-- Id: 23828
-- More information about this indicator can be found at:
-- http://fxcodebase.com/code/viewtopic.php?f=17&t=67297

--+------------------------------------------------------------------+
--|                               Copyright © 2019, Gehtsoft USA LLC | 
--|                                            http://fxcodebase.com |
--+------------------------------------------------------------------+
--|                                      Developed by : Mario Jemic  |                    
--|                                          mario.jemic@gmail.com   |
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--+------------------------------------------------------------------+


-- Indicator profile initialization routine

function Init()
    indicator:name("Carbon Double Wam");
    indicator:description("");
    indicator:requiredSource(core.Tick);
    indicator:type(core.Oscillator);
 
	
	indicator.parameters:addGroup("1. MA Calculation"); 
    indicator.parameters:addInteger("Period1", "1. Period", "", 21, 1, 2000);
	indicator.parameters:addInteger("Period2", "2. Period", "", 3, 1, 2000);
	
	indicator.parameters:addInteger("Lag1", "Primary Lag", "", 1, 1, 2000);
 
    indicator.parameters:addInteger("Period3", "1. Smoothing Period", "", 21, 1, 2000);
	indicator.parameters:addInteger("Period4", "2. Smoothing Period", "", 21, 1, 2000);
	
	indicator.parameters:addInteger("Lag2", "Smoothing Lag", "", 1, 1, 2000);
	
	indicator.parameters:addString("Method", "MA Method", "Method" , "EMA");
    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:addGroup("Style"); 	
    indicator.parameters:addColor("color1", "1. 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:addColor("color2", "2. 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);
	
	indicator.parameters:addGroup("Alert Parameters");  
	indicator.parameters:addString("Live", "Execution", "", "End of Turn");
    indicator.parameters:addStringAlternative("Live", "End of Turn", "", "End of Turn");
	indicator.parameters:addStringAlternative("Live", "Live", "", "Live");  

 
	 
	indicator.parameters:addInteger("ToTime", "Convert the date to", "", 6);
    indicator.parameters:addIntegerAlternative("ToTime", "EST", "", 1);
    indicator.parameters:addIntegerAlternative("ToTime", "UTC", "", 2);
    indicator.parameters:addIntegerAlternative("ToTime", "Local", "", 3);
    indicator.parameters:addIntegerAlternative("ToTime", "Server", "", 4);
    indicator.parameters:addIntegerAlternative("ToTime", "Financial", "", 5);
	indicator.parameters:addIntegerAlternative("ToTime", "Display", "", 6);	

	indicator.parameters:addBoolean("Show", "Show Dialog box Alert", "", true);
	indicator.parameters:addBoolean("OnlyOnce", "Alert Once", "Subsequent Alert will be ignored.", false);	
	indicator.parameters:addBoolean("ShowAlert", "Show Alert", "", true);
	
	indicator.parameters:addGroup("Alert Style");
    indicator.parameters:addColor("UpTrendColor", "Up Trend Color", "", core.rgb(0, 0, 255));
	indicator.parameters:addColor("DownTrendColor", "Down Trend Color", "", core.rgb(0, 0, 255));
	indicator.parameters:addInteger("Size", "Label Size", "", 10, 1 , 100);
	
	indicator.parameters:addGroup("Alerts Sound");   
    indicator.parameters:addBoolean("PlaySound", "Play Sound", "", false);	
    indicator.parameters:addBoolean("RecurrentSound", "Recurrent Sound", "", false);

	
	indicator.parameters:addGroup("Alerts Email");   
	indicator.parameters:addBoolean("SendEmail", "Send Email", "", false);
    indicator.parameters:addString("Email", "Email", "", "");
    indicator.parameters:setFlag("Email", core.FLAG_EMAIL);

	
	Parameters (1, "1. Line");	
	Parameters (2, "2. Line");
	Parameters (3, "1. Line/2. Line");
	
end

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

local Method1, Period1, Period2, Period3, Period4;
local Lag1, Lag2;
local first;
local source = nil;
 
local First1, Second1;
local First2, Second2;
local DataA,DataB;
local A,B;
local C,D;
local E,F;


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 = 3;
local Up={};
local Down={};
local Label={};
local ON={};
local Size;
local Email;
local SendEmail;
local  RecurrentSound ,SoundFile  ;
local Show;
local Alert;
local PlaySound;
local Live;
local FIRST=true;
local OnlyOnce;
local U_S={};
local D_S={};
local UpTrendColor, DownTrendColor;
local OnlyOnceFlag;
local ShowAlert;
local Alert={}; 
local AlertLevel={};
local ToTime;
local Shift=0; 

-- Routine
 function Prepare(nameOnly)   
 
 
 
 
 
    Period1= instance.parameters.Period1;
	Period2= instance.parameters.Period2;
	Period3= instance.parameters.Period3;
	Period4= instance.parameters.Period4;
    Method= instance.parameters.Method;
    
	
	Lag2= instance.parameters.Lag2;
	Lag1= instance.parameters.Lag1;
	
	
	
	
	local Parameters= Period1  ..  ", " .. Period2 ..  ", " .. Lag1 ..  ", " ..Period3 ..  ", " ..Period4 ..  ", " .. Lag2 ..  ", " .. Method;
 
    local name = profile:id() .. "(" ..  instance.source:name()  .. ")";
    instance:name(name); 


    if   (nameOnly) then
        return;
    end
	
	
	ToTime=instance.parameters.ToTime;
	
	if ToTime == 1 then
	ToTime=core.TZ_EST;
	elseif ToTime == 2 then
	ToTime=core.TZ_UTC;
	elseif ToTime == 3 then
	ToTime=core.TZ_LOCAL;
	elseif ToTime == 4 then
	ToTime=core.TZ_SERVER;
	elseif ToTime == 5 then
	ToTime=core.TZ_FINANCIAL;
	elseif ToTime == 6 then
	ToTime=core.TZ_TS;
	end
	
    
	OnlyOnceFlag=true;
	FIRST=true;
	OnlyOnce = instance.parameters.OnlyOnce;
	ShowAlert = instance.parameters.ShowAlert;
	Show = instance.parameters.Show;
	Live = instance.parameters.Live;
	UpTrendColor = instance.parameters.UpTrendColor;
	DownTrendColor = instance.parameters.DownTrendColor;
	Size=instance.parameters.Size;

    
			
    source = instance.source;
    
  
    assert(core.indicators:findIndicator(Method) ~= nil, Method .. " indicator must be installed");
    A = core.indicators:create(Method, source, Period1);
    B = core.indicators:create(Method, source, Period2);
    
   
	
	DataA1 = instance:addInternalStream(0, 0);
	DataB1  = instance:addInternalStream(0, 0);
		
	C = core.indicators:create(Method, DataA1, Period3);
    D = core.indicators:create(Method, DataB1, Period3);
	
	DataA2 = instance:addInternalStream(0, 0);
	DataB2  = instance:addInternalStream(0, 0);
   
   
    E = core.indicators:create(Method, DataA2, Period4);
    F = core.indicators:create(Method, DataB2, Period4); 
	
	
	first=math.max(E.DATA:first(), F.DATA:first()) 
 
	First1 = instance:addStream("First1" , core.Line, "1. First"," 1. First",instance.parameters.color1, first);
	First1:setWidth(instance.parameters.width1);
    First1:setStyle(instance.parameters.style1);
    First1:setPrecision(math.max(2, source:getPrecision()));
	
	First2 = instance:addStream("First2" , core.Line, "2. First"," 2. First",instance.parameters.color1, first);
	First2:setWidth(instance.parameters.width1);
    First2:setStyle(instance.parameters.style1);
    First2:setPrecision(math.max(2, source:getPrecision()));
	
	Second1 = instance:addStream("Second1" , core.Line, "1. Second","1. Second",instance.parameters.color2, first);
	Second1:setWidth(instance.parameters.width2);
    Second1:setStyle(instance.parameters.style2);
    Second1:setPrecision(math.max(2, source:getPrecision()));
	
	Second2 = instance:addStream("Second2" , core.Line, "2. Second","2. Second",instance.parameters.color2, first);
	Second2:setWidth(instance.parameters.width2);
    Second2:setStyle(instance.parameters.style2);
    Second2:setPrecision(math.max(2, source:getPrecision()));
	
	
	
	 for i= 1, Number , 1 do
		Alert[i]=instance:addInternalStream(0, 0);
		AlertLevel[i]=instance:addInternalStream(0, 0);
     end
	
	Initialization();	
	instance:ownerDrawn(true);	 
end


local init = false;
 
function Draw(stage, context)
 
	 if stage~= 2 then
	  return;
	  end
	  
	  
	
        if not init then
           context:createFont (1, "Wingdings", context:pointsToPixels (Size), context:pointsToPixels (Size), 0);
            init = true;
        end
		
		

		
		for period= math.max(context:firstBar (),source:first()), math.min( context:lastBar (), source:size()-1), 1 do
		
		 
		
		 x, x1, x2= context:positionOfBar (period);
		 
		 for Level = 1 , Number ,  1 do
		   if Alert[Level]:hasData(period) then
		     
		    if Alert[Level][period]== 1 then
			visible, y = context:pointOfPrice (AlertLevel[Level][period]);
			
			  width, height = context:measureText (1,  "\225", 0);
              context:drawText (1,   "\225", UpTrendColor, -1,  x-width/2 ,  y , x+width/2 , y+height, 0 );	
   
			elseif Alert[Level][period]== -1 then
			visible, y = context:pointOfPrice (AlertLevel[Level][period]);
			width, height = context:measureText (1,  "\226", 0);
			 context:drawText (1,   "\226", DownTrendColor, -1,  x-width/2  ,  y-height, x+width/2 ,y, 0 );	
		    end
		  end
		    
		 
		end
		end
		
  
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 and (Email == "" or Email == nil )), "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  and (Up[i] == "" or Up[i] == nil ) ), "Sound file must be chosen");
        assert (not (PlaySoundand  and (Down[i] == "" or Down[i] == nil)), "Sound file must be chosen");
	end
	 
    RecurrentSound = instance.parameters.RecurrentSound;
	
	for i = 1, Number , 1 do 
	U_S[i] = nil;
	D_S[i] = nil;	 
	end
		 
end	

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

 
 
    A:update(mode);
    B:update(mode);
	
	
    if period < math.max(A.DATA:first(), B.DATA:first())  +math.max(Lag1,Lag2)  then
	return;
	end
	
	DataA1[period]=A.DATA[period]-A.DATA[period-Lag1];
	DataB1[period]=B.DATA[period]-B.DATA[period-Lag2];
	
	
	C:update(mode);
    D:update(mode);
	
	
	if period < math.max(C.DATA:first(), D.DATA:first())+math.max(Lag1,Lag2) then
	return;
	end
	
	
	DataA2[period]=C.DATA[period]-C.DATA[period-Lag1];
	DataB2[period]=D.DATA[period]-D.DATA[period-Lag2];
	
	E:update(mode);
    F:update(mode);
	
	
	if period < math.max(E.DATA:first(), F.DATA:first()) then
	return;
	end
		
    First1[period]=E.DATA[period]/source:pipSize();
    Second1[period]=F.DATA[period]/source:pipSize();

    First2[period]=-E.DATA[period]/source:pipSize();
    Second2[period]=-F.DATA[period]/source:pipSize();
	
	
	if Live~= "Live" then
	period=period-1;
	Shift=1;
	else
	Shift=0;
	end
	
	
     if period < first then
	 return;
	 end
	
    Activate (1, period);
	Activate (2, period);
	Activate (3, period);
				  
end


function Activate (id, period)


   Alert[id][period]=0;
   
   
  
  
	  if id == 1  and ON[id]  then
	  
	       
			if  First1[period] > First2[period] 
			and   First1[period-1] <= First2[period-1] 
			then
			           
						    
         
                Alert[id][period]= 1;	
 				AlertLevel[id][period]= 0;
						   
			
			 D_S[id] = nil;
						   
							  if U_S[id]~=source:serial(period) 
							  and period == source:size()-1-Shift
							  and not FIRST 
							  and  (not OnlyOnce or (OnlyOnce and OnlyOnceFlag~= false))
							  then
							  
							  U_S[id]=source:serial(period);
							  SoundAlert(Up[id]);
							  EmailAlert(  Label[id], " Cross Over ");
							  SendAlert( Label[id]," Crossed over "); 
							  Pop(Label[id], " Cross Over ", period );  
							  OnlyOnceFlag=false;
							  end
							  
			elseif  First1[period] < First2[period]
			and   First1[period-1] >= First2[period-1] 
            then			
			
			            			 
			                Alert[id][period]= -1;	
							AlertLevel[id][period]= 0;
						   
		     U_S[id] = nil;
		   
			                 if  D_S[id]~=source:serial(period)
							 and period == source:size()-1-Shift
							 and not FIRST 
							 and  (not OnlyOnce or (OnlyOnce and OnlyOnceFlag~= false))
							 then							
							 D_S[id]=source:serial(period);
							 SoundAlert(Down[id]);			 
							 EmailAlert( Label[id] , " Cross Under ");								 
							 Pop(Label[id], " Cross Under ", period );  	
							 SendAlert( Label[id]," Crossed under ");
							 OnlyOnceFlag=false;
			                 end			   
	         end
			
	  
	 
	  end
	  
	  if id == 2  and ON[id]  then
	  
	       
			if  Second1[period] > Second2[period] 
			and   Second1[period-1] <= Second2[period-1] 
			then
			           
						    
         
                Alert[id][period]= 1;	
 				AlertLevel[id][period]= 0;
						   
			
			 D_S[id] = nil;
						   
							  if U_S[id]~=source:serial(period) 
							  and period == source:size()-1-Shift
							  and not FIRST 
							  and  (not OnlyOnce or (OnlyOnce and OnlyOnceFlag~= false))
							  then
							  
							  U_S[id]=source:serial(period);
							  SoundAlert(Up[id]);
							  EmailAlert(  Label[id], " Cross Over ");
							  SendAlert( Label[id]," Crossed over "); 
							  Pop(Label[id], " Cross Over ", period );  
							  OnlyOnceFlag=false;
							  end
							  
			elseif  Second1[period] < Second2[period]
			and   Second1[period-1] >= Second2[period-1] 
            then			
			
			            			 
			                Alert[id][period]= -1;	
							AlertLevel[id][period]= 0;
						   
		     U_S[id] = nil;
		   
			                 if  D_S[id]~=source:serial(period)
							 and period == source:size()-1-Shift
							 and not FIRST 
							 and  (not OnlyOnce or (OnlyOnce and OnlyOnceFlag~= false))
							 then							
							 D_S[id]=source:serial(period);
							 SoundAlert(Down[id]);			 
							 EmailAlert( Label[id] , " Cross Under ");								 
							 Pop(Label[id], " Cross Under ", period );  	
							 SendAlert( Label[id]," Crossed under ");
							 OnlyOnceFlag=false;
			                 end			   
	         end
			
	  
	 
	  end
	  
	  
	  if id == 3  and ON[id]  then
	  
	       
			if   (( First1[period] > Second1[period]) and ( First1[period-1] <= Second1[period-1]))
			or (( First1[period] > Second2[period]) and ( First1[period-1] <= Second2[period-1]))
			then
			           
						    
         
                Alert[id][period]= 1;	
 				AlertLevel[id][period]= 0;
						   
			
			 D_S[id] = nil;
						   
							  if U_S[id]~=source:serial(period) 
							  and period == source:size()-1-Shift
							  and not FIRST 
							  and  (not OnlyOnce or (OnlyOnce and OnlyOnceFlag~= false))
							  then
							  
							  U_S[id]=source:serial(period);
							  SoundAlert(Up[id]);
							  EmailAlert(  Label[id], " Cross Over ");
							  SendAlert( Label[id]," Crossed over "); 
							  Pop(Label[id], " Cross Over ", period );  
							  OnlyOnceFlag=false;
							  end
							  
			elseif (( First1[period] < Second1[period]) and ( First1[period-1] >= Second1[period-1]))
			or (( First1[period] < Second2[period]) and ( First1[period-1] >= Second2[period-1])) 
            then			
			
			            			 
			                Alert[id][period]= -1;	
							AlertLevel[id][period]= 0;
						   
		     U_S[id] = nil;
		   
			                 if  D_S[id]~=source:serial(period)
							 and period == source:size()-1-Shift
							 and not FIRST 
							 and  (not OnlyOnce or (OnlyOnce and OnlyOnceFlag~= false))
							 then							
							 D_S[id]=source:serial(period);
							 SoundAlert(Down[id]);			 
							 EmailAlert( Label[id] , " Cross Under ");								 
							 Pop(Label[id], " Cross Under ", period );  	
							 SendAlert( Label[id]," Crossed under ");
							 OnlyOnceFlag=false;
			                 end			   
	         end
			
	  
	 
	  end
	  
		   
        if FIRST then
        FIRST=false;      
        end		

end


function AsyncOperationFinished (cookie, success, message)
end

 

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

  terminal:alertSound(Sound, RecurrentSound);
end

 


function EmailAlert( label , Subject)

if not SendEmail then
return
end
 
   local now = core.host:execute("getServerTime");
	now = core.host:execute ("convertTime",  core.TZ_EST, ToTime, now);
	local DATA = core.dateToTable (now);
    
   local delim = "\013\010";  
   local Note=  profile:id().. delim.. " Label : " ..label  .. delim .. " Alert : " .. Subject ;   
   local Symbol= "Instrument : " .. source:instrument() ;
   local Time =  " Date : " .. DATA.month.." / ".. DATA.day .." Time:  ".. DATA.hour  .." / ".. DATA.min .." / ".. DATA.sec;  
   
   
    local TF= "Time Frame : " .. source:barSize();       
    local text = Note  .. delim ..  Symbol .. delim .. TF  .. delim .. Time;
	
	
 
   terminal:alertEmail(Email, profile:id(), text);
end
	 
	 
	 
	 
function Pop(AlertLabel , AlertText, period)
 
 
 if not Show then
   return;
   end
 
   local now = core.host:execute("getServerTime");
	now = core.host:execute ("convertTime",  core.TZ_EST, ToTime, now);
	local DATA = core.dateToTable (now);
   
   local delim = "\013\010";   
	
   local Symbol= "Instrument : " .. source:instrument() ;
   local TF= "Time Frame : " .. source:barSize();   
    local Time =  "Date : " .. DATA.month.." / ".. DATA.day .. delim .. " Time:  ".. DATA.hour  .." / ".. DATA.min .." / ".. DATA.sec; 
    local Text= Symbol .. delim ..  TF .. delim ..  Time.. delim ..  AlertLabel .. ":" ..    AlertText     
   core.host:execute ("prompt", 1, profile:id(),  Text );


end

function SoundAlert(Sound)
 if not PlaySound then
 return;
 end
 
 terminal:alertSound(Sound, RecurrentSound);
end

function EmailAlert(AlertLabel , AlertText, period)

if not SendEmail then
return
end

   local delim = "\013\010";   

     local now = core.host:execute("getServerTime");
	now = core.host:execute ("convertTime",  core.TZ_EST, ToTime, now);
	local DATA = core.dateToTable (now);
	
   local Symbol= "Instrument : " .. source:instrument() ;
   local TF= "Time Frame : " .. source:barSize();   
    local Time =  "Date : " .. DATA.month.." / ".. DATA.day .. delim .. " Time:  ".. DATA.hour  .." / ".. DATA.min .." / ".. DATA.sec; 
   
    local Text= Symbol .. delim ..  TF .. delim ..  Time.. delim ..  AlertLabel .. ":" ..    AlertText  
	
 
 terminal:alertEmail(Email, profile:id(), Text);
end
	 


function SendAlert(AlertLabel , AlertText, period)
    if not ShowAlert then
        return;
    end
	
	local delim = "\013\010";  
	
	 local now = core.host:execute("getServerTime");
	now = core.host:execute ("convertTime",  core.TZ_EST, ToTime, now);
	local DATA = core.dateToTable (now);
	
   local Symbol= "Instrument : " .. source:instrument() ;
   local TF= "Time Frame : " .. source:barSize();   
    local Time =  "Date : " .. DATA.month.." / ".. DATA.day .. delim ..  "Time :"   .. DATA.hour  .. " / ".. DATA.min .." / ".. DATA.sec; 
  
    local Text= Symbol .. delim ..  TF .. delim ..  Time.. delim ..  AlertLabel .. ":" ..    AlertText  
	
 
    terminal:alertMessage(source:instrument(), source[NOW], Text, source:date(NOW));
end