-- More information about this indicator can be found at:
-- http://fxcodebase.com/code/viewtopic.php?f=17&t=9508

--+------------------------------------------------------------------+
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--|                                            http://fxcodebase.com |
--+------------------------------------------------------------------+
--|                                      Developed by : Mario Jemic  |
--|                                          mario.jemic@gmail.com   |
--+------------------------------------------------------------------+
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--+------------------------------------------------------------------+
function Init()
    indicator:name("Average of Two Averages");
    indicator:description("");
    indicator:requiredSource(core.Tick);
    indicator:type(core.Indicator);
	
	indicator.parameters:addGroup("Method One");	
	indicator.parameters:addString("Method1", "Method", "", "MVA");
    indicator.parameters:addStringAlternative("Method1", "MVA", "", "MVA");
    indicator.parameters:addStringAlternative("Method1", "EMA", "", "EMA");
    indicator.parameters:addStringAlternative("Method1", "Wilder", "", "Wilder");
    indicator.parameters:addStringAlternative("Method1", "LWMA", "", "LWMA");
    indicator.parameters:addStringAlternative("Method1", "SineWMA", "", "SineWMA");
    indicator.parameters:addStringAlternative("Method1", "TriMA", "", "TriMA");
    indicator.parameters:addStringAlternative("Method1", "LSMA", "", "LSMA");
    indicator.parameters:addStringAlternative("Method1", "SMMA", "", "SMMA");
    indicator.parameters:addStringAlternative("Method1", "HMA", "", "HMA");
    indicator.parameters:addStringAlternative("Method1", "ZeroLagEMA", "", "ZeroLagEMA");
    indicator.parameters:addStringAlternative("Method1", "DEMA", "", "DEMA");
    indicator.parameters:addStringAlternative("Method1", "T3", "", "T3");
    indicator.parameters:addStringAlternative("Method1", "ITrend", "", "ITrend");
    indicator.parameters:addStringAlternative("Method1", "Median", "", "Median");
    indicator.parameters:addStringAlternative("Method1", "GeoMean", "", "GeoMean");
    indicator.parameters:addStringAlternative("Method1", "REMA", "", "REMA");
    indicator.parameters:addStringAlternative("Method1", "ILRS", "", "ILRS");
    indicator.parameters:addStringAlternative("Method1", "IE/2", "", "IE/2");
    indicator.parameters:addStringAlternative("Method1", "TriMAgen", "", "TriMAgen");
    indicator.parameters:addStringAlternative("Method1", "JSmooth", "", "JSmooth");
 
    indicator.parameters:addInteger("SF", "Period", "", 20);
	

	
	indicator.parameters:addGroup("Method Two");
	
	indicator.parameters:addString("Method2", "Method", "", "MVA");
    indicator.parameters:addStringAlternative("Method2", "MVA", "", "MVA");
    indicator.parameters:addStringAlternative("Method2", "EMA", "", "EMA");
    indicator.parameters:addStringAlternative("Method2", "Wilder", "", "Wilder");
    indicator.parameters:addStringAlternative("Method2", "LWMA", "", "LWMA");
    indicator.parameters:addStringAlternative("Method2", "SineWMA", "", "SineWMA");
    indicator.parameters:addStringAlternative("Method2", "TriMA", "", "TriMA");
    indicator.parameters:addStringAlternative("Method2", "LSMA", "", "LSMA");
    indicator.parameters:addStringAlternative("Method2", "SMMA", "", "SMMA");
    indicator.parameters:addStringAlternative("Method2", "HMA", "", "HMA");
    indicator.parameters:addStringAlternative("Method2", "ZeroLagEMA", "", "ZeroLagEMA");
    indicator.parameters:addStringAlternative("Method2", "DEMA", "", "DEMA");
    indicator.parameters:addStringAlternative("Method2", "T3", "", "T3");
    indicator.parameters:addStringAlternative("Method2", "ITrend", "", "ITrend");
    indicator.parameters:addStringAlternative("Method2", "Median", "", "Median");
    indicator.parameters:addStringAlternative("Method2", "GeoMean", "", "GeoMean");
    indicator.parameters:addStringAlternative("Method2", "REMA", "", "REMA");
    indicator.parameters:addStringAlternative("Method2", "ILRS", "", "ILRS");
    indicator.parameters:addStringAlternative("Method2", "IE/2", "", "IE/2");
    indicator.parameters:addStringAlternative("Method2", "TriMAgen", "", "TriMAgen");
    indicator.parameters:addStringAlternative("Method2", "JSmooth", "", "JSmooth");
	
	indicator.parameters:addInteger("LF", "Second Averege Period", "Second Averege Period", 100);
	

     
	
	indicator.parameters:addGroup("Style");	
	
    indicator.parameters:addColor("Color", "Line Color", "", core.rgb( 0, 255, 0));

	
end

-- Indicator instance initialization routine
-- Processes indicator parameters and creates output streams
-- TODO: Refine the first period calculation for each of the output streams.
-- TODO: Calculate all constants, create instances all subsequent indicators and load all required libraries
-- Parameters block
local ShortFrame=nil;
local LongFrame=nil;
local Method1=nil;
local Method2=nil;



local first;
local source = nil;

-- Streams block
local LongDATA = nil;
local ShortDATA = nil;
local Average;

-- Routine
function Prepare(nameOnly)
	
	
    ShortFrame = instance.parameters.SF;
    LongFrame = instance.parameters.LF;
	Method1 = instance.parameters.Method1;
	Method2 = instance.parameters.Method2;

	
    source = instance.source;
   
    local name = profile:id() .. "(" .. source:name() .. ", " .. ShortFrame .. ", " .. LongFrame.. ", " .. Method1.. ", ".. Method2  .. ")";
    instance:name(name);
    if nameOnly then
        return;
    end
	
	assert(core.indicators:findIndicator("AVERAGES") ~= nil, "Please, download and install AVERAGES indicator");
	ShortDATA= core.indicators:create("AVERAGES", source,  Method1, ShortFrame,false);	
	LongDATA= core.indicators:create("AVERAGES", source, Method2, LongFrame,false);
	 first = math.max(LongDATA.DATA:first(), ShortDATA.DATA:first());

    
   Average = instance:addStream("Average", core.Line, name .. ".Average", "Average", instance.parameters.Color, first);
	
end

-- Indicator calculation routine
-- TODO: Add your code for calculation output values
function Update(period,mode)
    if period < first or not source:hasData(period) then
	return;
	end
	
	    LongDATA:update(mode);
		ShortDATA:update(mode);
		
		Average[period]= (LongDATA.DATA[period]+ShortDATA.DATA[period])/2;
		
	
		
 end