Export Layer XY and names. Illustrator

if (app.documents.length > 0)

{
var doc = app.activeDocument;
var x;
var y;
var t;
app.coordinateSystem = CoordinateSystem.ARTBOARDCOORDINATESYSTEM;
var count = doc.layers.length;
var out_txt="";

for ( var i = 0; i < count; ++i)
{
doc.activeLayer = doc.layers[i];
doc.layers[i].hasSelectedArtwork = true;
}


for ( var i = 0; i < count; ++i)
{
x = doc.selection[i].position[0];
y = doc.selection[i].position[1]*(-1);
out_txt += doc.layers[i].name + ";;x=" + x.toFixed(0) + ";;y=" + y.toFixed(0) + "\n";
}

t = doc.layers[0].textFrames.add();
        t.contents = out_txt;

}