href="#tab-9"><span><?php _e('Help', 'tweetblender'); ?></span></a></li>
    </ul>

	<form name="settings_form" id="settings_form" method="post" action="<?php echo str_replace( '%7E', '~', esc_attr($_SERVER['REQUEST_URI'])); ?>">
	<input type="hidden" id="tb_new_data" name="tb_new_data" value="Y" />
	<input type="hidden" id="tb_tab_index" name="tb_tab_index" value="" />
	<?php
	if ( function_exists('wp_nonce_field') )
		wp_nonce_field('tweet_blender_settings_save','tb_nonce');
	?>

    <div id="tab-1">
    <!-- General settings -->
		<table class="form-table">
		<tr valign="top">
			<th class="th-full" colspan="2" scope="row">
			<label for="general_link_urls">
			<input type="checkbox" name="general_link_urls" <?php checked('on', $tb_o['general_link_urls']); ?>/>
			<?php _e("Link http &amp; https URLs insde tweet text", 'tweetblender' ); ?>
			</label>
			</th>
		</tr>
		<tr valign="top">
			<th class="th-full" colspan="2" scope="row">
			<label for="general_link_screen_names">
			<input type="checkbox" name="general_link_screen_names" <?php checked('on', $tb_o['general_link_screen_names']); ?>/>
			<?php _e('Link @screenname inside tweet text', 'tweetblender' ); ?>
			</label>
			</th>
		</tr>
		<tr valign="top">
			<th class="th-full" colspan="2" scope="row">
			<label for="general_link_hash_tags">
			<input type="checkbox" name="general_link_hash_tags" <?php checked('on', $tb_o['general_link_hash_tags']); ?>/>
			<?php _e("Link #hashtags insde tweet text", 'tweetblender' ); ?>
			</label>
			</th>
		</tr>
		<tr valign="top">
			<th class="th-full" colspan="2" scope="row">
			<h3><?php _e('SEO', 'tweetblender'); ?></h3>
			<label for="general_seo_tweets_googleoff">
			<input type="checkbox" name="general_seo_tweets_googleoff" <?php checked('on', $tb_o['general_seo_tweets_googleoff']); ?>/>
			<?php _e('Wrap all tweets with googleoff/googleon tags to prevent indexing', 'tweetblender' ); ?>
			</label>
			</th>
		</tr>
		<tr valign="top">
			<th class="th-full" colspan="2" scope="row">
			<label for="general_seo_footer_googleoff">
			<input type="checkbox" name="general_seo_footer_googleoff" <?php checked('on', $tb_o['general_seo_footer_googleoff']); ?>/>
			<?php _e('Wrap footer with date and time in all tweets with googleoff/googleon tags to prevent indexing', 'tweetblender' ); ?>
			</label>
			</th>
		</tr>
		</table>
	</div>

    <div id="tab-2">
    <!-- Widgets Settings -->
		<table class="form-table">
		<tr valign="top">
			<th class="th-full" colspan="2" scope="row">
			<label for="widget_check_sources">
			<input type="checkbox" name="widget_check_sources" <?php checked('on', $tb_o['widget_check_sources']); ?>/>
			<?php _e("Check and verify sources when widget settings are saved", 'tweetblender' ); ?>
			</label>
			</th>
		</tr>
		<tr valign="top">
			<th class="th-full" colspan="2" scope="row">
			<label for="widget_show_header">
			<input type="checkbox" name="widget_show_header" <?php checked('on', $tb_o['widget_show_header']); ?>/>
			<?php _e("Show header with Twitter logo and refresh link for each widget", 'tweetblender' ); ?>
			</label>
			</th>
		</tr>
		<tr valign="top">
			<th class="th-full" colspan="2" scope="row">
			<label for="widget_show_photos">
			<input type="checkbox" name="widget_show_photos" <?php checked('on', $tb_o['widget_show_photos']); ?>/>
			<?php _e("Show the photo from the author for each tweet", 'tweetblender' ); ?>
			</label>
			</th>
		</tr>
		<tr valign="top">
			<th class="th-full" colspan="2" scope="row">
			<label for="widget_show_user">
			<input type="checkbox" name="widget_show_user" <?php checked('on', $tb_o['widget_show_user']); ?>/>
			<?php _e("Show username from the author for each tweet", 'tweetblender' ); ?>
			</label>
			</th>
		</tr>
		<tr valign="top">
			<th class="th-full" colspan="2" scope="row">
			<label for="widget_show_source">
			<input type="checkbox" name="widget_show_source" <?php checked('on', $tb_o['widget_show_source']); ?>/>
			<?php _e("Show tweet source for each tweet", 'tweetblender' ); ?>
			</label>
			</th>
		</tr>
		<tr valign="top">
			<th class="th-full" colspan="2" scope="row">
			<label for="widget_show_reply_link">
			<input type="checkbox" name="widget_show_reply_link" <?php checked('on', $tb_o['widget_show_reply_link']); ?>/>
			<?php _e("Show reply link for each tweet (on mouse over)", 'tweetblender' ); ?>
			</label>
			</th>
		</tr>
		<tr valign="top">
			<th class="th-full" colspan="2" scope="row">
			<label for="widget_show_follow_link">
			<input type="checkbox" name="widget_show_follow_link" <?php checked('on', $tb_o['widget_show_follow_link']); ?>/>
			<?php _e("Show follow link for each tweet (on mouse over)", 'tweetblender' ); ?>
			</label>
			</th>
		</tr>
		</table>
	</div>
	
    <div id="tab-3">
	<!-- Archive Page Settings -->
		<table class="form-table" id="archivesettings">
		<tr valign="top">
			<th class="th-full" colspan="2" scope="row">
			<label for="archive_is_disabled">
			<input type="checkbox" id="archive_is_disabled" name="archive_is_disabled" <?php checked('on', $tb_o['archive_is_disabled']); ?>/>
			<?php _e('Disable archive page', 'tweetblender' ); ?> 
			</label>
			</th>
		</tr>
		<tr valign="top" <?php if (isset($tb_o['archive_is_disabled']) && $tb_o['archive_is_disabled']) echo 'style="display:none;"'; ?>>
			<th class="th-full" colspan="2" scope="row">
			<label for="archive_auto_page">
			<input type="checkbox" id="archive_auto_page" name="archive_auto_page" <?php checked('on', $tb_o['archive_auto_page']); ?>/>
			<?php _e('Create archive page automatically', 'tweetblender' ); ?> 
			</label>
			</th>
		</tr>
		<tr valign="top" <?php if (isset($tb_o['archive_is_disabled']) && $tb_o['archive_is_disabled']) echo 'style="display:none;"'; ?>>
			<th scope="row"><label for="archive_tweets_num"><?php _e('Maximum number of tweets to show', 'tweetblender' ); ?>:
			</label></th>
			<td>
			<select name="archive_tweets_num">
				<?php
				for ($i = 10; $i <= 90; $i+=10) {
					echo '<option value="' . $i . '"';
					if (isset($tb_o['archive_tweets_num']) && $i == $tb_o['archive_tweets_num']) {
						echo ' selected';
					}
					echo '>' . $i . '</option>';
				}
				for ($i = 100; $i <= 500; $i+=100) {
					echo '<option value="' . $i . '"';
					if ($i == $tb_o['archive_tweets_num']) {
						echo ' selected';
					}
					echo '>' . $i . '</option>';
				}
			?></select></td>
		</tr>
		<tr valign="top" <?php if (isset($tb_o['archive_is_disabled']) && $tb_o['archive_is_disabled']) echo 'style="display:none;"'; ?>>
			<th scope="row"><label for="archive_keep_tweets"><?php _e('Automatically remove tweets that are older than', 'tweetblender' ); ?>:
			</label></th>
			<td>
			<select name="archive_keep_tweets">
			<?php
				foreach ($tb_keep_tweets_options as $name => $days) {
					echo '<option value="' . $days . '"';
					if (isset($tb_o['archive_keep_tweets']) && $days == $tb_o['archive_keep_tweets']) {
						echo ' selected';
					}
					echo '>' . $name . '</option>';
				}
			?></select></td>
		</tr>
		<tr valign="top" <?php if (isset($tb_o['archive_is_disabled']) && $tb_o['archive_is_disabled']) echo 'style="display:none;"'; ?>>
			<th class="th-full" colspan="2" scope="row">
			<label for="archive_show_photos">
			<input type="checkbox" name="archive_show_photos" <?php checked('on', $tb_o['archive_show_photos']); ?>/>
			<?php _e("Show the photo from the author for each tweet", 'tweetblender' ); ?>
			</label>
			</th>
		</tr>
		<tr valign="top" <?php if (isset($tb_o['archive_is_disabled']) && $tb_o['archive_is_disabled']) echo 'style="display:none;"'; ?>>
			<th class="th-full" colspan="2" scope="row">
			<label for="archive_show_user">
			<input type="checkbox" name="archive_show_user" <?php checked('on', $tb_o['archive_show_user']); ?>/>
			<?php _e("Show username from the author for each tweet", 'tweetblender' ); ?>
			</label>
			</th>
		</tr>
		<tr valign="top" <?php if (isset($tb_o['archive_is_disabled']) && $tb_o['archive_is_disabled']) echo ' style="display:none;"'; ?>>
			<th class="th-full" colspan="2" scope="row">
			<label for="archive_show_source">
			<input type="checkbox" name="archive_show_source" <?php checked('on', $tb_o['archive_show_source']); ?>/>
			<?php _e("Show tweet source for each tweet", 'tweetblender' ); ?>
			</label>
			</th>
		</tr>
		<tr valign="top" <?php if (isset($tb_o['archive_is_disabled']) && $tb_o['archive_is_disabled']) echo ' style="display:none;"'; ?>>
			<th class="th-full" colspan="2" scope="row">
			<label for="archive_show_reply_link">
			<input type="checkbox" name="archive_show_reply_link" <?php checked('on', $tb_o['archive_show_reply_link']); ?>/>
			<?php _e("Show reply link for each tweet (on mouse over)", 'tweetblender' ); ?>
			</label>
			</th>
		</tr>
		<tr valign="top" <?php if (isset($tb_o['archive_is_disabled']) && $tb_o['archive_is_disabled']) echo ' style="display:none;"'; ?>>
			<th class="th-full" colspan="2" scope="row">
			<label for="archive_show_follow_link">
			<input type="checkbox" name="archive_show_follow_link" <?php checked('on', $tb_o['archive_show_follow_link']); ?>/>
			<?php _e("Show follow link for each tweet (on mouse over)", 'tweetblender' ); ?>
			</label>
			</th>
		</tr>
		</table>
	</div>
	
	<div id="tab-4">
	<!-- Filtering -->
		<table class="form-table">
		<tr valign="top">
			<th scope="row"><label for="filter_limit_per_source"><?php _e('Throttling', 'tweetblender' ); ?>:</label></th>
			<td>
			<?php 
				$throttle_select1 = '<select name="filter_limit_per_source"><option value="">' . __('All', 'tweetblender') . '</option>';
				foreach (range(1,10) as $lim) {
					$throttle_select1 .= '<option value="' . $lim . '"';
					if (isset($tb_o['filter_limit_per_source']) && $lim == $tb_o['filter_limit_per_source']) {
						$throttle_select1 .= ' selected';
					}
					$throttle_select1 .= '>' . $lim . '</option>';
				}
				$throttle_select1 .= '</select>';
				
				$throttle_select2 = '<select name="filter_limit_per_source_time">';
				foreach ($tb_throttle_time_options as $name => $sec) {
					$throttle_select2 .= '<option value="' . $sec . '"';
					if (isset($tb_o['filter_limit_per_source_time']) && $sec == $tb_o['filter_limit_per_source_time']) {
						$throttle_select2 .= ' selected';
					}
					$throttle_select2 .= '>' . $name . '</option>';
				}
				$throttle_select2 .= '</select>';
				
				echo sprintf(__('For each user show a maximum of %s tweet(s) within %s', 'tweetblender'), $throttle_select1, $throttle_select2);
			?>
			</td>
		</tr>
		<tr valign="top">
			<th scope="row"><label for="filter_lang"><?php _e('Show only tweets in', 'tweetblender' ); ?>:</label></th>
			<td>
			<select name="filter_lang">
				<?php
				foreach ($tb_languages as $code => $lang) {
					echo '<option value="' . $code . '"';
					if (isset($tb_o['filter_lang']) && $code == $tb_o['filter_lang']) {
						echo ' selected';
					}
					echo '>' . $lang . '</option>';
				}
			?></select>
			</td>
		</tr>
		<tr valign="top">
	 		<th class="th-full" colspan="2" scope="row">
			<input type="checkbox" name="filter_hide_same_text" <?php checked('on', $tb_o['filter_hide_same_text']); ?>/>
			<label for="filter_hide_same_text"><?php _e("Hide tweets that come from different users but have exactly the same text", 'tweetblender' ); ?></label>
			</th>
		</tr>
		<tr valign="top">
	 		<th class="th-full" colspan="2" scope="row">
			<input type="checkbox" id="filter_hide_replies" name="filter_hide_replies" <?php checked('on', $tb_o['filter_hide_replies']); ?>/>
			<label for="filter_hide_replies"><?php _e("Hide replies", 'tweetblender' ); ?></label>
			</th>
		</tr>
		<tr valign="top">
	 		<th class="th-full" colspan="2" scope="row">
			<input type="checkbox" id="filter_hide_not_replies" name="filter_hide_not_replies" <?php checked('on', $tb_o['filter_hide_not_replies']); ?>/>
			<label for="filter_hide_not_replies"><?php _e("Show only replies", 'tweetblender' ); ?></label>
			</th>
		</tr>
		<tr valign="top">
	 		<th class="th-full" colspan="2" scope="row">
			<input type="checkbox" name="filter_hide_mentions" <?php checked('on', $tb_o['filter_hide_mentions']); ?>/>
			<label for="filter_hide_mentions"><?php _e("Hide mentions of users, only show tweets from users themselves", 'tweetblender' ); ?></label>
			</th>
		</tr>
		<!-- FUTURE: location-based selection
		<tr>
			<th scope="row"><label for="filter_location_name"><?php _e('Show only tweets near this place ', 'tweetblender' ); ?>:</label></th>
			<td><input type="text" size="30" name="filter_location_name" value="<?php echo $tb_o['filter_location_name']; ?>"><br/>
				<label for="filter_location_dist">Within </label>
				<select name="filter_location_dist">
				<?php
				foreach (array(5,10,15,20,50,100,200,500) as $dist) {
					echo '<option value="' . $dist . '"';
					if ($dist == $tb_o['filter_location_dist']) {
						echo ' selected';
					}
					echo '>' . $dist . '</option>';
				}
				?></select>
				<select name="filter_location_dist_units">
				<?php
				foreach (array('mi' => 'miles','km' => 'kilometers') as $du => $dist_units) {
					echo '<option value="' . $du . '"';
					if ($du == $tb_o['filter_location_dist_units']) {
						echo ' selected';
					}
					echo '>' . $dist_units . '</option>';
				}
				?></select>
			</td>
		</tr>
		-->
		<tr valign="top">
			<th scope="row"><label for="filter_bad_strings"><?php _e('Exclude tweets that contain these users, words or hashtags', 'tweetblender' ); ?>: </label>
			</th>
			<td valign="top">
			<textarea id="filter_bad_strings" name="filter_bad_strings" rows=2 cols=60><?php if (isset($tb_o['filter_bad_strings'])) { echo stripslashes($tb_o['filter_bad_strings']); } ?></textarea> 
				<br/>
				<span class="setting-description"><?php _e('You can use single keywords, usernames, or phrases. Do not use @ for screen names. Separate with commas. Example: #spam,badword,entire bad phrase,badUser,anotherBadUser,#badHashTag', 'tweetblender' ); ?></span>
			</td>
		</tr>
		</table>
	</div>
	
	<div id="tab-5">
	<!-- Advanced Settings -->
		<table class="form-table">
		<tr valign="top">
			<th class="th-full" colspan="2" scope="row">
			<label for="advanced_reroute_on">
			<input type="checkbox" name="advanced_reroute_on" <?php checked('on', $tb_o['advanced_reroute_on']); ?>/>
			<?php _e('Re-route Twitter traffic through this server', 'tweetblender' ); ?> 
			</label> (<input type="radio" value="oauth" name="advanced_reroute_type" <?php checked('oauth', $tb_o['advanced_reroute_type']); ?>/> <?php _e('user account based with oAuth', 'tweetblender' ); ?> <input type="radio" value="direct" name="advanced_reroute_type" <?php checked('direct', $tb_o['advanced_reroute_type']); ?>/> <?php _e('IP based', 'tweetblender' ); ?>)<br/>
			<span class="setting-description"><?php _e('This option allows you to reroute all API calls to Twitter via your server. This is to be used ONLY if your server is a white-listed server that has higher connection allowance than each individual user.  Each user can make up to 150 Twitter API connections per hour. Each visitor to your site will have their own limit i.e. their own 150. Checking the box will make all visitors to the site use your servers connection limit, not their own limit. If you did not prearranged with Twitter to have that limit increased that means that it will be 150 for ALL visitors - be careful.', 'tweetblender' ); ?></span>
			</th>
		</tr>
		<tr valign="top">
			<th class="th-full" colspan="2" scope="row">
			<label for="advanced_show_limit_msg">
			<input type="checkbox" name="advanced_show_limit_msg" <?php checked('on', $tb_o['advanced_show_limit_msg']); ?>/>
			<?php _e('Notify user when Twitter API connection limit is reached', 'tweetblender' ); ?> 
			</label><br/>
			<span class="setting-description">
				<?php _e('When the API connection limit is reached and there is no cached data Tweet Blender can not show new tweets. If you check this box the plugin will show a message to user that will tell them that limit has been reached. In addition, the message will show how soon fresh tweets will be available again. If you do not check the box the message will not be shown - the tweets just will not be refreshed until plugin is able to get fresh data.', 'tweetblender' ); ?>
			</span>
			</th>
		</tr>
		<tr valign="top">
			<th class="th-full" colspan="2" scope="row">
			<label for="advanced_disable_cache">
			<input type="checkbox" name="advanced_disable_cache" <?php checked('on', $tb_o['advanced_disable_cache']); ?>/>
			<?php _e('Disable data caching', 'tweetblender' ); ?> 
			</label><br/>
			<span class="setting-description">
				<?php _e('Every time Tweet Blender refreshes, it stores data it receives from Twitter into a special cache on your server. Once a user reaches his API connection limit Tweet Blender starts using cached data. Cached data is centralized and is updated by all users so even if one user is at a limit s/he can still get fresh tweets as cache is updated by other users that have not yet reached their limit. If you do not want to cache data (to save bandwidth or for some other reason) then check this box.', 'tweetblender' );  echo '<b>' . __('Important','tweetblender') . ': ' . __('clears all cached tweets','tweetblender') . '</b>.'; ?>
			</span>
			</th>
		</tr>
		<tr valign="top">
			<th scope="row"><label for="general_timestamp_format"><?php _e('Timestamp Format', 'tweetblender' ); ?>:
			</label></th>
			<td><input type="text" name="general_timestamp_format" value="<?php if (isset($tb_o['general_timestamp_format'])) { echo $tb_o['general_timestamp_format']; } ?>"/> <span class="setting-description"><br/>
				<?php _e('leave blank = verbose from now ("4 minutes ago")', 'tweetblender' ); ?><br/>
				<?php _e('h = 12-hour format of an hour with leading zeros ("08")', 'tweetblender' ); ?><br/>
				<?php _e('i = Minutes with leading zeros ("01")', 'tweetblender' ); ?><br/>
				<?php _e('s = Seconds, with leading zeros ("01")', 'tweetblender' ); ?><br/>
				<a href="http://php.net/manual/en/function.date.php"><?php _e('additional format options', 'tweetblender' ); ?> &raquo;</a>
			</span></td>
		</tr>
		<?php if(isset($tb_o['oauth_access_token'])) { ?>
		<tr valign="top">
			<th class="th-full" colspan="2" scope="row">
			<label for="reset_oauth">
			<input type="checkbox" name="reset_oauth" value="1">
			<?php _e('Clear oAuth Access Tokens', 'tweetblender' ); ?> 
			</label><br/>
			<span class="setting-description">
				<?php _e('To get tweets from private users Tweet Blender needs to login to twitter using your credentials. Once you authorize access, the special tokens are stored in the configuration settings. This is NOT a username or password. Your username/password is NOT stored.  The tokens are tied to a specific Twitter account so if you changed your account or would like to use another account for authentication check this box to have previously saved tokens cleared.', 'tweetblender' ); ?>
			</span>
			</th>
		</tr>
		<?php } ?>
		<tr valign="top">
			<th class="th-full" colspan="2" scope="row">
			<label for="advanced_no_search_api">
			<input type="checkbox" name="advanced_no_search_api" <?php checked('on', $tb_o['advanced_no_search_api']); ?>/>
			<?php _e('Do not use search API for screen names', 'tweetblender' ); ?> 
			</label><br/>
			<span class="setting-description">
				<?php _e("To get tweets for screen names Tweet Blender relies on Twitter Search API; however, sometimes Twitter's search does not return any tweets for a particular account due to some complex internal relevancy rules. If you see tweets for a user when looking at http://twitter.com/{someusername} but you do not see tweets for that same user when you look at http://search.twitter.com/search?q={@someusername} you can try to check this box and have Tweet Blender switch to a different API to retrieve recent tweets.", 'tweetblender' ); echo '<b>' . __('Important','tweetblender') . ': ' . __('screen names with modifiers (e.g. @user|#topic), keywords, and hastagas will still use Search API','tweetblender') . '</b>.'; ?>
			</span>
			</th>
		</tr>
		</table>
	</div>

	<div id="tab-6">
	<!-- Status -->
		<table class="form-table">
		<tr>
			<th><?php _e('API requests from blog server', 'tweetblender' ); ?>:</th>
			<td><?php
				if ($api_limit_data) {
					echo sprintf(__('Max is %d/hour', 'tweetblender') . ' &middot; ', $api_limit_data->hourly_limit);
					if ($api_limit_data->remaining_hits > 0) {
						echo sprintf(__('You have %s left', 'tweetblender') . ' &middot; ','<span class="pass">' . $api_limit_data->remaining_hits . '</span>') ;
					}
					else {
						echo sprintf(__('You have %s left', 'tweetblender') . ' &middot; ', '<span class="fail">'. 0 . '</span>');
					}
					echo __('Next reset', 'tweetblender') . ' ' . tb_verbal_time($api_limit_data->reset_time_in_seconds);
				}
				else {
					echo '<span class="fail">' . __('Check failed', 'tweetblender') . '</span>';
				}
				if (isset($tb_o['advanced_reroute_on']) && ($tb_o['advanced_reroute_on'] && $tb_o['advanced_reroute_type'] == 'oauth')) {
					echo '<br/>' . __('checked with user account (oAuth)', 'tweetblender');
				}
				else {
					$server_address = __('[IP NOT AVAILABLE]', 'tweetblender');
					if (isset($_SERVER['SERVER_ADDR'])) {
							$server_address = esc_attr($_SERVER['SERVER_ADDR']);
					}
					echo '<br/>' . __('checked with IP of your server','tweetblender') . ' (' . $server_address . ')';
				}
			?></td>
		</tr>
		<tr>
			<th><?php _e('API requests from your computer', 'tweetblender' ); ?>:</th>
			<td id="locallimit"></td>
		</tr>
		<tr>
			<th><?php _e('oAuth Access Tokens', 'tweetblender' ); ?>:</th>
			<td><?php 
			if(isset($tb_o['oauth_access_token'])) {
				echo '<span class="pass">' . __('Present', 'tweetblender') . '</span>';
			}
			elseif (!empty($have_private_sources) && !isset($tb_o['oauth_access_token'])) {
				echo '<span class="fail">' . __('Not Present', 'tweetblender') . '</span>';
			}
			else {
				echo __('Not Needed' , 'tweetblender');
			}
			?></td>
		</tr>
		<tr>
			<th><?php _e('Cache', 'tweetblender' ); ?>:</th>
			<td>
				<?php	
				
				if ($cached_sources = tb_get_cache_stats()) {
  					// Output each opened file and then close
					foreach ((array)$cached_sources as $cache_src) {
						$s = __("tweet",'tweetblender');
						if ($cache_src->tweets_num != 1) {
							$s = __("tweets",'tweetblender');
						}
						echo '<input type="checkbox" name="delete_cache_src[]" value="' . esc_attr($cache_src->source) . '" /> ';					
				       	echo urldecode($cache_src->source) . " - " . $cache_src->tweets_num . " $s - " . __("updated",'tweetblender') . ' ' . tb_verbal_time($cache_src->last_update) . '<br/>';
					}
					echo '<label for="delete_cache_src[]"> &nbsp;&uarr; ' . __('Check the boxes above to clear cached tweets from the database', 'tweetblender') . '</label>';
				}
				elseif (!isset($tb_o['advanced_disable_cache']) || $tb_o['advanced_disable_cache'] == false) {
					echo '<span class="fail">' . __('no cached tweets found and caching is ON', 'tweetblender') . '</span>';
				}
				else {
					echo '<span class="pass">' . __('no cached tweets found and caching is OFF', 'tweetblender') . '</span>';
				}

				?>
			</td>
		</tr>
		</table>
	</div>

	</form>

	<div id="tab-7">

	<?php 
		// if Cache Manager is not installed
		if (!$tb_installed_addons[1]) { 
	?>
	
	<h2><?php _e('Cache Manager Is Not Installed', 'tweetblender' ); ?></h2>
	<div class="box-left">
	<p><?php _e('Install Cache Manager addon for Tweet Blender and instantly take advantage of the following features', 'tweetblender' ); ?>:</p>
	<ol class="feature-set">
		<li><?php _e('See all the tweets stored in your cache database', 'tweetblender' ); ?></li>
		<li><?php _e('Delete individual tweets or groups of tweets', 'tweetblender' ); ?></li>
		<li><?php _e('Backup and restore your cache', 'tweetblender' ); ?></li>
	</ol>
	<p><?php echo sprintf(__('Click the button below to purchase the addon for a <b>one time flat fee of $%s</b>. This will perform a one-click install of a new plugin and you will get FREE upgrades with new features in the future.', 'tweetblender' ),'2.99'); ?></p>
	<div class="centered">
		<form action="https://www.paypal.com/cgi-bin/webscr" method="post">
		<input type="hidden" name="cmd" value="_xclick" />
		<input type="hidden" name="business" value="tweetblender@gmail.com" />
		<input type="hidden" name="lc" value="US" />
		<input type="hidden" name="currency_code" value="USD" />
		<input type="hidden" name="no_note" value="1" />
		<input type="hidden" name="amount" value="2.99" />
		<input type="hidden" name="item_name" value="Cache Manager for Tweet Blender" />
		<input type="hidden" name="item_number" value="1" />
		<input type="hidden" name="no_shipping" value="1" />
		<input type="hidden" name="custom" value="<?php bloginfo('url'); ?>" />
		<input type="hidden" name="notify_url" value="http://tweetblender.com/ipn.php" />
		<input type="hidden" name="image_url" value="http://tweetblender.com/tweet-blender-logo_150x50.png" />
		<input type="hidden" name="return" value="<?php echo tb_get_current_page_url(); ?>&install_addon=1" />
		<input type="hidden" name="cbt" value="Return to your site to complete installation" />
		<input type="hidden" name="cancel_return" value="<?php echo tb_get_current_page_url(); ?>#tab-7" />
		<input type="submit" name="submit" class="button-secondary" value="<?php _e('Get Cache Manager', 'tweetblender' ); ?>" />
		<img alt="" border="0" src="https://www.paypal.com/en_US/i/scr/pixel.gif" width="1" height="1" />
	</form>
	
	</div>
	</div>
	<div class="box-right centered">
		<a href="<?php echo plugins_url('tweet-blender/screenshot-10.png'); ?>" title="Cache Manager for Tweet Blender"><img class="tb-addon-screenshot" src="<?php echo plugins_url('tweet-blender/img/cache_manager_th.jpg'); ?>" /></a>
	</div>
	<br clear="all" />
	<?php 
		// if Cache Manager is not active
		} else if(!$tb_active_addons[1]) { 
	?>
	<h2><?php _e('Cache Manager Is Not Active', 'tweetblender' ); ?></h2>
	<p><?php _e('You have the Cache Manager plugin installed but not activated. Please use the [Plugins] menu on the left to activate the plugin', 'tweetblender' ); ?></p>

	<?php
		// else Cache Manager is available
		} else {
			echo tb_cm_get_cache_page_html();
		} 
	?>
	
	</div>

	<div id="tab-8">

	<?php 
		// if nStyle is not installed
		if (!$tb_installed_addons[2]) { 
	?>
	
	<h2><?php _e('Tweet Blender nStyle Is Not Installed', 'tweetblender' ); ?></h2>
	<div class="box-left">
	<p><?php _e('Install nStyle addon for Tweet Blender and instantly take advantage of the following features', 'tweetblender' ); ?>:</p>
	<ol class="feature-set">
		<li><?php _e('Adjust colors for text, links, backgrounds', 'tweetblender' ); ?></li>
		<li><?php _e('Adust font style, size, and spacing', 'tweetblender' ); ?></li>
		<li><?php _e('Control the size of widget', 'tweetblender' ); ?></li>
		<li><?php _e('Enable smooth scrolling', 'tweetblender' ); ?></li>
		<li><?php _e('Control the size of thumbnails', 'tweetblender' ); ?></li>
		<li><?php _e('Show alternating background colors', 'tweetblender' ); ?></li>
		<li><?php _e('Switch layout from vertical to horizontal', 'tweetblender' ); ?></li>
		<li><?php _e('Define completely custom template for tweets', 'tweetblender' ); ?></li>
		<li><?php _e('Turn off default plugin CSS', 'tweetblender' ); ?></li>
		<li>Have other ideas? <a href="http://getsatisfaction.com/tweet_blender/topics/new">Please tell me</a></li>
	</ol>
	<p><?php echo sprintf(__('Click the button below to purchase the addon for a <b>one time flat fee of $%s</b>. This will perform a one-click install of a new plugin and you will get FREE upgrades with new features in the future.', 'tweetblender' ),'8.99'); ?></p>
	<div class="centered">
	<!-- Coming soon
		<form action="https://www.paypal.com/cgi-bin/webscr" method="post">
		<input type="hidden" name="cmd" value="_xclick" />
		<input type="hidden" name="business" value="tweetblender@gmail.com" />
		<input type="hidden" name="lc" value="US" />
		<input type="hidden" name="currency_code" value="USD" />
		<input type="hidden" name="no_note" value="1" />
		<input type="hidden" name="amount" value="8.99" />
		<input type="hidden" name="item_name" value="nStyle for Tweet Blender" />
		<input type="hidden" name="item_number" value="2" />
		<input type="hidden" name="no_shipping" value="1" />
		<input type="hidden" name="custom" value="<?php bloginfo('url'); ?>" />
		<input type="hidden" name="notify_url" value="http://tweetblender.com/ipn.php" />
		<input type="hidden" name="image_url" value="http://tweetblender.com/tweet-blender-logo_150x50.png" />
		<input type="hidden" name="return" value="<?php echo tb_get_current_page_url(); ?>&install_addon=1" />
		<input type="hidden" name="cbt" value="Return to your site to complete installation" />
		<input type="hidden" name="cancel_return" value="<?php echo tb_get_current_page_url(); ?>#tab-8" />
		<input type="submit" name="submit" class="button-secondary" value="<?php _e('Get nStyle', 'tweetblender' ); ?>" />
		<img alt="" border="0" src="https://www.paypal.com/en_US/i/scr/pixel.gif" width="1" height="1" />
	</form>
	 -->
	 [COMING SOON!]
	</div>
	</div>
	<div class="box-right centered">
		<!--  a href="<?php echo plugins_url('tweet-blender/screenshot-11.png'); ?>" title="nStyle for Tweet Blender"><img class="tb-addon-screenshot" src="<?php echo plugins_url('tweet-blender/img/nstyle_th.jpg'); ?>" /></a  -->
	</div>
	<br clear="all" />
	<?php 
		// if nStyle is not active
		} else if(!$tb_active_addons[2]) { 
	?>
	<h2><?php _e('nStyle Is Not Active', 'tweetblender' ); ?></h2>
	<p><?php _e('You have the Tweet Blender nStyle plugin installed but not activated. Please use the [Plugins] menu on the left to activate the plugin', 'tweetblender' ); ?></p>

	<?php
		// else nStyle is available
		} else {
			echo tb_ns_get_page_html();
		} 
	?>
	
	</div>

	<div id="tab-9">
	<?php _e('GetSatisfaction.com Community', 'tweetblender' ); ?>: <a href="http://getsatisfaction.com/tweet_blender">http://getsatisfaction.com/tweet_blender</a><br/>
	<?php _e('Facebook Page', 'tweetblender' ); ?>: <a href="http://www.facebook.com/pages/Tweet-Blender/96201618006">http://www.facebook.com/pages/Tweet-Blender/96201618006</a><br/>
	<?php _e('Twitter', 'tweetblender' ); ?>: <a href="http://twitter.com/tweetblender"> http://twitter.com/tweetblender</a><br/>
	<?php _e('Homepage', 'tweetblender' ); ?>: <a href="http://www.tweetblender.com">http://www.tweetblender.com</a><br/>
	</div>

	</div>
	
	

	<p class="submit">
	<input id="btn_save_settings" type="button" class="button-primary" value="<?php _e('Save Settings', 'tweetblender' ) ?>" />
	</p>
</div>

<?php
 
}

function tb_get_cache_stats() {
	global $wpdb;
	$table_name = $wpdb->prefix . "tweetblender";
	
	$sql = "SELECT source, COUNT(*) AS tweets_num, UNIX_TIMESTAMP(MAX(created_at)) AS last_update FROM " . $table_name . " GROUP BY source";
	$results = $wpdb->get_results($sql);
	
	return $results;
}

?>