Photoshop script to generate the report with the content and its Font name

What is the point of the task? 

This collects the fonts in a document: 

// 2015, use it at your own risk;
#target photoshop
if (app.documents.length > 0) {
var myDocument = app.activeDocument;
//
main ();
};
////////////////////////////////////
function main () {
var theFonts = new Array;
var ref = new ActionReference();
ref.putEnumerated( charIDToTypeID("Dcmn"), charIDToTypeID("Ordn"), charIDToTypeID("Trgt") ); 
var applicationDesc = executeActionGet(ref);
var theNumber = applicationDesc.getInteger(stringIDToTypeID("numberOfLayers"));
//////
for (var m = theNumber; m >= 0; m--) {
try {
var ref = new ActionReference();
ref.putIndex( charIDToTypeID( "Lyr " ), m);
var layerDesc = executeActionGet(ref);
var layerSet = typeIDToStringID(layerDesc.getEnumerationValue(stringIDToTypeID("layerSection")));
var isBackground = layerDesc.getBoolean(stringIDToTypeID("background"));
var theName = layerDesc.getString(stringIDToTypeID('name'));
// if not layer group collect values;
if (layerSet != "layerSectionEnd" && layerSet != "layerSectionStart" && isBackground != true) {
var hasText = layerDesc.hasKey(stringIDToTypeID("textKey"));
if (hasText == true) {
var textDesc = layerDesc.getObjectValue(stringIDToTypeID('textKey'));
var paragraphRangeList = textDesc.getList(stringIDToTypeID('paragraphStyleRange'));
var kernRange = textDesc.getList(stringIDToTypeID('kerningRange'));
var rangeList = textDesc.getList(stringIDToTypeID('textStyleRange'));
for (var o = 0; o < rangeList.count; o++) {
var styleDesc = rangeList.getObjectValue(o).getObjectValue(stringIDToTypeID('textStyle'));
// check for default font;
if (styleDesc.hasKey(stringIDToTypeID('fontPostScriptName')) == true) {var aFont = styleDesc.getString(stringIDToTypeID('fontPostScriptName'))}
else {
	var theDefault = styleDesc.getObjectValue(stringIDToTypeID('baseParentStyle'));
	var aFont = theDefault.getString(stringIDToTypeID('fontPostScriptName'));
	};
// add to array;
var theCheck = true;
for (var n = 0; n < theFonts.length; n++) {
if (theFonts[n] == aFont) {theCheck = false}
};
if (theCheck  == true) {theFonts.push(aFont)}
}
}
}
}
catch (e) {};
}
alert ("the result:"+"\n"+theFonts.join("\n"))
};