-- More information about this indicator can be found at:
-- https://fxcodebase.com/code/viewtopic.php?f=17&t=71705

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-- Indicator profile initialization routine

function Init()
    indicator:name("Oracle Move");
    indicator:description("");
    indicator:requiredSource(core.Tick);
    indicator:type(core.Indicator);
	
	indicator.parameters:addGroup("Calculation"); 
	indicator.parameters:addString("Method", "MA Method", "Method" , "LWMA");
    indicator.parameters:addStringAlternative("Method", "MVA", "MVA" , "MVA");
    indicator.parameters:addStringAlternative("Method", "EMA", "EMA" , "EMA");
    indicator.parameters:addStringAlternative("Method", "LWMA", "LWMA" , "LWMA");
    indicator.parameters:addStringAlternative("Method", "TMA", "TMA" , "TMA");
    indicator.parameters:addStringAlternative("Method", "SMMA", "SMMA" , "SMMA");
    indicator.parameters:addStringAlternative("Method", "KAMA", "KAMA" , "KAMA");
    indicator.parameters:addStringAlternative("Method", "VIDYA", "VIDYA" , "VIDYA");
    indicator.parameters:addStringAlternative("Method", "WMA", "WMA" , "WMA");
	
    indicator.parameters:addInteger("Period", "Period", "", 30, 1, 2000);
 
 
	
	indicator.parameters:addGroup("1. Line Style"); 	
    indicator.parameters:addColor("color1", "Line Color", "", core.rgb(0, 255, 0));
	indicator.parameters:addInteger("style1", "Line Style", "", core.LINE_SOLID);
    indicator.parameters:setFlag("style1", core.FLAG_LEVEL_STYLE);	
	indicator.parameters:addInteger("width1", "Line Width", "", 3, 1, 5);

	indicator.parameters:addGroup("2. Line Style"); 	
    indicator.parameters:addColor("color2", "Line Color", "", core.rgb(255, 0, 0));
	indicator.parameters:addInteger("style2", "Line Style", "", core.LINE_SOLID);
    indicator.parameters:setFlag("style2", core.FLAG_LEVEL_STYLE);	
	indicator.parameters:addInteger("width2", "Line Width", "", 3, 1, 5);
	
end

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

 
local Period,Method; 
local first;
local source = nil;
 
local Line;  
local MA1,MA2;
-- Routine
 function Prepare(nameOnly)   
 
 
    Period= instance.parameters.Period;
	Method= instance.parameters.Method;
	
	
	local Parameters= Period  .. ", " ..  Method;
 
    local name = profile:id() .. "(" ..  instance.source:name() ..  ", " ..  Parameters .. ")";
    instance:name(name); 


    if   (nameOnly) then
        return;
    end

    
			
    source = instance.source; 
	
	MA1 = core.indicators:create(Method, source, math.floor(Period / 2));
	MA2 = core.indicators:create(Method, source, math.floor(math.sqrt(Period)));
    first=math.max(MA1.DATA:first(),MA2.DATA:first());
	
	-- Average= instance:addInternalStream(0, 0);
   
 
	Line1 = instance:addStream("Line1" , core.Line, " Line1"," Line1",instance.parameters.color1, first);
	Line1:setWidth(instance.parameters.width1);
    Line1:setStyle(instance.parameters.style1);
    Line1:setPrecision(math.max(2, source:getPrecision()));
	
	Line2 = instance:addStream("Line2" , core.Line, " Line2"," Line2",instance.parameters.color2, first);
	Line2:setWidth(instance.parameters.width2);
    Line2:setStyle(instance.parameters.style2);
    Line2:setPrecision(math.max(2, source:getPrecision()));	
end

-- Indicator calculation routine
function Update(period, mode)
	MA1:update(mode);
	MA2:update(mode);
 
	if period <  first
	then
	return;
	end
 
		
     Line1[period]= MA1.DATA[period];
     Line2[period]= MA2.DATA[period];		  
end