//+------------------------------------------------------------------+
//|                                                   Puaria-m15.mq4 |
//|                                      Copyright © 2011, Serg Deev |
//|                                            http://www.work2it.ru |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2011, Serg Deev"
#property link      "http://www.work2it.ru"

#define MAGICMA  20050610

extern string Trades             = "Настройки торговых операций";
extern double MaxRisk            = 0.2;
extern double Lots               = 0.1;
extern int TakeProfit            = 150;
extern int MinProfit             = 100; // минимальный профит
extern double MinProfitPercent   = 0.5; // процент взятия при минимальном профите
extern int ProfitStep            = 75; // шаг профита
extern double ProfitPercent      = 0.1; // процент профита больше минимального
extern int TrailingStop          = 90;
extern int StopLost              = 80;

extern bool UseAllTicks          = true;

extern int ma0_period            = 69;
int ma0_shift                    = 0;
int ma0_method                   = 3; // 0-MODE_SMA; 1-MODE_EMA; 2-MODE_SMMA; 3-MODE_LWMA;
int ma0_price                    = 3; // 0-PRICE_CLOSE, 1-PRICE_OPEN, 2-PRICE_HIGH, 3-PRICE_LOW, 4-PRICE_MEDIAN, 5-PRICE_TYPICAL, 6-PRICE_WEIGHTED

extern int ma1_period            = 74;
int ma1_shift                    = 0;
int ma1_method                   = 3; // 0-MODE_SMA; 1-MODE_EMA; 2-MODE_SMMA; 3-MODE_LWMA;
int ma1_price                    = 3; // 0-PRICE_CLOSE, 1-PRICE_OPEN, 2-PRICE_HIGH, 3-PRICE_LOW, 4-PRICE_MEDIAN, 5-PRICE_TYPICAL, 6-PRICE_WEIGHTED

extern int ma2_period            = 19;
int ma2_shift                    = 0;
int ma2_method                   = 1; // 0-MODE_SMA; 1-MODE_EMA; 2-MODE_SMMA; 3-MODE_LWMA;
int ma2_price                    = 1; // 0-PRICE_CLOSE, 1-PRICE_OPEN, 2-PRICE_HIGH, 3-PRICE_LOW, 4-PRICE_MEDIAN, 5-PRICE_TYPICAL, 6-PRICE_WEIGHTED

extern int macd_fast             = 17;
extern int macd_slow             = 38;
int macd_signal                  = 1;
int macd_price                   = 1; // 0-PRICE_CLOSE, 1-PRICE_OPEN, 2-PRICE_HIGH, 3-PRICE_LOW, 4-PRICE_MEDIAN, 5-PRICE_TYPICAL, 6-PRICE_WEIGHTED
extern int macd_open             = 8;

double NextProfit = 0;
double StartLots = 0;

double MinLot;
double MaxLot;

//+------------------------------------------------------------------+
int init() {
 MinLot = MarketInfo(Symbol(),MODE_MINLOT);
 MaxLot = MarketInfo(Symbol(),MODE_MAXLOT);
 return(0);
}
//+------------------------------------------------------------------+
int deinit() {
   return(0);
}

//+------------------------------------------------------------------+
double Get_Lots() {
   double lot=Lots;
   if (MaxRisk > 0) {
    double RiskSumm = AccountFreeMargin()*MaxRisk;
    lot=RiskSumm/StopLost/100;
   }
   lot=MathFloor(lot*100)/100;
   if (lot > MaxLot) lot = MaxLot;
   if (lot < MinLot) lot = MinLot;
   return(lot);
  }

//+------------------------------------------------------------------+
bool Signal_Stop_Buy() {
 double ma0 = iMA(NULL,0,ma0_period,ma0_shift,ma0_method,ma0_price,0);
 double ma1 = iMA(NULL,0,ma1_period,ma1_shift,ma1_method,ma1_price,0);
 double ma2 = iMA(NULL,0,ma2_period,ma2_shift,ma2_method,ma2_price,0);
 if (ma0 > ma2) return(true);
 return(false);
}

//+------------------------------------------------------------------+
bool Signal_Stop_Sell() {
 double ma0 = iMA(NULL,0,ma0_period,ma0_shift,ma0_method,ma0_price,0);
 double ma1 = iMA(NULL,0,ma1_period,ma1_shift,ma1_method,ma1_price,0);
 double ma2 = iMA(NULL,0,ma2_period,ma2_shift,ma2_method,ma2_price,0);
 if (ma0 < ma2) return(true);
 return(false);
}

//+------------------------------------------------------------------+
bool macd_up(int timeframe, int fast, int slow, int signal, int price, int num) {
 double y;
 double x = iMACD(NULL,timeframe,fast,slow,signal,price,MODE_MAIN,0)*100000;
 for (int i=1; i<num; i++) {
  y = iMACD(NULL,timeframe,fast,slow,signal,price,MODE_MAIN,i)*100000;
  if (y > x) return(false);
  else x = y;
 }
 return(true);
}

//+------------------------------------------------------------------+
bool macd_down(int timeframe, int fast, int slow, int signal, int price, int num) {
 double y;
 double x = iMACD(NULL,timeframe,fast,slow,signal,price,MODE_MAIN,0)*100000;
 for (int i=1; i<num; i++) {
  y = iMACD(NULL,timeframe,fast,slow,signal,price,MODE_MAIN,i)*100000;
  if (y < x) return(false);
  else x = y;
 }
 return(true);
}

//+------------------------------------------------------------------+
bool Signal_Buy() {
 double ma0 = iMA(NULL,0,ma0_period,ma0_shift,ma0_method,ma0_price,0);
 double ma1 = iMA(NULL,0,ma1_period,ma1_shift,ma1_method,ma1_price,0);
 double ma2 = iMA(NULL,0,ma2_period,ma2_shift,ma2_method,ma2_price,0);
 double macd = iMACD(NULL,0,macd_fast,macd_slow,macd_signal,macd_price,MODE_MAIN,0);
 
 if (((ma1-ma0)/Point > 0.5) && ((ma2-ma0)/Point > 0.5)) {
  if (macd > 0) {
   if (macd_up(0,macd_fast,macd_slow,macd_signal,macd_price,macd_open)) return(true);
  }
 }
 return(false);
}

//+------------------------------------------------------------------+
bool Signal_Sell() {
 double ma0 = iMA(NULL,0,ma0_period,ma0_shift,ma0_method,ma0_price,0);
 double ma1 = iMA(NULL,0,ma1_period,ma1_shift,ma1_method,ma1_price,0);
 double ma2 = iMA(NULL,0,ma2_period,ma2_shift,ma2_method,ma2_price,0);
 double macd = iMACD(NULL,0,macd_fast,macd_slow,macd_signal,macd_price,MODE_MAIN,0);
 
 if (((ma0-ma1)/Point > 0.5) && ((ma0-ma2)/Point > 0.5)) {
  if (macd < 0) {
   if (macd_down(0,macd_fast,macd_slow,macd_signal,macd_price,macd_open)) return(true);
  } 
 }
 return(false);
}

//+------------------------------------------------------------------+
void CheckForOpen() {
   int res;

 if ((!UseAllTicks) && (Volume[0]>1)) return;

   if (Signal_Sell()) {
      StartLots = Get_Lots();
      NextProfit = Bid - MinProfit*Point;
      res=OrderSend(Symbol(),OP_SELL,StartLots,Ask,3,0,0,"",MAGICMA,0,Red);
      return;
   }

   if (Signal_Buy()) {
      StartLots = Get_Lots();
      NextProfit = Ask + MinProfit*Point;
      res=OrderSend(Symbol(),OP_BUY,StartLots,Bid,3,0,0,"",MAGICMA,0,Blue);
      return;
   }
}
//+------------------------------------------------------------------+
void CheckForClose()
  {
   double SL,TP,lx;
   int profit;

 if ((!UseAllTicks) && (Volume[0]>1)) return;

   for(int i=0;i<OrdersTotal();i++) {
      if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES)==false) break;
      if(OrderMagicNumber()!=MAGICMA || OrderSymbol()!=Symbol()) continue;
      //---- check order type 
      if(OrderType()==OP_BUY) {
         if (Signal_Stop_Buy()) OrderClose(OrderTicket(),OrderLots(),Bid,3,White);
         else if (OrderStopLoss() == 0.0) {
          SL = Bid - StopLost*Point;
          TP = Ask + TakeProfit*Point;
          OrderModify(OrderTicket(),OrderOpenPrice(),SL,TP,0,Blue);
         }
         else {
          if (Bid > NextProfit) {
           if (Bid < (OrderOpenPrice()+(MinProfit+ProfitStep/2)*Point)) lx = NormalizeDouble(StartLots*MinProfitPercent,2);
           else lx = NormalizeDouble(StartLots*ProfitPercent,2);
           OrderClose(OrderTicket(),lx,Bid,3,White);
           NextProfit = Bid + ProfitStep*Point;
          }
          else if (NextProfit > (OrderOpenPrice()+MinProfit*Point)) {
           SL = NormalizeDouble((Bid - TrailingStop*Point),Digits);
           TP = NormalizeDouble((Ask + TakeProfit*Point),Digits);
           if (OrderStopLoss() < SL) OrderModify(OrderTicket(),OrderOpenPrice(),SL,TP,0,Blue);
          }
         }
         break;
      }
      if(OrderType()==OP_SELL) {
         if (Signal_Stop_Sell()) OrderClose(OrderTicket(),OrderLots(),Ask,3,White);
         else if (OrderStopLoss() == 0.0) {
          SL = Bid + StopLost*Point;
          TP = Ask - TakeProfit*Point;
          OrderModify(OrderTicket(),OrderOpenPrice(),SL,TP,0,Blue);
         }
         else {
          if (Ask < NextProfit) {
           if (Ask > (OrderOpenPrice()-(MinProfit+ProfitStep/2)*Point)) lx = NormalizeDouble(StartLots*MinProfitPercent,2);
           else lx = NormalizeDouble(StartLots*ProfitPercent,2);
           OrderClose(OrderTicket(),lx,Ask,3,White);
           NextProfit = Bid - ProfitStep*Point;
          }
          else if (NextProfit < (OrderOpenPrice()-MinProfit*Point)) {
           SL = NormalizeDouble(Ask + TrailingStop*Point,Digits);
           TP = NormalizeDouble(Bid - TakeProfit*Point,Digits);
           if (OrderStopLoss() > SL) OrderModify(OrderTicket(),OrderOpenPrice(),SL,TP,0,Blue);
          }
         }
         break;
      }
   }
}

//+------------------------------------------------------------------+
int CalculateCurrentOrders(string symbol)
  {
   int buys=0,sells=0;
   for(int i=0;i<OrdersTotal();i++)
     {
      if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES)==false) break;
      if(OrderSymbol()==Symbol() && OrderMagicNumber()==MAGICMA)
        {
         if(OrderType()==OP_BUY)  buys++;
         if(OrderType()==OP_SELL) sells++;
        }
     }
   if(buys>0) return(buys);
   else       return(-sells);
  }

//+------------------------------------------------------------------+
void start()
  {
   if(Bars<100 || IsTradeAllowed()==false) return;
   if(CalculateCurrentOrders(Symbol())==0) CheckForOpen();
   else CheckForClose();
  }
//+------------------------------------------------------------------+