-- More information about this indicator can be found at:
-- http://fxcodebase.com/code/viewtopic.php?f=17&t=65957

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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("Indicator Candle");
    indicator:description("Indicator Candle");
    indicator:requiredSource(core.Bar);
    indicator:type(core.Indicator); 
	
	
	  indicator.parameters:addInteger("Stream", "Number Of Indicator Stream", "", 0,0,100);
	 
	 indicator.parameters:addString("IN", "Indicator", "", "");
     indicator.parameters:setFlag("IN",core.FLAG_INDICATOR);
	 
    indicator.parameters:addColor("up_color", "Up Color", "", core.rgb(0, 255, 0));
	 indicator.parameters:addColor("dn_color", "Down Color", "", core.rgb(255, 0, 0));
	 indicator.parameters:addColor("no_color", "Down Color", "", core.rgb(128, 128, 128));
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;

-- Streams block 
local Indicator;
local MIN,MAX;
local min,max;
local up_color,dn_color,no_color;
local Stream;
local DATA;

local  open=nil;
local  close=nil;
local  high=nil;
local  low=nil;

-- Routine
function Prepare(nameOnly)  
    no_color = instance.parameters.no_color;
    Stream = instance.parameters.Stream; 
	up_color = instance.parameters.up_color;
	dn_color  = instance.parameters.dn_color;
	 
	
    source = instance.source;
	
	
	 local name = profile:id() .. "(" .. source:name()  ..", ".. instance.parameters:getString("IN") ..")";
    instance:name(name);
	
	if   (nameOnly) then
        return;
    end
    
	
	local  iprofile;
    local iparams;		
	iprofile = core.indicators:findIndicator(instance.parameters:getString("IN"));
	iparams = instance.parameters:getCustomParameters("IN");
	
	if  iprofile:requiredSource() == core.Tick then
	Indicator = iprofile:createInstance(source.close, iparams);
	else
	Indicator = iprofile:createInstance(source, iparams);
	end   
	
	first =Indicator.DATA:first();
	
	local COUNT=Indicator:getStreamCount ();
	
	if COUNT> Stream then
	DATA=Indicator:getStream (Stream);
	else
	 error(instance.parameters:getString("IN") .. " Have Only "..COUNT .. " Data Streams" );
	end
	
	
	  	
	open = instance:addStream("openup", core.Line, name, "", core.rgb(0, 0, 0), first);
    high = instance:addStream("highup", core.Line, name, "", core.rgb(0, 0, 0), first);
    low = instance:addStream("lowup", core.Line, name, "", core.rgb(0, 0, 0), first);
    close = instance:addStream("closeup", core.Line, name, "", core.rgb(0, 0, 0), first);
    instance:createCandleGroup("OVERLAY", "OVERLAY", open, high, low, close);
 
    
end

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

    open[period] = source.open[period];
	close[period] = source.close[period];
	high[period] = source.high[period];
	low[period] = source.low[period];
	
			if period < first then
			open:setColor(period, Neutral);	
			return;
			end   
 
	
 
	
	Indicator:update(mode);
 
		 
			 
			
			    if  DATA:hasData(period) and  DATA:hasData(period-1) then					
					if DATA[period]> DATA[period-1] then
					open:setColor(period,up_color);	
					elseif DATA[period]< DATA[period-1] then
					open:setColor(period,dn_color);
					else
					open:setColor(period,no_color)
					end
				end	
		 
	
	 
       
end