// Dealing with layers, artLayers, and Layer Sets
//

if ( app.documents.length == 0 ) {
	app.open( File( WhoAmI().parent.toString() + "/LayerFun.psd" ) );
}

// for recursion depth tracking, make it an object so we can pass it around by reference
var depth = { depth:0 }; 

// all the art layer and layer set names in the document
var artLayersANDlayerSetNames = [];

GetNames( activeDocument.layers, artLayersANDlayerSetNames, depth );

var fileForWriting = new File( WhoAmI().parent.toString() + "/LayerFun.txt" );

DumpNames( artLayersANDlayerSetNames, fileForWriting );

fileForWriting.execute();


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function GetNames( objectToDump, outputArrayOfNames, recursionTracker ) {
	
	if ( typeof objectToDump == 'object' && typeof objectToDump.length == 'number' && 
		 objectToDump.length > 0 && typeof objectToDump[0].name == 'string' ) {
		 
		for ( var i = 0; i < objectToDump.length; i++ ) {
			outputArrayOfNames.push( recursionTracker.depth + ":" + objectToDump[i].typename + ":" + objectToDump[i].name );
			if ( objectToDump[i].typename == "LayerSet" ) {
				recursionTracker.depth++;
				GetNames( objectToDump[i].layers, outputArrayOfNames, recursionTracker );
				recursionTracker.depth--;
			}
		}

	}
}

function DumpNames( arrayToWrite, fileToWriteTo ) {
	if ( fileToWriteTo.open( "w" ) ) {
		for ( var i = 0; i < arrayToWrite.length; i++ ) {
			var splitNames = arrayToWrite[i].split(":"); // if you have : in your name i am in trouble
			var outputName = "";
			for ( var ii = 0; ii < Number( splitNames[0] ); ii++ ) {
				outputName += '   '; // space over to show levels
			}
			outputName += splitNames[1] + ", " + splitNames[2];
			fileToWriteTo.writeln( outputName );
		}
		fileToWriteTo.close();
	} else {
		alert( 'could not open file for writing' );
	}
}

function WhoAmI() {
	var where;
	try {
		var FORCEERROR = FORCERRROR;
	}
	catch( err ) {
		where = File(err.fileName);
	}
	return where;
}