-- More information about this indicator can be found at:
-- https://fxcodebase.com/code/viewtopic.php?f=17&t=73768

--+------------------------------------------------------------------------------------------------+
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--|                                                                         http://fxcodebase.com  |
--+------------------------------------------------------------------------------------------------+
--|                                                                   Developed by : Mario Jemic   |                    
--|                                                                       mario.jemic@gmail.com    |
--|                                                        https://AppliedMachineLearning.systems  |
--|                                                                       https://mario-jemic.com/ |
--+------------------------------------------------------------------------------------------------+

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-- 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("GrossPL indicator");
    indicator:description("");
    indicator:requiredSource(core.Tick);
    indicator:type(core.Oscillator);
	indicator.parameters:addGroup("Account Information");
 	indicator.parameters:addString("Account", "Account to trade", "", "");
    indicator.parameters:setFlag("Account", core.FLAG_ACCOUNT);
	
	indicator.parameters:addGroup("Style"); 
	indicator.parameters:addColor("Gain", "Gain Color", "", core.rgb(0, 255, 0)); 
	indicator.parameters:addColor("Loss", "Loss Color", "", core.rgb(255, 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; 
	
-- Routine
 function Prepare(nameOnly)   
 
 
	source = instance.source
	Account=instance.parameters.Account
 
    local name = profile:id() .. "(" ..  instance.source:name()   .. ")";
    instance:name(name); 


    if   (nameOnly) then
        return;
    end
	
 
	first=source:first() ;  
 
	
	
    Bar = instance:addStream("Line", core.Bar, name, "Line", instance.parameters.Gain, first );
    Bar:setPrecision(math.max(2, instance.source:getPrecision())); 
    Bar:addLevel(0);	
 
end


function Update(period, mode) 

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


    local GrossPL=core.host:findTable("accounts"):find("AccountID", Account).GrossPL;	
	if GrossPL ~= nil then
	Bar[period] =GrossPL;
	end
	
	if Bar[period] > 0 then  	
	Bar:setColor(period, instance.parameters.Gain);
	else
	Bar:setColor(period, instance.parameters.Loss);	
	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                                 |  
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--|LiteCoin                   : LLU8PSY2vsq7B9kRELLZQcKf5nJQrdeqwD                                 |  
--+------------------------------------------------------------------------------------------------+