// Badger v1.0 by Daniel Raftery
// http://thrivingkings.com/badger
//
// http://twitter.com/ThrivingKings

(function($) {
	$.fn.badger = function(badge, callback) {
        var badgerExists = this.find('#Badger').html();
          
        // Clear the badge
        if(!badge) {
            if(badgerExists) { 
                this.find('#Badger').remove(); 
            }
        } else {
            // Figuring out badge data
            var oldBadge = this.find('#Badge').text();
            if(badge.charAt(0)=='+') { 
                if(isNaN(badge.substr(1))) { 
                    badge = oldBadge + badge.substr(1); 
                } else { 
                    badge = Math.round(Number(oldBadge) + Number(badge.substr(1))); 
                }
            } else if(badge.charAt(0)=='-') { 
                if(isNaN(badge.substr(1))) { 
                    badge = oldBadge - badge.substr(1); 
                } else { 
                    badge = Math.round(Number(oldBadge) - Number(badge.substr(1))); 
                }
            }
                
            // Don't add duplicates
            if(badgerExists) { 
                this.find('#Badge').html(badge); 
            } else { 
                this.append('<div class="badger-outter" id="Badger"><div class="badger-inner"><p class="badger-badge" id="Badge">'+badge+'</p></div></div>'); 
            }
                
            // Badger text or number class
            if(isNaN(badge)) { 
                this.find('#Badge').removeClass('badger-number').addClass('badger-text'); 
            } else { 
                this.find('#Badge').removeClass('badger-text').addClass('badger-number'); 
            }
            // Send back badge
            if(callback) { 
                callback(badge); 
            }
        }
    };
})(jQuery);