-- Id: 12281
--
-- More information about this indicator can be found at:
-- http://fxcodebase.com/code/viewtopic.php?f=17&t=60838

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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("CCI Stochastic");
    indicator:description("CCI Stochastic");
    indicator:requiredSource(core.Bar);
    indicator:type(core.Oscillator);
	 
    indicator.parameters:addGroup("Calculation");	
    indicator.parameters:addInteger("CCIPeriod", "CCI Period", "CCI Period", 14);
    indicator.parameters:addInteger("StochPeriod", "Stochastic Period", "Stochastic Period", 14);
    indicator.parameters:addInteger("StochSmooth", "Stochastic Smooth", "Stochastic Smooth", 3);
	
	indicator.parameters:addGroup("Style");
    indicator.parameters:addColor("CciStochastic_color", "Color of CciStochastic", "Color of CciStochastic", core.rgb(255, 0, 0));
	indicator.parameters:addInteger("width", "Line width", "", 1, 1, 5);
    indicator.parameters:addInteger("style", "Line style", "", core.LINE_SOLID);
    indicator.parameters:setFlag("style", core.FLAG_LINE_STYLE);
	
	indicator.parameters:addBoolean("ShowArrows", "Show Arrows", "", true);
	indicator.parameters:addBoolean("ShowArrowsOnZoneEnter", "Show Arrows On Zone Enter", "", true);
	indicator.parameters:addBoolean("ShowArrowsOnZoneExit", "Show Arrows On Zone Exit", "", true);
	indicator.parameters:addBoolean("ShowArrowsOnCentalLineCross", "Show Arrows On Central Line Cross", "", true);
	indicator.parameters:addInteger("Size", "Arrows Size", "", 10);
    indicator.parameters:addColor("Up", "Up Arrow Color","", core.rgb(0, 255, 0));
	indicator.parameters:addColor("Dn", "Down Arrow Color","", core.rgb(255, 0, 0));
	 indicator.parameters:addGroup("OB/OS Levels");	
    indicator.parameters:addDouble("overbought", "Overbought Level","", 80);
    indicator.parameters:addDouble("oversold","Oversold Level","", 20);
	indicator.parameters:addColor("level_overboughtsold_color", "Line Color","", core.rgb(128, 128, 128));
    indicator.parameters:addInteger("level_overboughtsold_width","Line width","", 1, 1, 5);
    indicator.parameters:addInteger("level_overboughtsold_style", "Line Style","", core.LINE_SOLID);
    indicator.parameters:setFlag("level_overboughtsold_style", core.FLAG_LEVEL_STYLE);
	
	
		
	indicator.parameters:addGroup("Alert Parameters");  
	indicator.parameters:addString("Live", "End of Turn / Live", "", "Live");
    indicator.parameters:addStringAlternative("Live", "End of Turn", "", "End of Turn");
	indicator.parameters:addStringAlternative("Live", "Live", "", "Live");
		indicator.parameters:addBoolean("Show", "Show Dialog box Alert", "", true);
	indicator.parameters:addBoolean("OnlyOnce", "Alert Once", "Subsequent Alert will be ignored.", false);	
 
	indicator.parameters:addGroup("Alerts Sound");   
    indicator.parameters:addBoolean("PlaySound", "Play Sound", "", true);	
    indicator.parameters:addBoolean("RecurrentSound", "Recurrent Sound", "", false);
	
	indicator.parameters:addGroup("Alerts Email");   
	indicator.parameters:addBoolean("SendEmail", "Send Email", "", true);
    indicator.parameters:addString("Email", "Email", "", "");
    indicator.parameters:setFlag("Email", core.FLAG_EMAIL);

	
	Parameters (1, "OB Cross");
	Parameters (2, "OS Cross")
end

function Parameters ( id, Label )
  
  
   indicator.parameters:addGroup(Label .. " Alert");
  
    indicator.parameters:addBoolean("ON"..id , "Show " .. Label .." Alert" , "", true);


    indicator.parameters:addFile("Up"..id, Label .. " Cross Over Sound", "", "");
    indicator.parameters:setFlag("Up"..id, core.FLAG_SOUND);
	
	indicator.parameters:addFile("Down"..id, Label .. " Cross Under Sound", "", "");
    indicator.parameters:setFlag("Down"..id, core.FLAG_SOUND);
	
	 indicator.parameters:addString("Label"..id, "Label", "", Label);

end 

local 	Number = 2;

-- 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 CCIPeriod;
local StochPeriod;
local StochSmooth;
	local  ShowArrows ,ShowArrowsOnZoneEnter,ShowArrowsOnZoneExit,ShowArrowsOnCentalLineCross;
local first;
local source = nil;

-- Streams block
local stoch;
local rawstoch;
local cci;
local ma;
local Text;
local tup,tdown;
local bup,bdown;
local cup,cdown;
local Size;
local OB,OS;

-- Parameters block
local Up={};
local Down={};
local Label={};
local ON={};
 
local Line;
local up={};
local down={};
 
local Email;
local SendEmail;
local  RecurrentSound ,SoundFile  ;
local Show;
local Alert;
 
local PlaySound;
local Live;
local FIRST=true;
 
local OnlyOnce;
local U={};
local D={};
 
local OnlyOnceFlag;
-- Routine
function Prepare(nameOnly)

    OnlyOnceFlag=true;
	FIRST=true;
	OnlyOnce = instance.parameters.OnlyOnce;
	Show = instance.parameters.Show;
	
	
	
    CCIPeriod = instance.parameters.CCIPeriod;
    StochPeriod = instance.parameters.StochPeriod;
    StochSmooth = instance.parameters.StochSmooth;
	ShowArrows = instance.parameters.ShowArrows;
	ShowArrowsOnCentalLineCross = instance.parameters.ShowArrowsOnCentalLineCross;
	Size = instance.parameters.Size;
	ShowArrowsOnZoneEnter = instance.parameters.ShowArrowsOnZoneEnter;
	ShowArrowsOnZoneExit = instance.parameters.ShowArrowsOnZoneExit;
    source = instance.source;
    OB=instance.parameters.overbought;
    OS=instance.parameters.oversold;
    local name = profile:id() .. "(" .. source:name() .. ", " .. tostring(CCIPeriod) .. ", " .. tostring(StochPeriod) .. ", " .. tostring(StochSmooth) .. ")";
    instance:name(name);
	
	if   (nameOnly) then
        return;
    end
	
	 cci = core.indicators:create("CCI", source, CCIPeriod);
	 rawstoch = instance:addInternalStream(0, 0);
	 ma = core.indicators:create("MVA", rawstoch, StochSmooth);
	 first = cci.DATA:first();

    
        stoch = instance:addStream("CciStochastic", core.Line, name, "CCI Stochastic", instance.parameters.CciStochastic_color, ma.DATA:first());
		stoch:addLevel(instance.parameters.oversold, instance.parameters.level_overboughtsold_style, instance.parameters.level_overboughtsold_width, instance.parameters.level_overboughtsold_color);
		stoch:addLevel(instance.parameters.overbought, instance.parameters.level_overboughtsold_style, instance.parameters.level_overboughtsold_width, instance.parameters.level_overboughtsold_color);    
		stoch:addLevel(50, instance.parameters.level_overboughtsold_style, instance.parameters.level_overboughtsold_width, instance.parameters.level_overboughtsold_color);    
		stoch:setWidth(instance.parameters.width);
        stoch:setStyle(instance.parameters.style);
		
		stoch:setPrecision(math.max(2, instance.source:getPrecision()));
		
		if ShowArrows then
		
		 tup = instance:createTextOutput ("Up", "Up", "Wingdings", Size, core.H_Center, core.V_Bottom, instance.parameters.Up, 0);
         tdown = instance:createTextOutput ("Dn", "Dn", "Wingdings", Size, core.H_Center, core.V_Top, instance.parameters.Dn, 0);
		 
		 bup = instance:createTextOutput ("Up", "Up", "Wingdings", Size, core.H_Center, core.V_Bottom, instance.parameters.Up, 0);
         bdown = instance:createTextOutput ("Dn", "Dn", "Wingdings", Size, core.H_Center, core.V_Top, instance.parameters.Dn, 0);
		 
		 cup = instance:createTextOutput ("Up", "Up", "Wingdings", Size, core.H_Center, core.V_Bottom, instance.parameters.Up, 0);
         cdown = instance:createTextOutput ("Dn", "Dn", "Wingdings", Size, core.H_Center, core.V_Top, instance.parameters.Dn, 0);
	
		core.host:execute ("attachTextToChart", "Up");
		core.host:execute ("attachTextToChart", "Dn");
		end
		
     
	
		Initialization();

end




function  Initialization ()
     
	 SendEmail = instance.parameters.SendEmail;
	 
	 local i;
	 for i = 1, Number , 1 do 
	  Label[i]=instance.parameters:getString("Label" .. i);
	  ON[i]=instance.parameters:getBoolean("ON" .. i);
	 end
	 
	 
	 

    if SendEmail then
        Email = instance.parameters.Email;
    else
        Email = nil;
    end
    assert(not(SendEmail) or (SendEmail and Email ~= ""), "E-mail address must be specified");
	
	
	 PlaySound = instance.parameters.PlaySound;
    if PlaySound then
    
	  for i = 1, Number , 1 do 
	  Up[i]=instance.parameters:getString("Up" .. i);
	  Down[i]=instance.parameters:getString("Down" .. i);
	  end
	
    else 
	
	  for i = 1, Number , 1 do 
       Up[i]=nil;
	  Down[i]=nil;
	  end
		
    end
    
        for i = 1, Number , 1 do 
	  assert(not(PlaySound) or (PlaySound and Up[i] ~= "") or (PlaySound and Up[i] ~= ""), "Sound file must be chosen"); 
	 assert(not(PlaySound) or (PlaySound and Down[i] ~= "") or (PlaySound and Down[i] ~= ""), "Sound file must be chosen");
	end
	 
    RecurrentSound = instance.parameters.RecurrentSound;
	
	for i = 1, Number , 1 do 
	U[i] = nil;
	D[i] = nil;
	
		if ON[i] then
		up[i] = instance:createTextOutput ("Up", "Up", "Wingdings", Size, core.H_Center, core.V_Center, instance.parameters.Up, 0);
		down[i] = instance:createTextOutput ("Dn", "Dn", "Wingdings", Size, core.H_Center, core.V_Center, instance.parameters.Dn, 0);
		end
	end
		
	

	
end	


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

  Calculation (period,mode)
  
  
  local i;
	for i = 1, Number , 1 do
		  if ON[i] then
		 down[i]:setNoData (period); 
		 up[i]:setNoData (period);
		 end
   end	 
   
   if period < first then
return;
end
	
    Activate (1, period);
	Activate (2, period);
end

function Calculation ( period, mode)


  cci:update(mode);
	
   if period < first+StochPeriod  then 
   return;
   end
	
	 local TodayCCI = cci.DATA[period] ; 
     local TodayLowCCI = mathex.min(cci.DATA, period-StochPeriod+1, period ) ; 
     local TodayHighCCI = mathex.max(cci.DATA, period-StochPeriod+1, period ) ; 
   
	   rawstoch[period]=100*(TodayCCI - TodayLowCCI)/(TodayHighCCI - TodayLowCCI);  
    
    ma:update(mode);
	
	if period < ma.DATA:first() then
	return;
	end
	
	stoch[period] = ma.DATA[period];
    
	
	if ShowArrows then
	tdown:setNoData(period);
    tup:setNoData(period);
	bdown:setNoData(period);
    bup:setNoData(period);	
	cdown:setNoData(period);
    cup:setNoData(period);
	Arrows(period);
	end
	
	
end


function Arrows(period)

  if ShowArrowsOnZoneEnter then
	   if stoch[period] > OB and stoch[period-1]<= OB then
	   tup:set(period , source.low[period], "\217", source.low[period ]);
	   end
	   if stoch[period] < OS and stoch[period-1]>= OS then
       bdown:set(period , source.high[period], "\218", source.high[period ]);
	   end
  end
  
  if ShowArrowsOnZoneExit then
  
       if stoch[period] < OB and stoch[period-1]>= OB then
	   tdown:set(period , source.high[period], "\218", source.high[period ]);
	   end
	   if stoch[period] > OS and stoch[period-1]<= OS then
        bup:set(period , source.low[period], "\217", source.low[period ]);
	   end
  
  end
  
  
    if ShowArrowsOnCentalLineCross then
	
	  if stoch[period] < 50 and stoch[period-1]>= 50 then
	   cdown:set(period , source.high[period], "\218", source.high[period ]);
	   end
	   if stoch[period] > 50 and stoch[period-1]<= 50 then
        cup:set(period , source.low[period], "\217", source.low[period ]);
	   end
	
	end

end



function Activate (id, period)

   local Shift=0;
   

   if Live~= "Live" then
	period=period-1;
	Shift=1;
	end
 
	  if id == 1  and ON[id]  then
	  
	       
			if stoch[period] > instance.parameters.overbought
			and stoch[period-1] <= instance.parameters.overbought
			then
			           
						     up[id]:set(period , instance.parameters.overbought, "\108");	
						   
			
			 D[id] = nil;
						   
							  if U[id]~=source:serial(period) 
							  and period == source:size()-1-Shift
							  and not FIRST 
							  then
							  OnlyOnceFlag=false;
							  U[id]=source:serial(period);
							  SoundAlert(Up[id]);
							  EmailAlert(  Label[id], " Cross Over", period);
							    
							        if Show then
									Pop(Label[id], " Cross Over " );  	
								    end
								 
							  end
			elseif  stoch[period] < instance.parameters.overbought
			and stoch[period-1] >= instance.parameters.overbought
            then			
			
			            			 
			               down[id]:set(period , instance.parameters.overbought, "\108");	  						   
						   
		     U[id] = nil;
		   
			                 if  D[id]~=source:serial(period)
							 and period == source:size()-1-Shift
							 and not FIRST 
							 then
							 OnlyOnceFlag=false;
							 D[id]=source:serial(period);
							 SoundAlert(Down[id]);			 
							 EmailAlert( Label[id] , " Cross Under", period);	
								 if Show then
									Pop(Label[id], " Cross Under " );  	
								 end
							 
			                  end			   
	         end
			
	       elseif id == 2  and ON[id]  then
	  
	       
			if stoch[period] > instance.parameters.oversold
			and stoch[period-1] <= instance.parameters.oversold
			then
			           
						     up[id]:set(period , instance.parameters.oversold, "\108");	
						   
			
			 D[id] = nil;
						   
							  if U[id]~=source:serial(period) 
							  and period == source:size()-1-Shift
							  and not FIRST 
							  then
							  OnlyOnceFlag=false;
							  U[id]=source:serial(period);
							  SoundAlert(Up[id]);
							  EmailAlert(  Label[id], " Cross Over", period);
							    
							        if Show then
									Pop(Label[id], " Cross Over " );  	
								    end
								 
							  end
			elseif  stoch[period] < instance.parameters.oversold
			and stoch[period-1] >= instance.parameters.oversold
            then			
			
			            			 
			               down[id]:set(period , instance.parameters.oversold, "\108");	  						   
						   
		     U[id] = nil;
		   
			                 if  D[id]~=source:serial(period)
							 and period == source:size()-1-Shift
							 and not FIRST 
							 then
							 OnlyOnceFlag=false;
							 D[id]=source:serial(period);
							 SoundAlert(Down[id]);			 
							 EmailAlert( Label[id] , " Cross Under", period);	
								 if Show then
									Pop(Label[id], " Cross Under " );  	
								 end
							 
			                  end			   
	         end
	 
	  end
	  
		   
        if FIRST then
        FIRST=false;      
        end		

end


function AsyncOperationFinished (cookie, success, message)
end


function Pop(label , note)

   core.host:execute ("prompt", 1, label ,
   " ( " .. source:instrument() .. " : " .. source:barSize() .. " ) "  ..   label .. " : " .. note );


end

function SoundAlert(Sound)
 if not PlaySound then
 return;
 end

  if OnlyOnce and OnlyOnceFlag== false then
 return;
 end

 
    terminal:alertSound(Sound, RecurrentSound);
end

 

function EmailAlert( label , Subject, period)

if not SendEmail then
return
end

 if OnlyOnce and OnlyOnceFlag== false then
 return;
 end

 
    local date = source:date(period);
	local DATA = core.dateToTable (date);
	
    
   local delim = "\013\010";  
   local Note=  profile:id().. delim.. " Label : " ..label  .. delim .. " Alert : " .. Subject ;   
   local Symbol= "Instrument : " .. source:instrument() ;
   local TF= "Time Frame : " .. source:barSize();    
   local Time =  " Date : " .. DATA.month.." / ".. DATA.day .." Time:  ".. DATA.hour  .." / ".. DATA.min .." / ".. DATA.sec; 
   
     local text = Note  .. delim ..  Symbol .. delim .. TF   .. delim .. Time;
	 terminal:alertEmail(Email, profile:id(), text);
end