//+------------------------------------------------------------------+
//|                                                ea_ADX_2MA_system |
//|                                               Yuriy Tokman (YTG) |
//|                                               http://ytg.com.ua/ |
//+------------------------------------------------------------------+
#property copyright "Yuriy Tokman (YTG)"
#property link      "http://ytg.com.ua/"
#property version   "1.00"
#property description "yuriytokman@gmail.com"
#property description " "
#property description "http://ytg.com.ua/"
#property strict

extern double TakeProfit = 70;
extern double Sl = 20;
extern double Lots = 0.1;
extern double n = 0.1;

extern bool   UseSound      = True;         
// Использовать звуковой сигнал
extern string NameFileSound = "expert.wav"; 
// Наименование звукового файла
extern bool   MarketWatch   = True;         
// Запросы под исполнение "Market Watch".
extern int    Slippage      = 3;            
// Проскальзывание цены
extern int    NumberOfTry   = 5;            
// Количество торговых попыток

color clOpenBuy             = clrLightBlue;   // Цвет значка открытия покупки
color clOpenSell            = clrLightCoral;  // Цвет значка открытия продажи
bool  gbDisabled            = False;       // Флаг блокировки советника 
#include <stdlib.mqh>        // Стандартная библиотека МТ4            
//+------------------------------------------------------------------+
int start()
 {
  int total;
  double x1=iMA(NULL,0,5,0,MODE_EMA,PRICE_CLOSE,1);
  double x2=iMA(NULL,0,12,0,MODE_EMA,PRICE_CLOSE,1);
  double x3=MathAbs(x1-x2);
  double x4=iADX(NULL,1,6,0,MODE_PLUSDI,0);
  double x5=iADX(NULL,1,6,0,MODE_MINUSDI,0);
  double x6=iADX(NULL,1,6,0,MODE_PLUSDI,1);
  double x7=iADX(NULL,1,6,0,MODE_MINUSDI,1);
  double x8=iADX(NULL,60,6,0,MODE_PLUSDI,0);
  double x9=iADX(NULL,60,6,0,MODE_MINUSDI,0);
     
  total=OrdersTotal();
  if(total<1)//проверка количества ордеров 
   {
   if(AccountFreeMargin()<(1000*Lots))
    {
     Print("Недостаточно средств = ", AccountFreeMargin());
     return(0);  
    }
  if (x1<x2 && x3>n*GetPoint() && x6<5 && x4>10 && x8>x9 )
  OpenPosition(Symbol(),OP_BUY,Lots,Bid-Sl*GetPoint(),Ask+TakeProfit*GetPoint());
  if (x1>x2 && x3>n*GetPoint() && x7<5 && x5>10 && x8<x9 )
  OpenPosition(Symbol(),OP_SELL,Lots,Ask+Sl*GetPoint(),Bid-TakeProfit*GetPoint()); 
  }
  return(0);
 }
//----
//+----------------------------------------------------------------------------+
bool ExistPositions(string sy="", int op=-1, int mn=-1, datetime ot=0) {
  int i, k=OrdersTotal();

  if (sy=="0") sy=Symbol();
  for (i=0; i<k; i++) {
    if (OrderSelect(i, SELECT_BY_POS, MODE_TRADES)) {
      if (OrderSymbol()==sy || sy=="") {
        if (OrderType()==OP_BUY || OrderType()==OP_SELL) {
          if (op<0 || OrderType()==op) {
            if (mn<0 || OrderMagicNumber()==mn) {
              if (ot<=OrderOpenTime()) return(True);
            }
          }
        }
      }
    }
  }
  return(False);
}
//+----------------------------------------------------------------------------+
string GetNameOP(int op) {
  switch (op) {
    case OP_BUY      : return("Buy");
    case OP_SELL     : return("Sell");
    case OP_BUYLIMIT : return("Buy Limit");
    case OP_SELLLIMIT: return("Sell Limit");
    case OP_BUYSTOP  : return("Buy Stop");
    case OP_SELLSTOP : return("Sell Stop");
    default          : return("Unknown Operation");
  }
}
//+----------------------------------------------------------------------------+
string GetNameTF(int TimeFrame=0) {
  if (TimeFrame==0) TimeFrame=Period();
  switch (TimeFrame) {
    case PERIOD_M1:  return("M1");
    case PERIOD_M5:  return("M5");
    case PERIOD_M15: return("M15");
    case PERIOD_M30: return("M30");
    case PERIOD_H1:  return("H1");
    case PERIOD_H4:  return("H4");
    case PERIOD_D1:  return("Daily");
    case PERIOD_W1:  return("Weekly");
    case PERIOD_MN1: return("Monthly");
    default:         return("UnknownPeriod");
  }
}
//+----------------------------------------------------------------------------+
void Message(string m) {
  Comment(m);
  if (StringLen(m)>0) Print(m);
}
//+----------------------------------------------------------------------------+
void ModifyOrder(double pp=-1, double sl=0, double tp=0, datetime ex=0) {
  bool   fm;
  color  cl=clrAliceBlue;;
  double op, pa, pb, os, ot;
  int    dg=(int)MarketInfo(OrderSymbol(), MODE_DIGITS), er, it;

  if (pp<=0) pp=OrderOpenPrice();
  if (sl<0 ) sl=OrderStopLoss();
  if (tp<0 ) tp=OrderTakeProfit();
  
  pp=NormalizeDouble(pp, dg);
  sl=NormalizeDouble(sl, dg);
  tp=NormalizeDouble(tp, dg);
  op=NormalizeDouble(OrderOpenPrice() , dg);
  os=NormalizeDouble(OrderStopLoss()  , dg);
  ot=NormalizeDouble(OrderTakeProfit(), dg);

  if (pp!=op || sl!=os || tp!=ot) {
    for (it=1; it<=NumberOfTry; it++) {
      if (!IsTesting() && (!IsExpertEnabled() || IsStopped())) break;
      while (!IsTradeAllowed()) Sleep(5000);
      RefreshRates();
      fm=OrderModify(OrderTicket(), pp, sl, tp, ex, cl);
      if (fm) {
        if (UseSound) PlaySound(NameFileSound); break;
      } else {
        er=GetLastError();
        pa=MarketInfo(OrderSymbol(), MODE_ASK);
        pb=MarketInfo(OrderSymbol(), MODE_BID);
        Print("Error(",er,") modifying order: ",ErrorDescription(er),", try ",it);
        Print("Ask=",pa,"  Bid=",pb,"  sy=",OrderSymbol(),
              "  op="+GetNameOP(OrderType()),"  pp=",pp,"  sl=",sl,"  tp=",tp);
        Sleep(1000*10);
      }
    }
  }
}
//+----------------------------------------------------------------------------+
void OpenPosition(string sy, int op, double ll, double sl=0, double tp=0, int mn=0) {
  color    clOpen;
  datetime ot;
  double   pp, pa, pb;
  int      dg, err, it, ticket=0;
  string   lsComm=WindowExpertName()+" "+GetNameTF(Period());

  if (sy=="" || sy=="0") sy=Symbol();
  if (op==OP_BUY) clOpen=clOpenBuy; else clOpen=clOpenSell;
  for (it=1; it<=NumberOfTry; it++) {
    if (!IsTesting() && (!IsExpertEnabled() || IsStopped())) {
      Print("OpenPosition(): Остановка работы функции");
      break;
    }
    while (!IsTradeAllowed()) Sleep(5000);
    RefreshRates();
    dg=(int)MarketInfo(sy, MODE_DIGITS);
    pa=MarketInfo(sy, MODE_ASK);
    pb=MarketInfo(sy, MODE_BID);
    if (op==OP_BUY) pp=pa; else pp=pb;
    pp=NormalizeDouble(pp, dg);
    ot=TimeCurrent();
    if (MarketWatch)
      ticket=OrderSend(sy, op, ll, pp, Slippage, 0, 0, lsComm, mn, 0, clOpen);
    else
      ticket=OrderSend(sy, op, ll, pp, Slippage, sl, tp, lsComm, mn, 0, clOpen);
    if (ticket>0) {
      if (UseSound) PlaySound(NameFileSound); break;
    } else {
      err=GetLastError();
      if (pa==0 && pb==0) Message("Проверьте в Обзоре рынка наличие символа "+sy);
      // Вывод сообщения об ошибке
      Print("Error(",err,") opening position: ",ErrorDescription(err),", try ",it);
      Print("Ask=",pa," Bid=",pb," sy=",sy," ll=",ll," op=",GetNameOP(op),
            " pp=",pp," sl=",sl," tp=",tp," mn=",mn);
      // Блокировка работы советника
      if (err==2 || err==64 || err==65 || err==133) {
        gbDisabled=True; break;
      }
      // Длительная пауза
      if (err==4 || err==131 || err==132) {
        Sleep(1000*300); break;
      }
      if (err==128 || err==142 || err==143) {
        Sleep(1000*66.666);
        if (ExistPositions(sy, op, mn, ot)) {
          if (UseSound) PlaySound(NameFileSound); break;
        }
      }
      if (err==140 || err==148 || err==4110 || err==4111) break;
      if (err==141) Sleep(1000*100);
      if (err==145) Sleep(1000*17);
      if (err==146) while (IsTradeContextBusy()) Sleep(1000*11);
      if (err!=135) Sleep(1000*7.7);
    }
  }
  if (MarketWatch && ticket>0 && (sl>0 || tp>0)) {
    if (OrderSelect(ticket, SELECT_BY_TICKET)) ModifyOrder(-1, sl, tp);
  }
}
//+----------------------------------------------------------------------------+
double GetPoint()
{
 int vres = StringFind(Symbol(),"JPY");
 if (vres == -1) return(0.0001);
 return(0.01);
}
//----