//+------------------------------------------------------------------+
//|                                                  EAFunctions.mqh |
//|                                                    Bahram Dolati |
//|                                         bahram.dolati2@gmail.com |
//+------------------------------------------------------------------+
#property copyright "Bahram Dolati"
#property link      "bahram.dolati2@gmail.com"
//+------------------------------------------------------------------+
//| defines                                                          |
//+------------------------------------------------------------------+
// #define MacrosHello   "Hello, world!"
// #define MacrosYear    2010
//+------------------------------------------------------------------+
//| DLL imports                                                      |
//+------------------------------------------------------------------+
// #import "user32.dll"
//   int      SendMessageA(int hWnd,int Msg,int wParam,int lParam);
// #import "my_expert.dll"
//   int      ExpertRecalculate(int wParam,int lParam);
// #import
//+------------------------------------------------------------------+
//| EX5 imports                                                      |
//+------------------------------------------------------------------+
// #import "stdlib.ex5"
//   string ErrorDescription(int error_code);
// #import
//+------------------------------------------------------------------+

//This function counts the number open positions in direction we want in current EA.
int NumberOfActivePositions(string symbol, string comment, int magic, ENUM_POSITION_TYPE position_type, bool ignoreType=false)
{

   int NumberOfOpenPositions=0;
   for(int i= PositionsTotal()-1; i >=0; i--)           
     {
     
        PositionGetTicket(i);
        
        if(PositionGetSymbol(i) != symbol) continue;
        if(!ignoreType && PositionGetInteger(POSITION_TYPE)  != position_type) continue;
        if(PositionGetInteger(POSITION_MAGIC) != magic) continue;
       // if(PositionGetString(POSITION_COMMENT) != comment) continue;
        NumberOfOpenPositions++;
        
        
            
      
     }
     return NumberOfOpenPositions;
}

bool IsNewBar(string symbol, ENUM_TIMEFRAMES timeframe, bool first_call=false){
   static bool result = false;
   if(!first_call) return(result);
   
   static datetime previous_time=0;
   datetime current_time = iTime(symbol, timeframe, 0);
   result = false;
   if(previous_time != current_time){
   previous_time = current_time;
   result = true;
   
   }
   
   return(result);
}

bool IsTradeAllowed(){
   return ((bool)MQLInfoInteger(MQL_TRADE_ALLOWED)
         && (bool)TerminalInfoInteger(TERMINAL_TRADE_ALLOWED)
         && (bool)AccountInfoInteger(ACCOUNT_TRADE_ALLOWED)
         && (bool)AccountInfoInteger(ACCOUNT_TRADE_EXPERT)
         ); 
}


bool CheckTimeInputsValidity(int StartHour, int StartMinute, int FinishHour, int FinishMinute){
     if(StartHour < 0 || StartHour > 23){
         Print("Start Hour Value ", StartHour, " is INVALID. It should be Positive and LESS THAN 23!");
         return false;
     }
     else if(StartMinute < 0 || StartMinute > 59){
        Print("Start Minute Value ", StartMinute ," is INVALID. It should be Positive and LESS THAN 59!");
        return false;
     }
     else if(FinishHour < 0 || FinishHour > 23){
        Print("Finish Hour Value ", FinishHour ," is INVALID. It should be Positive and LESS THAN 23!");
        return false;
     }
     else if(FinishMinute < 0 || FinishMinute > 59){
        Print("Finish Minute Value ", FinishMinute , " is INVALID. It should be Positive and LESS THAN 59!");
        return false;
     }
     else if( FinishHour < StartHour ){
        Print("Finish Hour ", FinishHour , " should be BIGGER Than or EQUAL to Start Hour ", StartHour, "!");
        return false;
     }
     else if(FinishHour == StartHour && FinishMinute < StartMinute){
         Print( "IF Finish Hour ",FinishHour," and Start Hour ",StartHour," are equal, Then Finih Minute ", FinishMinute, " should be bigger or equal to Start Minute ", StartMinute );
         return false;
     }
     else if (FinishHour == StartHour && FinishMinute == StartMinute){
         Print( "Finish Hour ",FinishHour," is Equal to Start Hour ",StartHour," and Finih Minute ", FinishMinute, " is equal to Start Minute ", StartMinute, " So There is no time limit to trading."  );
         return false;
     
     }
     else return true;


}

int TimeToMinute(datetime now){
   MqlDateTime dt;
   TimeToStruct(now, dt);
   return (dt.hour*60 + dt.min);
}