(function ($) {
	
	var data = {};
	var defaultTextBoxWidth  = 220;
	var defaultTextBoxHeight = 400;
	var permissionLevel = ""; 
	/** jQuery plugin that init's the editable spots scripts **/
	$.fn.initeditablespots	= function (spots, permLevel){
		
		if(StringUtils.isEmpty(permLevel)) {
			alert("Please set a group level");
			return;
		}
		
		permissionLevel = permLevel;
		for (var key in spots) {
			
			if(spots[key]['w'] == undefined){
				spots[key]['w'] = defaultTextBoxWidth;
			}
			if(spots[key]['h'] == undefined){
				spots[key]['h'] = defaultTextBoxHeight;
			}

			data[key] = {'old': '', 'new': '', w: spots[key]['w'], h: spots[key]['h']};
			jQuery('#'+ key +'-EditButton').click( function(){ edit( this.id.substr(0, this.id.indexOf('-')) ) });
		}
	}

		 
	function edit(spot) {	
		
		jQuery('#'+spot+'-EditButton').unbind();
		
		/** before you do anything cache a copy to the current data -- only do this the first time edit button is selected **/
		if(data[spot]['old'] == '' ){
			data[spot]['old'] = jQuery('#'+spot+'-ContentContainer').html().replace(/^\s+/,'').replace(/\s+$/,'');
		}
		
		/** present the edit state **/
		jQuery('#'+spot+'-ContentContainer').html(
			'<textarea id="'+spot+'-TextArea" style="width:'+data[spot]['w']+'px;height:'+data[spot]['h']+'px;">'+data[spot]['old']+'</textarea>'
		).after('<div id="'+spot+'-ButtonContainer" class="portletbody"></div>');
		
		displayButtons(spot);
		
	};

	function cancel(spot){
		jQuery('#'+spot+'-ContentContainer').html( data[spot]['old']);
		jQuery('#'+spot+'-ButtonContainer').html('');
		jQuery('#'+spot+'-EditButton').click( function(){ edit(spot); });
	}
	
	function preview(spot){			
		data[spot]['new'] = jQuery('#'+spot+'-TextArea').val().replace(/^\s+/,'').replace(/\s+$/,''); 
		jQuery('#'+spot+'-ContentContainer').html( data[spot]['new'] );
		
		//modify preview button
		jQuery('#'+spot+"-PreviewButton").val('Exit Preview');
		jQuery('#'+spot+"-PreviewButton").unbind('click').click(function(){ exitPreview(spot) });
	}
	
	
	function exitPreview(spot){
		
		/** add text area w/ new content and modify exit preview button **/
		jQuery('#'+spot+'-ContentContainer').html(
			'<textarea id="'+spot+'-TextArea" style="width: 200px; height: 200px;">'+data[spot]['new']+'</textarea>'
		);
		
		//modify preview button
		jQuery('#'+spot+"-PreviewButton").val('Preview');
		jQuery('#'+spot+"-PreviewButton").unbind('click').click(function(){ preview(spot) });
	}
	
	
	function save(spot){
		
		/** 
		 * check to see if the text area is present, if so use that, if not use the ContentContainer
		 * this is for the case when someone saves from preview mode (no text area in preview mode)
		 */
		var value = jQuery('#'+spot+'-TextArea').val();
		if( value !== undefined){
			value = jQuery('#'+spot+'-TextArea').val().replace(/^\s+/,'').replace(/\s+$/,'');
		}else{
			value = jQuery('#'+spot+'-ContentContainer').html().replace(/^\s+/,'').replace(/\s+$/,'');
		}
		
		if(data[spot]['old'] == value){
			alert('nothing new to save!');
			return;	
		}
		
		$.ajax( 
				{
				type     : "POST",
				url      : "/json",
				dataType : "json",
				data     : "groupLevel=" + encodeURIComponent(permissionLevel) + "&key=" + encodeURIComponent(spot) + "&args.map.body=" + encodeURIComponent(value),
				success  : function(json) {
								if (json.success) {
									alert('Content has been saved.');
									data[spot]['old'] = value;
									jQuery('#'+spot+'-ContentContainer').html(value);
									jQuery('#'+spot+'-ButtonContainer').remove();					
									jQuery('#'+spot+'-EditButton').click( function(){ edit(spot) });									
								} else {
									alert(json.error);
								}
							}
				});
	}
	
	function displayButtons(spot){				
		jQuery('#'+spot+'-ButtonContainer').html(				
				'<input type="button" id="'+spot+'-SaveButton" value="Save"/>&nbsp;'+
				'<input type="button" id="'+spot+'-PreviewButton" value="Preview"/>&nbsp;'+
				'<input type="button" id="'+spot+'-CancelButton" value="Cancel"/>'
		);
		
		//bind events to buttons
		jQuery('#'+spot+'-SaveButton').click( function(){ save(spot) });
		jQuery('#'+spot+'-PreviewButton').click( function(){ preview(spot) });
		jQuery('#'+spot+'-CancelButton').click( function(){ cancel(spot) });
	}

	
	/** private utility function **/
	function _parseSpot(id){
		return id.substr(0, id.indexOf('-'));
	}
	
})(jQuery);