// Helper variables
var proj = app.project;          // active project
var comp = proj.activeItem;      // active comp
var layer = comp.selectedLayers; // selected layers
var numLayers = comp.numLayers;  // count of comp layers

function setupLayers()
{

for (i = 1; i <= numLayers; i++)
{
    var layer = comp.layer(i);
    var effectsGroup = layer("Effects");
    var effectsOnLayer = [];

    if (effectsGroup !== null)
    {
        for (var v = 1; v <= effectsGroup.numProperties; v++)
        {
           effectsOnLayer[effectsOnLayer.length] = effectsGroup.property(v);
        }
    }

    for (var k = 0; k < effectsOnLayer.length; k++)
    {
        if (effectsOnLayer[k].matchName === "ADBE Set Matte3")
        {
            layerEffectIndex = k+1;
            layerRefIndex = effectsOnLayer[k].property(1).value;
            arr = [layerEffectIndex,layerRefIndex];

            effectsOnLayer[k].name += " $" + arr.toString();
            comp.layer(layerRefIndex).comment = layerRefIndex;
        }
    }
}

}

function findLayerByComment(commentToFind)
{
    for (i = 1; i <= numLayers; i++)
    {
        if (comp.layer(i).comment === commentToFind.toString())
        {
            return i;
        }
    }
}

function resetLayers()
{
for (i = 1; i <= numLayers; i++)
{
    var layer = comp.layer(i);
    var effectsGroup = layer("Effects");
    var effectsOnLayer = [];

    if (effectsGroup !== null)
    {
        for (var v = 1; v <= effectsGroup.numProperties; v++)
        {
           effectsOnLayer[effectsOnLayer.length] = effectsGroup.property(v);
        }
    }

    for (var k = 0; k < effectsOnLayer.length; k++)
    {
        if (effectsOnLayer[k].matchName === "ADBE Set Matte3")
        {
            originalName = effectsOnLayer[k].name.split("$")[0];
            arr = effectsOnLayer[k].name.split("$")[1].split(",");

            effectsOnLayer[k].property(1).setValue(findLayerByComment(arr[1]));
            effectsOnLayer[k].name = originalName.substring(0,originalName.length-1);
        }
    }
}

for (i = 1; i <= numLayers; i++)
{
    comp.layer(i).comment = null;
}

}

//setupLayers();
//resetLayers();