//+------------------------------------------------------------------+
//|                                                    BuySell33.mq4 |
//|                                              Copyright 2020, AM2 |
//|                                      http://www.forexsystems.biz |
//+------------------------------------------------------------------+
#property copyright "Copyright 2020, AM2"
#property link      "http://www.forexsystems.biz"
#property version   "1.00"
#property strict

//--- Inputs
extern double Lot        = 0.1;      // лот
extern double KTake      = 2;        // увеличение тейка
extern int StopLoss      = 200;      // лось
extern int TakeProfit    = 300;      // язь
extern int Slip          = 30;       // реквот
extern int Magic         = 123;      // магик

//+------------------------------------------------------------------+
//| Expert initialization function                                   |
//+------------------------------------------------------------------+
int OnInit()
  {
//---
   PutButton("B",100,160,"BUY");
   PutButton("S",100,120,"SELL");
   PutButton("C",100,80,"CLOSE");
//---
   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+
//| Expert deinitialization function                                 |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
  {
   ObjectDelete(0,"B");
   ObjectDelete(0,"S");
   ObjectDelete(0,"C");
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void PutButton(string name,int x,int y,string text)
  {
   ObjectCreate(0,name,OBJ_BUTTON,0,0,0);
//--- установим координаты кнопки
   ObjectSetInteger(0,name,OBJPROP_XDISTANCE,x);
   ObjectSetInteger(0,name,OBJPROP_YDISTANCE,y);
//--- установим размер кнопки
   ObjectSetInteger(0,name,OBJPROP_XSIZE,80);
   ObjectSetInteger(0,name,OBJPROP_YSIZE,30);
//--- установим угол графика, относительно которого будут определяться координаты точки
   ObjectSetInteger(0,name,OBJPROP_CORNER,3);
//--- установим текст
   ObjectSetString(0,name,OBJPROP_TEXT,text);
//--- установим шрифт текста
   ObjectSetString(0,name,OBJPROP_FONT,"Arial");
//--- установим размер шрифта
   ObjectSetInteger(0,name,OBJPROP_FONTSIZE,9);
//--- установим цвет текста
   ObjectSetInteger(0,name,OBJPROP_COLOR,Red);
//--- установим цвет фона
   ObjectSetInteger(0,name,OBJPROP_BGCOLOR,White);
//--- установим цвет границы
   ObjectSetInteger(0,name,OBJPROP_BORDER_COLOR,Blue);
//--- скроем (true) или отобразим (false) имя графического объекта в списке объектов
   ObjectSetInteger(0,name,OBJPROP_HIDDEN,false);
//--- установим приоритет на получение события нажатия мыши на графике
   ObjectSetInteger(0,name,OBJPROP_ZORDER,0);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void PutOrder(int type,double price)
  {
   int r=0;
   color clr=Green;
   double sl=0,tp=0;

   if(type==1 || type==3 || type==5)
     {
      clr=Red;
      if(StopLoss>0)
         sl=NormalizeDouble(price+StopLoss*_Point,_Digits);
      if(TakeProfit>0)
         tp=NormalizeDouble(price-Take()*_Point,_Digits);
     }

   if(type==0 || type==2 || type==4)
     {
      clr=Blue;
      if(StopLoss>0)
         sl=NormalizeDouble(price-StopLoss*_Point,_Digits);
      if(TakeProfit>0)
         tp=NormalizeDouble(price+Take()*_Point,_Digits);
     }

   r=OrderSend(NULL,type,Lot,NormalizeDouble(price,_Digits),Slip,sl,tp,"",Magic,0,clr);
   return;
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int CountTrades()
  {
   int counts=0;
   for(int i=OrdersTotal()-1; i>=0; i--)
     {
      if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES))
        {
         if(OrderSymbol()==Symbol() && OrderMagicNumber()==Magic)
           {
            if(OrderType()<2)
               counts++;
           }
        }
     }
   return(counts);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CloseAll(int ot=-1)
  {
   bool cl;
   for(int i=OrdersTotal()-1; i>=0; i--)
     {
      if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES))
        {
         if(OrderSymbol()==Symbol() && OrderMagicNumber()==Magic)
           {
            if(OrderType()==0 && (ot==0 || ot==-1))
              {
               RefreshRates();
               cl=OrderClose(OrderTicket(),OrderLots(),NormalizeDouble(Bid,_Digits),Slip,White);
              }
            if(OrderType()==1 && (ot==1 || ot==-1))
              {
               RefreshRates();
               cl=OrderClose(OrderTicket(),OrderLots(),NormalizeDouble(Ask,_Digits),Slip,White);
              }
           }
        }
     }
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int Losses()
  {
   int loss=0;

   for(int i=OrdersHistoryTotal()-1; i>=0; i--)
     {
      if(OrderSelect(i,SELECT_BY_POS,MODE_HISTORY))
        {
         if(OrderSymbol()==Symbol() && OrderMagicNumber()==Magic)
           {
            if(OrderType()==0)
              {
               if(OrderClosePrice()-OrderOpenPrice()<0)
                  loss++;
               if(OrderClosePrice()-OrderOpenPrice()>0)
                  break;
              }
            if(OrderType()==1)
              {
               if(OrderClosePrice()-OrderOpenPrice()>0)
                  loss++;
               if(OrderClosePrice()-OrderOpenPrice()<0)
                  break;
              }
           }
        }
     }
   return(loss);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
double Take()
  {
   double take=TakeProfit;
   if(Losses()>0)
      take=NormalizeDouble(TakeProfit*(Losses()+1),2);
   return(take);
  }
//+------------------------------------------------------------------+
//| Тип последней сделки                                             |
//+------------------------------------------------------------------+
int LastDealType()
  {
   int type=8;

   if(OrderSelect(OrdersHistoryTotal()-1,SELECT_BY_POS,MODE_HISTORY))
     {
      if(OrderSymbol()==Symbol() && OrderMagicNumber()==Magic)
        {
         if(OrderType()==0)
           {
            type=0;//buy
           }
         if(OrderType()==1)
           {
            type=1;
           }
        }
     }
   return(type);
  }
//+------------------------------------------------------------------+
//| Expert tick function                                             |
//+------------------------------------------------------------------+
void OnTick()
  {
   if(Losses()>0 && CountTrades()<1)
     {
      if(LastDealType()==1)
         PutOrder(0,Ask);
      if(LastDealType()==0)
         PutOrder(1,Bid);
     }

   if(ObjectGetInteger(0,"B",OBJPROP_STATE)==1)
     {
      PutOrder(0,Ask);
      ObjectSetInteger(0,"B",OBJPROP_STATE,false);
     }

   if(ObjectGetInteger(0,"S",OBJPROP_STATE)==1)
     {
      PutOrder(1,Bid);
      ObjectSetInteger(0,"S",OBJPROP_STATE,false);
     }

   if(ObjectGetInteger(0,"C",OBJPROP_STATE)==1)
     {
      CloseAll();
      ObjectSetInteger(0,"C",OBJPROP_STATE,false);
     }

   Comment("\n Losses: ",Losses(),
           "\n Take: ",Take());
  }
//+------------------------------------------------------------------+