<?php
# get config parameters for gigya, and set it as global
if(!function_exists('gigya_init_options') ) :
	function gigya_init_options(){
		global $GIGYA_OPTIONS,$wpdb;
		
		$current_options = get_option(GIGYA_SETTINGS_PREFIX);
		
		if(!$current_options) {
			$options = array();
			# check settings of old version of plugin
			$old_options = get_option("GS for WordPress Settings");
			if($old_options) {
				if(!empty($old_options["gs-for-wordpress-api-key"])) $options["api_key"] = $old_options["gs-for-wordpress-api-key"];
				if(!empty($old_options["gs-for-wordpress-secret-key"])) $options["secret_key"] = $old_options["gs-for-wordpress-secret-key"];
				if(!empty($old_options["gs-for-wordpress-post-login-redirect"])) $options["post_login_redirect"] = $old_options["gs-for-wordpress-post-login-redirect"]; 
				if(!empty($old_options["gs-for-wordpress-sign-in-component-ui"])) $options["login_ui"] = $old_options["gs-for-wordpress-sign-in-component-ui"];
			}
			
			$current_options = array_merge($options,array(
				"force_email"     => "1",
				"account_linking" => "1",
				"login_plugin" => "1",
				"login_plugin_startup" => "1",
				"share_providers" => "facebook-like,google-plusone,share,twitter,email",
				"share_providers_startup" => "1"
			));
			
			update_option(GIGYA_SETTINGS_PREFIX,$current_options);
			
		} else {
			$update = 0;
			if(!isset($current_options["login_plugin_startup"])) {
				$update = 1;
				$current_options["login_plugin"] = "1";
				$current_options["login_plugin_startup"] = "1";
			}
			if(!isset($current_options["share_providers_startup"])) {
				$update = 1;
				$current_options["share_providers"] = "facebook-like,google-plusone,share,twitter,email";
				$current_options["share_providers_startup"] = "1";
			}
			
			if($update) update_option(GIGYA_SETTINGS_PREFIX,$current_options);
		}
		
		$GIGYA_OPTIONS = $current_options;
		
		
	}
endif;


# register js files
if(!function_exists('gigya_enque_js') ) :
	function gigya_enque_js($use_script){
		
		if(gigya_get_option("load_jquery")==1 || gigya_get_option("load_jquery")==2) {
			wp_deregister_script("jquery");
			
			$jquery_path = gigya_get_option("load_jquery")==1 ? GIGYA_PLUGIN_URL."/js/jquery/jquery.1.7.1.min.js" : "https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js";
			$jquery_ui_path = gigya_get_option("load_jquery")==1 ? GIGYA_PLUGIN_URL."/js/jquery/jquery-ui-1.8.16.min.js" : "https://ajax.googleapis.com/ajax/libs/jqueryui/1.8.16/jquery-ui.min.js";
			
			wp_register_script("jquery",$jquery_path,array(),"1.7.1");
			wp_register_script("jquery-ui",$jquery_ui_path,array("jquery"),"1.8.16");
			
			$raw_js_files  = array();
			array_push($raw_js_files,array("name"=>"jquery","is_enque"=>1,"url"=>$jquery_path,"is_admin"=>0));
			if(!is_user_logged_in() && is_active_widget(false,false,"gigya",false)) {
				array_push($raw_js_files,array("name"=>"jquery-ui","is_enque"=>1,"url"=>$jquery_ui_path,"is_admin"=>0));
				array_push($raw_js_files,array("name"=>"jquery.tmpl","is_enque"=>0,"url"=>GIGYA_PLUGIN_URL."/js/jquery.tmpl.js","is_admin"=>0));
				array_push($raw_js_files,array("name"=>"json2","is_enque"=>1,"url"=>"json2.js","is_admin"=>0));
			}
			array_push($raw_js_files,array("name"=>"gigya","is_enque"=>0,"url"=>GIGYA_PLUGIN_URL."/js/gigya.js","is_admin"=>0));
			//array_push($raw_js_files,array("name"=>"gigya-socialize","is_enque"=>0,"url"=>"http://cdn.gigya.com/JS/socialize.js?apikey=".gigya_get_option("api_key"),"is_admin"=>1));
			
		} else {
			$raw_js_files  = array();
			array_push($raw_js_files,array("name"=>"jquery","is_enque"=>1,"url"=>"jquery/jquery.js","is_admin"=>0));
			array_push($raw_js_files,array("name"=>"jquery.tmpl","is_enque"=>0,"url"=>GIGYA_PLUGIN_URL."/js/jquery.tmpl.js","is_admin"=>0));
			array_push($raw_js_files,array("name"=>"json2","is_enque"=>1,"url"=>"json2.js","is_admin"=>0));
			array_push($raw_js_files,array("name"=>"jquery-ui-core","is_enque"=>1,"url"=>"jquery/ui.core.js","is_admin"=>0));
			array_push($raw_js_files,array("name"=>"jquery-ui-draggable","is_enque"=>1,"url"=>"jquery/ui.draggable.js","is_admin"=>0));
			array_push($raw_js_files,array("name"=>"jquery-ui-resizable","is_enque"=>1,"url"=>"jquery/ui.resizable.js","is_admin"=>0));
			array_push($raw_js_files,array("name"=>"jquery-ui-dialog","is_enque"=>1,"url"=>"jquery/ui.dialog.js","is_admin"=>0));
			array_push($raw_js_files,array("name"=>"gigya","is_enque"=>0,"url"=>GIGYA_PLUGIN_URL."/js/gigya.js","is_admin"=>0));
			//array_push($raw_js_files,array("name"=>"gigya-socialize","is_enque"=>0,"url"=>"http://cdn.gigya.com/JS/socialize.js?apikey=".gigya_get_option("api_key"),"is_admin"=>1));	
		}
		
		
		$is_admin = is_admin(); 
		if(!$use_script) {
			foreach($raw_js_files as $file) {
				if(($is_admin && $file["is_admin"]) || !$is_admin) {
					if(!$file["is_enque"]) {
						wp_register_script($file["name"],$file["url"]);		
					}
					wp_enqueue_script($file["name"]);
				}
			} 	
		} else {
			$wp_js_path = get_bloginfo('wpurl').'/'.WPINC.'/js';
			gigya_enque_gigya_script();
			foreach($raw_js_files as $file) {
				$path = $file["is_enque"] ? "$wp_js_path/$file[url]" : $file[url]; 
				echo "<script type='text/javascript' src='$path'></script>";
			}
			
		}
			
	}
endif;

//function gigya_localize_script(){
//	wp_localize_script('gigyaplugin','gigyaPluginGlobals',array(
//		'version'     => GIGYA_VERSION
//	));
//}
//
//add_action('wp_enqueue_scripts','gigya_localize_script',1);	
	
if(!function_exists('gigya_enque_gigya_script') ) :
	function gigya_enque_gigya_script(){
?>
		<script type='text/javascript' src='http://cdn.gigya.com/js/socialize.js?apiKey=<?php echo gigya_get_option("api_key");?>&ver=<?php echo GIGYA_VERSION;?>'>
		<?php 
			
			$loginProviders = gigya_get_option("login_providers");
			$lang = gigya_get_option("lang");
			$global_params = gigya_get_option("global_params");
			if(empty($loginProviders)) $loginProviders = "*";
			if(empty($lang)) $lang = "en";
			if(empty($global_params)):
		?>
				{
		    		lang : '<?php echo $lang;?>',
			 		enabledProviders: '<?php echo $loginProviders;?>',
			 		connectWithoutLoginBehavior: 'alwaysLogin'
				}
		<?php else: ?>
			<?php echo $global_params;?>
		<?php endif; ?>	
		</script>
<?php 
	}
endif;

function gigya_enque_gigya_script_admin_init() {
    wp_enqueue_script('gigya-socialize',"http://cdn.gigya.com/js/socialize.js?apiKey=".gigya_get_option("api_key"),array(),GIGYA_VERSION);
}

add_action('admin_enqueue_scripts','gigya_enque_gigya_script_admin_init');

    
# get config params from gogya global options config
if(!function_exists('gigya_get_option') ) :
	function gigya_get_option($ns=null){
		global $GIGYA_OPTIONS;
		if($ns) return $GIGYA_OPTIONS[$ns];
		return !is_array($GIGYA_OPTIONS) ? array() :  $GIGYA_OPTIONS;
	}
endif;


if(!function_exists('gigya_msg') ) :
	function gigya_msg($error = null,$params = array()){
		$error = new GigyaSO_Msg($error);
		$error->render($params);
	}
endif;
#handle request for each user request to login
if(!function_exists('gigya_user_login')) :
	function gigya_user_login(){
		if(gigya_get_option("login_plugin") ==1):
			if(isset($_POST["userObject"]) && !empty($_POST["userObject"])) {
				$data = json_decode(stripslashes($_POST["userObject"]));
				if(is_object($data)) {
					// check if site allows registration of new users 
					if('0'== get_option( 'users_can_register' )) {
						gigya_msg(new WP_Error('error',__("New user registration is currently disabled for this site")));
						die();
					} else {
						$user = new GigyaSO_User($data);
						switch($_POST["actionType"]) {
							case "register-email": 
								$login = $user->register_email($_POST["email"]);
							break;
							case "link-account":
								$login = $user->link_account($_POST["email"],$_POST["password"]);	
							break;
							default:
								$valid = GigyaSO_Util::validate_user_signature($data->UID,$data->signatureTimestamp,$data->UIDSignature);
								if(is_wp_error($valid)) {
									gigya_msg($valid);
		   							die();	
								} 
								$login = $user->login();
						}
						
						if(is_wp_error($login)) {
		   					gigya_msg($login,array("api_key"=>$user->api_key,"secret_key"=>$user->secret_key,"force_email"=>$user->force_email ? true : false,"account_linking"=>$user->account_linking ? true : false));
		   					die();
						} else {
							gigya_msg();		
						}
					}
				} else {
					gigya_msg(new WP_Error('error',__("Gigya Error")));
					die();
				}
			}
		endif;
				
		die();
	}
endif;

if(!function_exists('gigya_notify_user_login')) :
	function gigya_notify_user_login($user_name){
		if(gigya_get_option("login_plugin") ==1):
			$user = get_userdatabylogin($user_name);
			GigyaSO_Util::notify_login($user->ID);
		endif;
	}
endif;

if(!function_exists('gigya_notify_user_register')) :
	function gigya_notify_user_register($user_id){
		if(gigya_get_option("login_plugin") ==1 && $user_id):
			global $is_gigya_user,$gigya_user_data;
    		if(!$is_gigya_user) {
    			GigyaSO_Util::notify_login($user_id,1);
    		}
		endif;
	}
endif;


if(!function_exists('gigya_notify_user_logout')) :
	function gigya_notify_user_logout(){
		if(gigya_get_option("login_plugin") ==1):
			$current_user = wp_get_current_user();
			$user_id = $current_user->ID;
			if($user_id > 0) {	
				GigyaSO_Util::notify_logout($user_id);
			}
		endif;
	}
endif;

if(!function_exists('gigya_delete_account')) :
	function gigya_delete_account($user_id){
		if($user_id) {
			GigyaSO_Util::delete_account($user_id);
		}
	}
endif;

if(!function_exists('gigya_user_profile_extra')) :
	function gigya_user_profile_extra($user) {
		$current_user = wp_get_current_user();
		echo get_avatar($user->ID,96,0);
		if ($current_user->ID == $user->ID):
	?>
		
		<h3><?php _e("Manage social connection", "blank"); ?></h3>
		<table class="form-table">
			<tr>
				<th></th>
				<td><div id="gigya-div-connect"></div></td>
			</tr>
		</table>
	 	<script type="text/javascript" lang="javascript">
		 	var conf = {   
				APIKey:'<?php echo gigya_get_option("api_key");?>'  
			};  
	
		 	gigya.services.socialize.showAddConnectionsUI(conf, {   
		 		height:65,
		 		width:175,
		 		showTermsLink:false,
		 		hideGigyaLink:true,
		 		useHTML:true,
		 		containerID: "gigya-div-connect"
		 	});  
	 	</script>
	<?php
		endif; 
	}
endif;

if(!function_exists('gigya_get_first_image')) :
	function gigya_get_first_image($post) {
		$first_img = "";
		$output = preg_match_all('/<img.+src=[\'"]([^\'"]+)[\'"].*>/i',$post->post_content,$matches);
		$first_img = $matches[1][0];
		if(empty($first_img))
			$first_img = get_bloginfo('wpurl').'/'.WPINC.'/images/blank.gif';
		return $first_img;
	}
endif;

if(!function_exists('gigya_get_share_plugin_')) :
	function gigya_get_share_plugin($pos = ""){ /* pos = bottom | top*/
		global $post;
		$share = "";
		
		$id = $post->ID;		
		$permalink = get_permalink($id);
		$title =  htmlspecialchars_decode(esc_js($post->post_title));	
		$first_img_url = gigya_get_first_image($post);
		$share_buttons = trim(gigya_get_option("share_providers"));
		if(empty($share_buttons)) $share_buttons = "share,facebook-like,google-plusone,twitter,email";
		if(empty($first_img_url)) $first_img_url = get_bloginfo('wpurl').'/'.WPINC.'/images/blank.gif';
		
		$lang = gigya_get_option("lang");
		$loginProviders = gigya_get_option("login_providers");
			
		$share .= "<div class='gig-share-button gig-share-button-$pos' id='gig-div-buttons-$id-$pos'></div>";
		$share .= "<script language='javascript'>";
		$share .= 	"var conf_$id = {
							APIKey: '".gigya_get_option("api_key")."',
							lang  : '$lang',
							enabledProviders: '$loginProviders'
    					};
						
    					var image$id = {src:'$first_img_url',href:'$permalink',type:'image'};
						var ua_$id = new gigya.services.socialize.UserAction(); 
						ua_$id.setUserMessage('');  
						ua_$id.setLinkBack('".$permalink."'); 
						ua_$id.setTitle('".$title."');
						ua_$id.addMediaItem(image$id);	
		

						var params_$id ={ 
							userAction:ua_$id,
							cssPrefix:'#gig-div-buttons-$id-$pos',
							shareButtons:'$share_buttons', // list of providers
							containerID: 'gig-div-buttons-$id-$pos',
        					cid:''
						};
						gigya.services.socialize.showShareBarUI(conf_$id,params_$id);
					</script>
					";
		
		#return string <div id=""></div><script></script>
		$share = apply_filters("share_plugin",$share,array(
			"api"=>gigya_get_option("api_key"),
			"post_id"=>$id,
			"permalink"=>$permalink,
			"title"=>$title,
			"first_img_url"=>$first_img_url
		));
		
		return $share;
	};
endif;

if(!function_exists('gigya_share_plugin')) :
	function gigya_share_plugin($content){
		$gigya_share = gigya_get_option("share_plugin"); 
		if(empty($gigya_share) || $gigya_share ==3){
			$bottomHTML = gigya_get_share_plugin("bottom");
			$content =  $content.$bottomHTML;
		} 
		
		if($gigya_share==2 || $gigya_share==3){ /* Top */
			$topHTML = gigya_get_share_plugin("top");
			$content = $topHTML.$content;
		} 
		
		if(gigya_get_option("share_plugin")==1) { /* No Share Bar */
				
		}
		
		return $content;
	}
endif;

#handle ajax request for comments plugin - add comments after cnew comment added with comments plugin
if(!function_exists('gigya_add_comment')) :
	function gigya_add_comment(){
		if(gigya_get_option("comments_plugin") ==1):
			if(!wp_verify_nonce($_POST["nonce"], 'gigya-comment-nonce' ) )
        		die ('Busted!');
        		
			if(isset($_POST["post_id"]) && !empty($_POST["comment"]) && !empty($_POST["uid"])) {
				$data = array(
				    'comment_post_ID' => $_POST["post_id"],
				    'comment_content' => $_POST["comment"],
				    'comment_parent' => 0,
				    'user_id' => $_POST["uid"],
				    'comment_date' => current_time('mysql'),
				    'comment_approved' => 1,
				);
				
				wp_insert_comment($data);
				do_action("gigya_add_comment",$data);
			}
		endif;
				
		die();
	}
endif;

add_action('wp_ajax_gigya_add_comment', 'gigya_add_comment');
add_action('wp_ajax_nopriv_gigya_add_comment', 'gigya_add_comment');

function gigya_logout_user(){
	wp_logout();	
	die();
}

add_action('wp_ajax_gigya_logout_user','gigya_logout_user');
add_action('wp_ajax_nopriv_gigya_logout_user','gigya_logout_user');


if(!function_exists('check_if_spider')) {
	function check_if_spider() {
		$spiders    = array(
			'Googlebot', 'Yammybot', 'Openbot', 'Yahoo', 'Slurp', 'msnbot','Rambler','AbachoBOT','Accoona','AcoiRobot','ASPSeek','CrocCrawler',
            'ia_archiver', 'Lycos', 'Scooter', 'AltaVista', 'Teoma', 'Gigabot','FAST-WebCrawler','GeonaBot','Gigabot','Altavista robot','Googlebot-Mobile');
                    
    	foreach ($spiders as $spider) {
        	if (eregi($spider, $_SERVER['HTTP_USER_AGENT'])) {
            	return TRUE;
        	}
    	}
    	
    	return FALSE;
	}
}


function gigya_comments_template($value) {
    global $post;
    global $comments;
    
	if(!gigya_comments_can_replace() || check_if_spider()) {
        return $value;
    }
    
    
    return GIGYA_PLUGIN_PATH.'/comments.php';
}


add_filter('comments_template', 'gigya_comments_template');


function gigya_comments_can_replace(){
	return gigya_get_option("comments_plugin") ==1 ? 1 : 0;
}


//function gigya_comments_number($value) {
//    return gigya_get_comments_number($value);
//}

//add_filter('comments_number', 'gigya_comments_number');

//function gigya_get_comments_number($value) {
//	global $post;
//	
//	if(!gigya_comments_can_replace()) return $value;
//    
//	require_once(GIGYA_PLUGIN_PATH.'/sdk/GSSDK.php');
//	$api_key = gigya_get_option("api_key");
//	$secret_key = gigya_get_option("secret_key");
//	$request = new GSRequest($api_key,$secret_key,"comments.getStreamInfo");
//	$request->setParam("categoryID",gigya_get_option("gigya_comments_cat_id"));
//	$request->setParam("streamID","comments-".$post->ID);
//	
//	$response = $request->send();  
//	
//	if($response->getErrorCode()!=0)
//		return 0;
//	
//	$data_array = $response->getArray("streamInfo");
//	
//	return $data_array->getArray("commentCount");
//}
//
//add_filter('get_comments_number', 'gigya_get_comments_number');


if(!function_exists('gigya_update_avatar_image')) :
	function gigya_update_avatar_image($avatar,$id_or_email, $size, $default, $alt ){
		
		if( is_object( $id_or_email))
			$id_or_email = $id_or_email->user_id;
			
		if(is_numeric($id_or_email)) {
			$thumb = get_user_meta($id_or_email,"avatar",1);
			if(!empty($thumb)) {
				$avatar = preg_replace( "/src='*?'/", "src='$thumb'", $avatar );
			}
		}
		
		return $avatar;
	}
endif;	

if ( !function_exists( 'gigya_get_avatar_url' ) ) :

	function gigya_get_avatar_url( $id_or_email, $size = '96', $default = '', $alt = false ) {
		if ( ! get_option('show_avatars') )
			return false;
	
		if ( false === $alt)
			$safe_alt = '';
		else
			$safe_alt = esc_attr( $alt );
	
		if ( !is_numeric($size) )
			$size = '96';
	
		$email = '';
		if ( is_numeric($id_or_email) ) {
			$id = (int) $id_or_email;
			$user = get_userdata($id);
			if ( $user )
				$email = $user->user_email;
		} elseif ( is_object($id_or_email) ) {
			// No avatar for pingbacks or trackbacks
			$allowed_comment_types = apply_filters( 'get_avatar_comment_types', array( 'comment' ) );
			if ( ! empty( $id_or_email->comment_type ) && ! in_array( $id_or_email->comment_type, (array) $allowed_comment_types ) )
				return false;
	
			if ( !empty($id_or_email->user_id) ) {
				$id = (int) $id_or_email->user_id;
				$user = get_userdata($id);
				if ( $user)
					$email = $user->user_email;
			} elseif ( !empty($id_or_email->comment_author_email) ) {
				$email = $id_or_email->comment_author_email;
			}
		} else {
			$email = $id_or_email;
		}
	
		if ( empty($default) ) {
			$avatar_default = get_option('avatar_default');
			if ( empty($avatar_default) )
				$default = 'mystery';
			else
				$default = $avatar_default;
		}
	
		if ( !empty($email) )
			$email_hash = md5( strtolower( $email ) );
	
		if ( is_ssl() ) {
			$host = 'https://secure.gravatar.com';
		} else {
			if ( !empty($email) )
				$host = sprintf( "http://%d.gravatar.com", ( hexdec( $email_hash[0] ) % 2 ) );
			else
				$host = 'http://0.gravatar.com';
		}
	
		if ( 'mystery' == $default )
			$default = "$host/avatar/ad516503a11cd5ca435acc9bb6523536?s={$size}"; // ad516503a11cd5ca435acc9bb6523536 == md5('unknown@gravatar.com')
		elseif ( 'blank' == $default )
			$default = includes_url('images/blank.gif');
		elseif ( !empty($email) && 'gravatar_default' == $default )
			$default = '';
		elseif ( 'gravatar_default' == $default )
			$default = "$host/avatar/s={$size}";
		elseif ( empty($email) )
			$default = "$host/avatar/?d=$default&amp;s={$size}";
		elseif ( strpos($default, 'http://') === 0 )
			$default = add_query_arg( 's', $size, $default );
	
		if ( !empty($email) ) {
			$out = "$host/avatar/";
			$out .= $email_hash;
			$out .= '?s='.$size;
			$out .= '&amp;d=' . urlencode( $default );
	
			$rating = get_option('avatar_rating');
			if ( !empty( $rating ) )
				$out .= "&amp;r={$rating}";
	
			return $out;
		} else {
			return $default;
		}
	
		return apply_filters('get_avatar', $avatar, $id_or_email, $size, $default, $alt);
	}
endif;


/* width
   header_text
   height
   button_size
   enabledProviders
	bgColor
*/

function render_login_plugin($atts = array()){
 	require_once(GIGYA_PLUGIN_PATH.'/resources/widget.php');
 	$gigya_widget = new GigyaSO_Widget($atts);
	$gigya_widget->render_css();
	global $current_user;
	wp_get_current_user();
	// check logged in
    if( 0 == $current_user->ID):
    	$gigya_widget->render_tmpl();
		$gigya_widget->login();
	else:
 		$gigya_widget->is_logged_in($current_user);
  	endif;
}

add_shortcode('login_plugin','render_login_plugin');

function generate_random_div_id($length = 6) {
    $range = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890';
    $max = strlen($range) - 1;

    // Generates random id of length $length.
    $id = '';
    for ($count = 0; $count < $length; $count++)
    {
        $id .= $range[rand(0, $max)];
    }
    return "cmp-$id";
} 

/* Load external file for future extensions */
function gigya_load_external_file() {
	$path = ((!defined( 'WP_CONTENT_DIR' ) ? ABSPATH . 'wp-content': WP_CONTENT_DIR )) . '/gigya-custom.php';
	if(file_exists($path)) {
		load_template($path,1);
	}
}


function get_followbar_default_buttons(){
	$buttons = array();
	
	$defaults_button = array(
        array("provider"=>"facebook","actionURL"=>"https://www.facebook.com/gigya","action"=>"dialog"),
        array("provider"=>"twitter","followUsers"=>"gigya, gigyaDev","action"=>"dialog"),
        array("provider"=>"googleplus","actionURL"=>"https://plus.google.com/107788669599113247501/posts","action"=>"dialog")
	);
        
	foreach($defaults_button as $button_object) {
        foreach($button_object as $key=>$value) {
			$button[] = "$key:'$value'\n";	
        }
        $buttons[] = "{\n".implode(",",$button)."}\n"; 	
	}
        
    return "[".implode(",",$buttons)."]";
}