///////////////////////////////////////////////////////////////////////////////
function OnInit(data){
	//uid added via script wizard (do not change after publishing this script)
	var uid = "A32023DD-FA2C-4B81-BED6-19529593052B";
	//resource center url added via script wizard (required for updating)
	var url = "http://resource.dopus.com/viewtopic.php?f=35&t=22620";

	data.name = "Command.Folder: RenameFolderAddCount";
	data.desc = "Add the number of files or subfolders to a folders name.";
	data.copyright = "tbone";
	data.version = "0.3.1";
	data.default_enable = false;

	data.config["extensions"]		= "";
	data.config["extensions.info"]	= "Limit counting to filetypes by specifiying extensions like this: .mp2;.mp3;.ogg";
	data.config["pattern"]			= "* (%numfiles%)";
	data.config["pattern.info"]		= "A rename pattern using %numfiles% or %numfolders%.";
	data.config["deepness"]			= "-1";
	data.config["deepness.info"]	= "-1 disables deepness limitation, 2 means 2 subfolders deep e.g.";

	var cmd = data.AddCommand();
    cmd.name = "RenameFolderAddCount";
    cmd.method = "Command_RenameFolderAddCount";
    cmd.desc = data.desc;
    cmd.label = "RenameFolderAddCount";
	cmd.template = "EXTENSIONS/K,PATTERN/K,DEEPNESS/K";
}
///////////////////////////////////////////////////////////////////////////////
function Command_RenameFolderAddCount(data) {
	var folders = GetSelectedFolders(data);
	if (!folders) return false;
	data.func.command.deselect = false;

	//getting command script config defaults
	var pattern = Script.config.pattern;
	var extensions = Script.config.extensions;
	var deepness = Script.config.deepness;

	//testing, getting arguments
	if (data.func.args.got_arg.extensions) extensions = data.func.args.extensions;
	if (data.func.args.got_arg.pattern)	pattern = data.func.args.pattern;
    if (data.func.args.got_arg.deepness) deepness = data.func.args.deepness;

	//DOpus.Output("extensions:"+extensions+"-"+typeof(extensions));
	//DOpus.Output("pattern   :"+pattern+"-"+typeof(pattern));
	//DOpus.Output("deepness  :"+deepness+"-"+typeof(deepness));

	var exts = new Array();
	exts["general"] = new String(extensions).split(";");

	var cmds = new Array();
	while (!folders.enumerator.atEnd()) {
		var folder = folders.enumerator.item(); folders.enumerator.moveNext();
		var result = { files:{"general":new Array()}, fileCount:0, folderCount:0 };
		Crawl(folder.realpath, exts, result, deepness*1);
		var patternTmp=pattern.replace("%numfiles%",result.files["general"].length);
		patternTmp=patternTmp.replace("%numfolders%",result.folderCount);
		var cmd = 'RENAME PATTERN=* FROM="'+folder.realpath+'" TO="'+patternTmp+'"';
		CollectGarbage();
		data.func.command.RunCommand(cmd);
	}
    return true;
}
///////////////////////////////////////////////////////////////////////////////
function GetSelectedFolders(data){
	if (data.func.sourcetab.selected_dirs.count == 0) return null;
	var dirs = data.func.sourcetab.selected_dirs;
	return { enumerator:new Enumerator(dirs), count:dirs.count};
}
//////////////////////////////////////////////////////////////////////////////
function Crawl( path, extensions, result, deepness, _self){
	DOpus.Output("Crawling ["+path+"]..");
	if (_self==undefined) var _self=false;
	if (deepness==undefined) var deepness=-1;
	var deepnessTmp=deepness-1;
	var recurse = false;
	if (!_self && deepness==-1) recurse=true;
	var folderEnum = ReadFolder(path, recurse, true);
	if (!folderEnum) return;

	while(!folderEnum.Complete){
		var childItem = folderEnum.Next();
		var ext = childItem.ext.toLowerCase();
		if (childItem.is_dir){
			result.folderCount++;
			if (recurse) continue;
			if  (deepnessTmp==-1) continue;
			Crawl(childItem.realpath, extensions, result, deepnessTmp, true);
			continue;
		}
		result.fileCount++;
		for(var key in extensions)
			for(var i=0;i<extensions[key].length;i++)
				if (extensions[key][i]=="" || ext==extensions[key][i])
					result.files[key][result.files[key].length] = childItem;
	}
	folderEnum = null;
}
///////////////////////////////////////////////////////////////////////////////
function ReadFolder( path, recurse, exception){
	if (recurse == undefined) recurse=false;
	if (exception == undefined) exception=true;
	var fEnum = DOpus.FSUtil.ReadDir( path, recurse);
	if (fEnum.error==0 || fEnum.error==18 )// 18 = empty folder
		return fEnum;
	var error = "ReadFolder(): Error reading folder ["+path+"], code ["+fEnum.error+"].";
	DOpus.Output(error);
	if (exception) throw error;
	return null;
}
///////////////////////////////////////////////////////////////////////////////
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 = "3a4d0e61963cd03fb4e1720d9de49c52"; DATE = "2014.11.21 - 02:40:38"