// TestCustomtextColumn
// By wowbagger

// Functions
var doVars = DOpus.vars;
var doLogCmd = DOpus.NewCommand;
var configVarKey = "TestCustomColumnsConfig";
var scriptName = "Test Columns"
function OnInit(initData) {
  // Provide basic information about the script by initializing the properties of the ScriptInitData object
  initData.name = scriptName;
  initData.desc = "test custom colums muticolum.";
  initData.copyright = "2017 wowbagger";
  initData.min_version = "12.0"
  initData.version = "1";
  initData.default_enable = true;
}

var customColumns = [{
		name:"Result1", 
		type:"result",
	},{
		name:"Result2", 
		type:"result",
	},{
		name:"Hidden", 
		type:"result",
	},{
		name:"EmptyResult", 
		type:"emptyResult",
	},{
		name:"NullResult", 
		type:"nullResult",
	},{
		name:"NoResult", 
		type:"noResult",
	}];  

function OnAddColumns(addColData)
{
    for(i=0;i<customColumns.length;i++) {
		AddColumn(addColData, customColumns[i].name);
	}
} 

function AddColumn(iAddColumn, name, multicol){
	var col;
	col=iAddColumn.AddColumn();
	col.name = name;
	col.label = name;
	col.header = name;

	col.method = "OnCustomText";
	col.multicol = true;///true;
}

function LogMessage(functionName, message)
{
	DOpus.OutputString(functionName + ": " + message);
}

// Implement the OnCustomText column (this entry point is an OnScriptColumn event).
function OnCustomText(scriptColData) {
	var itemPath = scriptColData.item.path + "\\" + scriptColData.item.name;
	LogMessage("OnCustomText", "script primary target column='" + scriptColData.col + " itempPath=" + itemPath);
  	// get column's config

	var configuredColumns = customColumns;
	LogMessage("OnCustomText", "Total configured custom columns=" + configuredColumns.length);
  	LogMessage("OnCustomText", "Total requested columns (scriptColData.columns)=" + scriptColData.columns.length);
  	//Dump the configuredColumns
	//var config = JSON.stringify(configuredColumns, undefined, 2).replace(/(\n)+/g,"\r\n");
	//LogMessage("OnCustomText", configuredColumns.length + " " + config);
 
	//Log out the columns we were provided
	var colEnum = new Enumerator(scriptColData.columns);
	for (;!colEnum.atEnd(); colEnum.moveNext()){
	    var col = colEnum.item();
		LogMessage("OnCustomText", "scriptColData available script column='" + col);
	}

	var tabColEnum = new Enumerator(scriptColData.tab.format.columns);
	for (;!tabColEnum.atEnd(); tabColEnum.moveNext()){
	    var col = tabColEnum.item();
		LogMessage("OnCustomText", "scriptColData available tab column='" + col);
	}

    //var result = {};
	//result.commands = new Array();
    //result.commands.push(commandsNode.childNodes[i].text)
	var columnsToCalculate = new Array();
	//Remove columns from configuredColumns that we dont need to calculate. 
	//Usefull if this is not the first call and columns value has lready been caculated.
	for(var i = 0; i < configuredColumns.length; ++i) {
		if(configuredColumns[i] != undefined)
		{
			LogMessage("OnCustomText", i + ":" + configuredColumns[i].name + " Verify if should calculate column value");
			if(scriptColData.columns.exists(configuredColumns[i].name) &&
				InCollection(GetGlobalColumnName(configuredColumns[i].name), scriptColData.tab.format.columns))
			{
				LogMessage("OnCustomText", i + ":" +configuredColumns[i].name+" Calcualtion Required.");
				columnsToCalculate.push(configuredColumns[i]);
			}
			else
			{
				if(!scriptColData.columns.exists(configuredColumns[i].name))
				{
					LogMessage("OnCustomText", i + ":" +configuredColumns[i].name+" was not requested.");
				}
				if(!InCollection(GetGlobalColumnName(configuredColumns[i].name), scriptColData.tab.format.columns))
				{
					LogMessage("OnCustomText", i + ":" +configuredColumns[i].name+" is not displayed in tab.");
				}
			}
		}
		else
		{
			LogMessage("OnCustomText", i + ": column is undefined");
		}
	}

	LogMessage("OnCustomText", "Calculation required for " + columnsToCalculate.length + " out of " +configuredColumns.length + " configured columns");
  
	if (InArray(scriptColData.col, columnsToCalculate)) 
	{
		var results = CalcualteColumnValues(scriptColData.Item, columnsToCalculate);
		if (results){
			for ( i = 0; i < columnsToCalculate.length; i++) 
			{
				if(columnsToCalculate[i] != undefined)
				//if (typeof(columnsToCalculate[i].name) != "undefined")
				{
					var result = results[columnsToCalculate[i].name];
	  				//scriptColData.columns.exists(columnsToCalculate[i].name))
					LogMessage("OnCustomText", "results for " + columnsToCalculate[i].name + "[" + columnsToCalculate[i].type +"]:" + result);
					scriptColData.columns(columnsToCalculate[i].name).value = result;
				}
			}
		}
	}
	else
	{
		LogMessage("OnCustomText", "Skipping Calculation as current column '" + scriptColData.col + "' does not require calculation.");
	}

	LogMessage("OnCustomText", "Finished item=" + itemPath);
	DOpus.OutputString("");
}

function CalcualteColumnValues(item, columnConfigurations)
{
	LogMessage("CalcualteColumnValues", "Calculating for item=" + item.path + "\\" + item.name);
	
	var results = {};
	if(!item) return;

	for ( i=0; i < columnConfigurations.length; i++) 
	{
		if(columnConfigurations[i] != undefined)
		{
			var columnValue;
		
	    	switch (columnConfigurations[i].type) {
				case "nullResult" :
					columnValue = null;
					LogMessage("CalcualteColumnValues", i + "'"+columnConfigurations[i].name+"' type='"+columnConfigurations[i].type+"' value='" + columnValue + "'");
		    		results[columnConfigurations[i].name] = columnValue;
					break;

				case "noResult" :
					//columnValue = null;
					LogMessage("CalcualteColumnValues", i + "'"+columnConfigurations[i].name+"' type='"+columnConfigurations[i].type+"' value='[NotSet]'");
		   			break;

				case "emptyResult" :
					columnValue = "";
					LogMessage("CalcualteColumnValues", i + "'"+columnConfigurations[i].name+"' type='"+columnConfigurations[i].type+"' value='" + columnValue + "'");
		    		results[columnConfigurations[i].name] = columnValue;
					break;

				default:
					columnValue = "The value 123";
					LogMessage("CalcualteColumnValues", i + "'"+columnConfigurations[i].name+"' type='"+columnConfigurations[i].type+"' value='" + columnValue + "'");
		    		results[columnConfigurations[i].name] = columnValue;
					break;
			} 


		}
	}

	return results;
}

function GetGlobalColumnName(columnName)
{
	return "scp:" + scriptName + "/" + columnName

}

function InCollection(columnName,collection){
	var tabColEnum = new Enumerator(collection);
	for (;!tabColEnum.atEnd(); tabColEnum.moveNext()){
	    var col = tabColEnum.item();
	    if (col.name == columnName) return true;
		//LogMessage("OnCustomText", "scriptColData available tab column='" + col);
	}
}

function InArray(col,arr){
	for (var i=0;i<arr.length;i++){
		if (typeof(arr[i]) != "undefined" && col==arr[i].name) return true;
	}
}