Trailing stop code for an EA

//+------------------------------------------------------------------+
//| Ea Breack Out Massini o Minimi.mq4 |
//| Rosario Greco V4|
//| https://it.tradingview.com/u/FibotradingFx/ |
//+------------------------------------------------------------------+
#property copyright "Rosario Greco"
#property link "https://it.tradingview.com/u/FibotradingFx/"
#property version "1.00"
#property strict
//+------------------------------------------------------------------+
//| Expert initialization function |
//+------------------------------------------------------------------+
double MassimoCanale;
double MinimoCanale;
extern double LOTTI=0.0; //Fixed Lot, if 0.0 then Autolot ON
extern double deposit_lot = 50000; // Autolot, 1.0 per Amount of Balance?
extern int starthour = 8; // Start Recording Hour
extern int stophour = 12; // Stop Recording Hour 
extern bool CloseAllAtTime = false; // Closing all Trade at Hour XY? - Default true
extern int closeallhour = 23; // Close all Trade at Hour..
extern string info1 = "Recommended Bars check for H1=10, M30=20, M15=40, M5=120, M1=600"; //Important
extern int histbarcheck = 10; // How many History Bars to be checked?
int TicketBuy;
int TicketSell;
extern int SL = 30; // StopLoss 
extern int TP = 30; // TakeProfit 
extern int Filtro = 10; //Filtro Brackout
 
//extern int ValoreMediaMobile = 200; //Valore Media Mobile
extern string info2 = "Trading Months?"; //Important
extern bool month01 = true; // Trade on January?
extern bool month02 = true; // Trade on February?
extern bool month03 = true; // Trade on March?
extern bool month04 = true; // Trade on April?
extern bool month05 = true; // Trade on May?
extern bool month06 = true; // Trade on June?
extern bool month07 = true; // Trade on July?
extern bool month08 = true; // Trade on August?
extern bool month09 = true; // Trade on September?
extern bool month10 = true; // Trade on October?
extern bool month11 = true; // Trade on November?
extern bool month12 = true; // Trade on December?
extern string info3 = "Trading Days?"; //Important
extern bool day00 = true; // Trade on Sunday?
extern bool day01 = true; // Trade on Monday?
extern bool day02 = true; // Trade on Tuesday?
extern bool day03 = true; // Trade on Wednesday?
extern bool day04 = true; // Trade on Thursday?
extern bool day05 = true; // Trade on Friday?
extern bool day06 = true; // Trade on Saturday?

bool ContatoreCanale=true;
bool ContatoreOrdineLong=true;
bool ContatoreOrdineShort=true;
int lotsdigits ;
double lot ;
bool tradingmonths[13];
bool tradingdays[7];
 
 
int OnInit()
{
//---
//---
return(INIT_SUCCEEDED);
lotsdigits = 0 ;
if (MarketInfo (Symbol (), MODE_LOTSTEP) == 0.1)
{
lotsdigits = 1 ;
}
if (MarketInfo (Symbol (), MODE_LOTSTEP) == 0.01)
{
lotsdigits = 2 ;
}
if (MarketInfo (Symbol (), MODE_LOTSTEP) == 0.001)
{
lotsdigits = 3 ;
}
 

}
//+------------------------------------------------------------------+
//| Expert deinitialization function |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
{
//---
}
//+------------------------------------------------------------------+
//| Expert tick function |
//+------------------------------------------------------------------+
void OnTick()
{
tradingmonths[0]=false;
tradingmonths[1]=month01;
tradingmonths[2]=month02;
tradingmonths[3]=month03;
tradingmonths[4]=month04;
tradingmonths[5]=month05;
tradingmonths[6]=month06;
tradingmonths[7]=month07;
tradingmonths[8]=month08;
tradingmonths[9]=month09;
tradingmonths[10]=month10;
tradingmonths[11]=month11;
tradingmonths[12]=month12;
tradingdays[0]=day00;
tradingdays[1]=day01;
tradingdays[2]=day02;
tradingdays[3]=day03;
tradingdays[4]=day04;
tradingdays[5]=day05;
tradingdays[6]=day06;

if(Hour()==starthour)
{
ContatoreOrdineLong=true;
ContatoreOrdineShort=true;
}
MemorizzaCanale();
if(Ask>MassimoCanale+Filtro*10*Point && Hour()<stophour) EseguiOrdineLong();
if(Bid<MinimoCanale-Filtro*10*Point && Hour()<stophour) EseguiOrdineShort();
NoOverNight();
Lots ();

}
//+------------------------------------------------------------------+
void MemorizzaCanale(){
if(Hour()==(starthour+1) && Minute()<=5 && ContatoreCanale){
MassimoCanale=iHigh(Symbol(),PERIOD_CURRENT,iHighest(Symbol(),PERIOD_CURRENT,MODE_HIGH,histbarcheck,1));
MinimoCanale=iLow(Symbol(),PERIOD_CURRENT,iLowest(Symbol(),PERIOD_CURRENT,MODE_LOW,histbarcheck,1));
ContatoreCanale=false;
}
if(Hour()==starthour && !ContatoreCanale) ContatoreCanale=true;
}
void EseguiOrdineLong(){
//if(Ask>iMA(Symbol(),PERIOD_M15,ValoreMediaMobile,0,MODE_SMA,PRICE_CLOSE,0))
for (int i=1;i<=ArraySize(tradingmonths);i++){ 
   if(Month()==i && tradingmonths[i]==true ){  
         for (int j=0;j<=ArraySize(tradingdays);j++){
               if ((DayOfWeek()==j && tradingdays[j]==true) && (Hour()>=(starthour+1) && ContatoreOrdineLong)){
                     TicketBuy=OrderSend(Symbol(),OP_BUY,lot,Ask,0,Ask-SL*10*Point,Ask+TP*10*Point,"ordine buy strategia canale notturno",0,0,0);
                     if(TicketBuy<0){
                        Print("Errore Ordine Buy: ",GetLastError());
                        }
                        else ContatoreOrdineLong=false;
               }
         }
   }
}
}

void EseguiOrdineShort(){
//if(Bid<iMA(Symbol(),PERIOD_M15,ValoreMediaMobile,0,MODE_SMA,PRICE_CLOSE,0))
for (int i=1;i<=ArraySize(tradingmonths);i++){ 
   if(Month()==i && tradingmonths[i]==true ){ 
         for (int j=0;j<=ArraySize(tradingdays);j++){
               if ((DayOfWeek()==j && tradingdays[j]==true) && (Hour()>=(starthour+1) && ContatoreOrdineShort)){
                  TicketSell=OrderSend(Symbol(),OP_SELL,lot,Bid,0,Bid+SL*10*Point,Bid-TP*10*Point,"ordine sell strategia canale notturno",0,0,0);
                  if(TicketSell<0){
                     Print("Errore Ordine Sell: ",GetLastError());
                     }
                  else ContatoreOrdineShort=false;
               }
         }
   }
}
}
void NoOverNight(){
if(OrdersTotal()>0 && CloseAllAtTime && Hour()==closeallhour){
if(!OrderSelect(TicketBuy,SELECT_BY_TICKET,MODE_TRADES)){
Print("Errore ordine select: ", GetLastError());
}
if(OrderCloseTime()==0){
if(!OrderClose(OrderTicket(),OrderLots(),Bid,0,0)){
Print("Errore ordine close: ", GetLastError());
}
}
if(!OrderSelect(TicketSell,SELECT_BY_TICKET,MODE_TRADES)){
Print("Errore ordine select: ", GetLastError());
}
if(OrderCloseTime()==0){
if(!OrderClose(OrderTicket(),OrderLots(),Ask,0,0)){
Print("Errore ordine close: ", GetLastError());
}
}
}
}
// Modified by Luke
double Lots ()
{

if (LOTTI > 0)
{
lot = LOTTI ;
}
else
{
if (deposit_lot > 0)
{
lot = AccountBalance () / deposit_lot ;
}
}
return (NormalizeDouble (MathMax (MathMin (MarketInfo (Symbol (), MODE_MAXLOT), lot), MarketInfo (Symbol (), MODE_MINLOT)), lotsdigits)) ;
}