-- More information about this indicator can be found at:
-- https://fxcodebase.com/code/viewtopic.php?f=17&p=148463

--+------------------------------------------------------------------------------------------------+
--|                                                            Copyright © 2022, Gehtsoft USA LLC  | 
--|                                                                         http://fxcodebase.com  |
--+------------------------------------------------------------------------------------------------+
--|                                                                   Developed by : Mario Jemic   |                    
--|                                                                       mario.jemic@gmail.com    |
--|                                                        https://AppliedMachineLearning.systems  |
--|                                                                       https://mario-jemic.com/ |
--+------------------------------------------------------------------------------------------------+

--+------------------------------------------------------------------------------------------------+
--|                                           Our work would not be possible without your support. |
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--|                                                               Paypal: https://goo.gl/9Rj74e    |
--|                                                             Patreon :  https://goo.gl/GdXWeN   |  
--+------------------------------------------------------------------------------------------------+



-- Indicator profile initialization routine

function Init()
    indicator:name("Averages Bollinger Bands Break Out Histogram");
    indicator:description("");
    indicator:requiredSource(core.Tick);
    indicator:type(core.Oscillator);
	
	indicator.parameters:addGroup("Calculation"); 
    indicator.parameters:addString("Method", "Method", "", "MVA");
    indicator.parameters:addStringAlternative("Method", "MVA", "", "MVA");
    indicator.parameters:addStringAlternative("Method", "EMA", "", "EMA");
    indicator.parameters:addStringAlternative("Method", "Wilder", "", "Wilder");
    indicator.parameters:addStringAlternative("Method", "LWMA", "", "LWMA");
    indicator.parameters:addStringAlternative("Method", "SineWMA", "", "SineWMA");
    indicator.parameters:addStringAlternative("Method", "TriMA", "", "TriMA");
    indicator.parameters:addStringAlternative("Method", "LSMA", "", "LSMA");
    indicator.parameters:addStringAlternative("Method", "SMMA", "", "SMMA");
    indicator.parameters:addStringAlternative("Method", "HMA", "", "HMA");
    indicator.parameters:addStringAlternative("Method", "ZeroLagEMA", "", "ZeroLagEMA");
    indicator.parameters:addStringAlternative("Method", "DEMA", "", "DEMA");
    indicator.parameters:addStringAlternative("Method", "T3", "", "T3");
    indicator.parameters:addStringAlternative("Method", "ITrend", "", "ITrend");
    indicator.parameters:addStringAlternative("Method", "Median", "", "Median");
    indicator.parameters:addStringAlternative("Method", "GeoMean", "", "GeoMean");
    indicator.parameters:addStringAlternative("Method", "REMA", "", "REMA");
    indicator.parameters:addStringAlternative("Method", "ILRS", "", "ILRS");
    indicator.parameters:addStringAlternative("Method", "IE/2", "", "IE/2");
    indicator.parameters:addStringAlternative("Method", "TriMAgen", "", "TriMAgen");
    indicator.parameters:addStringAlternative("Method", "JSmooth", "", "JSmooth");
    indicator.parameters:addStringAlternative("Method", "KAMA", "", "KAMA");
    indicator.parameters:addStringAlternative("Method", "ARSI", "", "ARSI");
    indicator.parameters:addStringAlternative("Method", "VIDYA", "", "VIDYA");
    indicator.parameters:addStringAlternative("Method", "HPF", "", "HPF");
    indicator.parameters:addStringAlternative("Method", "VAMA", "", "VAMA");	
    indicator.parameters:addInteger("Period", "Period", "", 20, 1, 2000);
    indicator.parameters:addDouble("Deviation", "Deviation", "", 2, 0, 2000);
	
    indicator.parameters:addInteger("SX", "Shift in periods", "Postive is future, negative is past", 0);	
 
 
	
	indicator.parameters:addGroup("Style"); 	
    indicator.parameters:addColor("ob_color", "OB Color", "", core.rgb(0, 255, 0));
    indicator.parameters:addColor("os_color", "OS Color", "", core.rgb(255, 0, 0));
    indicator.parameters:addColor("neutral_color", "Neutral Color", "", core.rgb(128, 128, 128));	
end

-- Indicator instance initialization routine
-- Processes indicator parameters and creates output streams
-- Parameters block

 
local Method, Period,Deviation; 
local first;
local source = nil;
 
local Oscillator;  
local Indicator;

-- Routine
 function Prepare(nameOnly)   
 
    Method= instance.parameters.Method;
    Period= instance.parameters.Period;
    Deviation= instance.parameters.Deviation;
    SX = instance.parameters.SX;	
	
	local Parameters=  Method ..", ".. Period..", "..Deviation..", "..SX;
 
    local name = profile:id() .. "(" ..  instance.source:name() ..  ", " ..  Parameters .. ")";
    instance:name(name); 


    if   (nameOnly) then
        return;
    end
	
    
    assert(core.indicators:findIndicator("AVERAGES") ~= nil, "Please, download and install AVERAGES.LUA indicator");		
    source = instance.source; 
	AVERAGES=core.indicators:create("AVERAGES",source,Method,Period);
	first=math.max(Period, AVERAGES.DATA:first());  


    first = first + SX;
    if first < 0 then
        first = 0;
    end

	
	Oscillator = instance:addStream("Oscillator" , core.Bar, " Oscillator"," Oscillator",instance.parameters.neutral_color, first,SX ); 
	Oscillator:addLevel(50);
	Oscillator:addLevel(-50);
    Oscillator:setPrecision(math.max(2, source:getPrecision()));
	
	
end

-- Indicator calculation routine
function Update(period, mode)

    AVERAGES:update(mode);
	
	if period <= first
	then
	return;
	end
	
    local p = period + SX;
    if p <= 0  then	
	return;
	end
	
 
    local d = mathex.stdev(source, period - Period + 1, period);
    local Dd = Deviation * d;
    local TL = AVERAGES.DATA[period] + Dd;
    local BL = AVERAGES.DATA[period] - Dd; 
 
     local Range=(TL-BL)/100;
     Oscillator[p]=( (source[period]-BL)/Range)-50;
	 if Oscillator[p] > 50 then
	 Oscillator:setColor(p,instance.parameters.ob_color);
	 elseif Oscillator[p] <- 50 then
	 Oscillator:setColor(p,instance.parameters.os_color);	 
	 else
	 Oscillator:setColor(p,instance.parameters.neutral_color);
	 end			  
end

 
--+------------------------------------------------------------------------------------------------+
--|                                                                    We appreciate your support. | 
--+------------------------------------------------------------------------------------------------+
--|                                                               Paypal: https://goo.gl/9Rj74e    |
--|                                                             Patreon :  https://goo.gl/GdXWeN   |  
--+------------------------------------------------------------------------------------------------+
--|                                                                   Developed by : Mario Jemic   |                    
--|                                                                       mario.jemic@gmail.com    |
--|                                                        https://AppliedMachineLearning.systems  |
--|                                                                       https://mario-jemic.com/ |
--+------------------------------------------------------------------------------------------------+

--+------------------------------------------------------------------------------------------------+
--|BitCoin                    : 15VCJTLaz12Amr7adHSBtL9v8XomURo9RF                                 |  
--|Ethereum                   : 0x8C110cD61538fb6d7A2B47858F0c0AaBd663068D                         |  
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--|SHIB Address               : 0x1817D9ebb000025609Bf5D61E269C64DC84DA735                         |              
--|Binance(ERC20 & BSC only)  : 0xe84751063de8ade7c5fbff5e73f6502f02af4e2c                         | 
--|BitCoin Cash               : 1BEtS465S3Su438Kc58h2sqvVvHK9Mijtg                                 | 
--|LiteCoin                   : LLU8PSY2vsq7B9kRELLZQcKf5nJQrdeqwD                                 |  
--+------------------------------------------------------------------------------------------------+