// This is a script for Directory Opus.
// See http://www.gpsoft.com.au/DScripts/redirect.asp?page=scripts for development information.

// Opus Events ------------------------------------------------------
function OnInit(initData)
{
	//uid added via script wizard (do not change after publishing this script)
	var uid = "5E04DF9B-E33B-4093-B0EB-594432CF7645";
	//thread url added via script wizard (required for updating)
	var url = "http://resource.dopus.com/viewtopic.php?f=35&t=26541";
	initData.name = "Steam *.acf app name column";
	initData.desc = "Shows to which Steam app/game does each appmanifest_*.acf belong to.";
	initData.copyright = "by jsys in 2016";
	initData.version = "0.9.0";
	initData.default_enable = true;
	initData.min_version = "11.5.2";

	// Column
	var col = initData.AddColumn();
	col.name = "Steam app name";
	col.label = "Steam app name";
	col.method = "onListItem";
	col.justify = "left";
	col.multicol = false;
}

function onListItem(scriptColData)
{
	if (stringEndsWith(scriptColData.item.name, ".acf"))
	{
		var game_name = readAcfGameName(scriptColData.item);
		game_name = stringAfter(game_name, '"'); // remove first " quote character
		game_name = stringUntil(game_name, '"'); // remove second " quote character
		scriptColData.value = game_name;
	}
}

// Custom functions -------------------------------------------------

function readAcfGameName(path_file)
{
	var iterator = new Enumerator(readTextFile(path_file).split("\n"));

	for (; !iterator.atEnd(); iterator.moveNext())
	{
		if (stringStartsWith(iterator.item(), '	"name"		'))
		{
			return stringAfter(iterator.item(), "		");
		}
	}
}

function readTextFile(path_file) // modified code from: http://www.winscripter.com/WSH/FileIO/74.aspx
{
	var for_reading = 1, for_writing = 2, for_appending = 8;

	// define array to store lines.
	rline = new Array();

	// Create the object
	fs = new ActiveXObject("Scripting.FileSystemObject");
	f = fs.GetFile(path_file);

	// Open the file
	file = f.OpenAsTextStream(for_reading, 0);

	// Start and continue to read until we hit the end of the file.
	var count = 0;
	while(!file.AtEndOfStream)
	{
	   rline[count] = file.ReadLine();
	   count++;
	}

	// Close the stream
	file.Close();

	// Place the contents of the array into a variable.
	var content = "";
	for(i = 0; i < rline.length; i++)
	{
	   content += rline[i] + "\n";
	}

	return content
}

function stringStartsWith(str, prefix)
{
    return str.indexOf(prefix) == 0;
}

function stringEndsWith(str, suffix)
{
    return str.indexOf(suffix, str.length - suffix.length) !== -1;
}

function stringAfter(str, delimiter)
{
	var start = str.indexOf(delimiter);
	if (start !== -1)
	{
		return str.slice(start + delimiter.length, str.length);
	}

	return str;
}

function stringUntil(str, delimiter)
{
	var end = str.indexOf(delimiter);
	if (end !== -1)
	{
		return str.slice(0, end);
	}

	return str;
}

// ------------------------------------------------------------------
///////////////////////////////////////////////////////////////////////////////
function OnAboutScript(data){ //v0.1
	var cmd = DOpus.Create.Command();
	if (!cmd.Commandlist('s').exists("ScriptWizard")){
		if (DOpus.Dlg.Request("The 'ScriptWizard' add-in has not been found.\n\n"+
"Install 'ScriptWizard' from [resource.dopus.com].\nThe add-in enables this dialog and also offers "+
"easy updating of scripts and many more.","Yes, take me there!|Cancel", "No About.. ", data.window))
		cmd.RunCommand('http://resource.dopus.com/viewtopic.php?f=35&t=23179');}
	else
		cmd.RunCommand('ScriptWizard ABOUT WIN='+data.window+' FILE="'+Script.File+'"');
}
//MD5 = "81096f8a80c8955ba863cf94517a74ea"; DATE = "2016.05.12 - 20:10:02"