-- Id: 5993
--+------------------------------------------------------------------+
--|                               Copyright © 2016, Gehtsoft USA LLC | 
--|                                            http://fxcodebase.com |
--|                                 Support our efforts by donating  | 
--|                                    Paypal: https://goo.gl/9Rj74e |
--+------------------------------------------------------------------+
--|                                      Developed by : Mario Jemic  |                    
--|                                          mario.jemic@gmail.com   |
--|                    BitCoin : 15VCJTLaz12Amr7adHSBtL9v8XomURo9RF  |  
--+------------------------------------------------------------------+


-- Indicator profile initialization routine
-- Defines indicator profile properties and indicator parameters
-- TODO: Add minimal and maximal value of numeric parameters and default color of the streams
function Init()
    indicator:name("3/10 Oscillator");
    indicator:description("Based upon LBR 3/10 oscillator");
	indicator:type(core.Oscillator);
    indicator:requiredSource(core.Tick);
 

    indicator.parameters:addGroup("Calculation");
    indicator.parameters:addString("Method1", "Short MA 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("Period1", "Short MA Period", "", 3);
	

    indicator.parameters:addString("Method2", "Long MA 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("Period2", "Long MA Period", "", 10);
	
	    indicator.parameters:addString("Method3", "Signal MA Method", "", "MVA");
    indicator.parameters:addStringAlternative("Method3", "MVA", "", "MVA");
    indicator.parameters:addStringAlternative("Method3", "EMA", "", "EMA");
    indicator.parameters:addStringAlternative("Method3", "Wilder", "", "Wilder");
    indicator.parameters:addStringAlternative("Method3", "LWMA", "", "LWMA");
    indicator.parameters:addStringAlternative("Method3", "SineWMA", "", "SineWMA");
    indicator.parameters:addStringAlternative("Method3", "TriMA", "", "TriMA");
    indicator.parameters:addStringAlternative("Method3", "LSMA", "", "LSMA");
    indicator.parameters:addStringAlternative("Method3", "SMMA", "", "SMMA");
    indicator.parameters:addStringAlternative("Method3", "HMA", "", "HMA");
    indicator.parameters:addStringAlternative("Method3", "ZeroLagEMA", "", "ZeroLagEMA");
    indicator.parameters:addStringAlternative("Method3", "DEMA", "", "DEMA");
    indicator.parameters:addStringAlternative("Method3", "T3", "", "T3");
    indicator.parameters:addStringAlternative("Method3", "ITrend", "", "ITrend");
    indicator.parameters:addStringAlternative("Method3", "Median", "", "Median");
    indicator.parameters:addStringAlternative("Method3", "GeoMean", "", "GeoMean");
    indicator.parameters:addStringAlternative("Method3", "REMA", "", "REMA");
    indicator.parameters:addStringAlternative("Method3", "ILRS", "", "ILRS");
    indicator.parameters:addStringAlternative("Method3", "IE/2", "", "IE/2");
    indicator.parameters:addStringAlternative("Method3", "TriMAgen", "", "TriMAgen");
    indicator.parameters:addStringAlternative("Method3", "JSmooth", "", "JSmooth");
	
	indicator.parameters:addInteger("Period3", "Signal MA period", "", 16);
	
    indicator.parameters:addGroup("Style");
	 indicator.parameters:addColor("Smooth", "Signal line color", "", core.rgb(0, 0, 255));
	 indicator.parameters:addColor("UPUP", "Up in Up Trend ", "", core.rgb(0, 255, 0));
	 indicator.parameters:addColor("UPDN", "Down in Up Trend ", "", core.rgb(0, 200, 0));
	 indicator.parameters:addColor("DNUP", "Up in Down Trend ", "", core.rgb(255, 0, 0));
	 indicator.parameters:addColor("DNDN", "Down in Down Trend ", "", core.rgb(200, 0, 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 first;
local source = nil;
local One;
local Two;
local Signal = nil;
local Out, Diff;

local Method2,Method1, Method3;
local Period1, Period2, Period3;
-- Routine
function Prepare(nameOnly)
    Period1 = instance.parameters.Period1;
    Period2 = instance.parameters.Period2;
	Period3 = instance.parameters.Period3;
	Method3 = instance.parameters.Method3;
	Method2 = instance.parameters.Method2;
	Method1 = instance.parameters.Method1;
    source = instance.source;
	
	assert(core.indicators:findIndicator("AVERAGES") ~= nil, "Please, download and install AVERAGES.LUA indicator");
	
	if (Period1 >= Period2) then
       error("The short MA period must be smaller than long MA period");
    end
	
	
	
    local name = profile:id() .. "(" .. source:name() .. ", " .. tostring(Period1).. ", " .. tostring(Method1).. ", " .. tostring(Period2).. ", " .. tostring(Method2) .. ")";
    instance:name(name);

		
	 One = core.indicators:create("AVERAGES", source, Method1, Period1);
	 Two = core.indicators:create("AVERAGES", source, Method2 , Period2);
	 first = math.max(One.DATA:first(),  Two.DATA:first());
	
    if (not (nameOnly)) then
        Out = instance:addStream("TAO", core.Line, name, "TAO", instance.parameters.UPUP, first);
    Out:setPrecision(math.max(2, instance.source:getPrecision()));
	
    end

	Diff = core.indicators:create("AVERAGES", Out, Method3, Period3);
	Signal = instance:addStream("Signal", core.Line, name, "Signal", instance.parameters.Smooth, math.max(first, Diff.DATA:first()));

    Signal:setPrecision(math.max(2, instance.source:getPrecision()));


end

-- Indicator calculation routine
-- TODO: Add your code for calculation output values
function Update(period, mode)


     One:update(mode);
	 Two:update(mode);

	  
	  
    if period < first or not source:hasData(period) then
	return;
	end
	

	
	Out[period] =One.DATA[period] - Two.DATA[period];
	
	
	
	if Out[period] > 0 then
	    if  Out[period] > Out[period-1] then
		Out:setColor(period, instance.parameters.UPUP);
		else
		Out:setColor(period, instance.parameters.UPDN);
		end                	
	else
	    if  Out[period] > Out[period-1] then
		Out:setColor(period, instance.parameters.DNUP);
		else
		Out:setColor(period, instance.parameters.DNDN);
		end       
	end
	
	Diff:update(mode);
	
	if period < source:first() then
	return;
	end	
	
	Signal[period] = Diff.DATA[period];
    
end