//+------------------------------------------------------------------+
//|              Institutional Hybrid EA v1.0                        |
//|                     PART 1 - FOUNDATION                          |
//+------------------------------------------------------------------+
#property strict

#include <Trade/Trade.mqh>

CTrade trade;

//+------------------------------------------------------------------+
//| INPUT PARAMETERS                                                 |
//+------------------------------------------------------------------+

input long MagicNumber = 20260601;

// Risk Management
input double RiskPercent = 1.0;
input double MaxDailyDrawdown = 5.0;
input int MaxConsecutiveLosses = 3;

// Fixed Lot Mode
input bool UseFixedLot = true;
input double FixedLotSize = 0.01;

// Trade Management
input int MaxOpenTrades = 5;
input int TradeCooldownMinutes = 2;

// Break Even Settings
input double BreakEvenTriggerR = 1.0;
input double BreakEvenBufferPoints = 50;

// Spread Filter 
int MaxSpread = 300;

// ATR Settings
input int ATR_Period = 14;
double ATR_SL_Multiplier = 1.2;
double ATR_TP_Multiplier = 2.5;
input double ATR_Trail_Multiplier = 1.0;

// EMA Settings
input int FastEMA = 5;
input int SlowEMA = 20;

// RSI Settings
input int RSI_Period = 14;
input double RSI_Buy_Level = 50;
input double RSI_Sell_Level = 50;

// ADX Settings
input int ADX_Period = 14;
input double MinADX = 15.0;

// Session Filter
input bool TradeLondonSession = true;
input bool TradeNewYorkSession = true;



//+------------------------------------------------------------------+
//| GLOBAL VARIABLES                                                 |
//+------------------------------------------------------------------+

datetime LastTradeTime = 0;

datetime LastResetDay = 0;

datetime LastM15Bar = 0;

double DayStartBalance = 0.0;

int ConsecutiveLosses = 0;

bool TradingEnabled = true;

// Prevent duplicate entries on the same signal
bool BuySignalTriggered = false;
bool SellSignalTriggered = false;

//+------------------------------------------------------------------+
//| INITIALIZATION                                                   |
//+------------------------------------------------------------------+

int OnInit()
{
   // XAUUSD Optimization
   if(XAUUSD_Mode)
   {
      ATR_SL_Multiplier = 1.5;
      ATR_TP_Multiplier = 3.0;
      MaxSpread = 500;
   }

   // Trade Setup
   trade.SetExpertMagicNumber(MagicNumber);

   trade.SetDeviationInPoints(50);

   // Account Information
   DayStartBalance =
      AccountInfoDouble(
         ACCOUNT_BALANCE
      );

   Print(
      "Min Lot = ",
      SymbolInfoDouble(
         _Symbol,
         SYMBOL_VOLUME_MIN
      )
   );

   Print(
      "Leverage = ",
      AccountInfoInteger(
         ACCOUNT_LEVERAGE
      )
   );

   LastResetDay =
      TimeCurrent();

   TradingEnabled = true;

   Print(
      "Institutional Hybrid EA v1.0 Started"
   );

   return(INIT_SUCCEEDED);
}
//+------------------------------------------------------------------+
//| DEINITIALIZATION                                                 |
//+------------------------------------------------------------------+

void OnDeinit(const int reason)
{
   Print("EA Shutdown");
}

//+------------------------------------------------------------------+
//| SPREAD FILTER                                                    |
//+------------------------------------------------------------------+

bool CheckSpread()
{
long spread =
   SymbolInfoInteger(
      _Symbol,
      SYMBOL_SPREAD
   );

   if(spread > MaxSpread)
      return false;

   return true;
}

//+------------------------------------------------------------------+
//| SESSION FILTER                                                   |
//+------------------------------------------------------------------+

bool IsTradingSession()
{
   return true;

   MqlDateTime tm;

   TimeToStruct(TimeCurrent(), tm);

   int hour = tm.hour;

   bool london =
      (hour >= 8 && hour <= 17);

   bool newyork =
      (hour >= 13 && hour <= 22);

   if(TradeLondonSession && london)
      return true;

   if(TradeNewYorkSession && newyork)
      return true;

   return false;
}

//+------------------------------------------------------------------+
//| DAILY DRAWDOWN PROTECTION                                        |
//+------------------------------------------------------------------+

bool CheckDailyDrawdown()
{
   double equity =
      AccountInfoDouble(
         ACCOUNT_EQUITY
      );

   double drawdown =
      ((DayStartBalance - equity)
      /
      DayStartBalance) * 100.0;

   if(drawdown >= MaxDailyDrawdown)
   {
      TradingEnabled = false;

      Print(
         "Maximum Daily Drawdown Hit"
      );

      return false;
   }

   return true;
}

//+------------------------------------------------------------------+
//| COOLDOWN CHECK                                                   |
//+------------------------------------------------------------------+

bool CooldownPassed()
{
   if(LastTradeTime == 0)
      return true;

   int secondsPassed =
      (int)(TimeCurrent()
      - LastTradeTime);

   return
      secondsPassed >=
      TradeCooldownMinutes * 60;
}

//+------------------------------------------------------------------+
//| NEW M15 BAR DETECTION                                            |
//+------------------------------------------------------------------+

bool NewM15Bar()
{
   datetime currentBar =
      iTime(
         _Symbol,
         PERIOD_M15,
         0
      );

   if(currentBar != LastM15Bar)
   {
      LastM15Bar = currentBar;

      return true;
   }

   return false;
}

//+------------------------------------------------------------------+
//| ATR VALUE                                                        |
//+------------------------------------------------------------------+

double GetATR(
   ENUM_TIMEFRAMES tf
)
{
   // Create ATR Handle
   int handle =
      iATR(
         _Symbol,
         tf,
         ATR_Period
      );

   // Validate Handle
   if(handle == INVALID_HANDLE)
   {
      Print("ATR Handle Creation Failed");

      return 0;
   }

   // ATR Buffer
   double buffer[];

   // Copy ATR Data
   if(CopyBuffer(
         handle,
         0,
         0,
         1,
         buffer) < 1)
   {
      Print("ATR Buffer Failed");

      IndicatorRelease(handle);

      return 0;
   }

   // Release Indicator Handle
   IndicatorRelease(handle);

   // Return ATR Value
   return buffer[0];
}

//+------------------------------------------------------------------+
//| EMA VALUE                                                        |
//+------------------------------------------------------------------+

double GetEMA(
   ENUM_TIMEFRAMES tf,
   int period
)
{
   int handle =
      iMA(
         _Symbol,
         tf,
         period,
         0,
         MODE_EMA,
         PRICE_CLOSE
      );

   if(handle == INVALID_HANDLE)
      return 0;

   double buffer[];

   if(CopyBuffer(
         handle,
         0,
         0,
         1,
         buffer) < 1)
   {
      IndicatorRelease(handle);
      return 0;
   }

   IndicatorRelease(handle);

   return buffer[0];
}

//+------------------------------------------------------------------+
//| RSI VALUE                                                        |
//+------------------------------------------------------------------+

double GetRSI(
   ENUM_TIMEFRAMES tf
)
{
   int handle =
      iRSI(
         _Symbol,
         tf,
         RSI_Period,
         PRICE_CLOSE
      );

   if(handle == INVALID_HANDLE)
      return 0;

   double buffer[];

   if(CopyBuffer(
         handle,
         0,
         0,
         1,
         buffer) < 1)
   {
      IndicatorRelease(handle);
      return 0;
   }

   IndicatorRelease(handle);

   return buffer[0];
}

//+------------------------------------------------------------------+
//| ADX VALUE                                                        |
//+------------------------------------------------------------------+

double GetADX(
   ENUM_TIMEFRAMES tf
)
{
   int handle =
      iADX(
         _Symbol,
         tf,
         ADX_Period
      );

   if(handle == INVALID_HANDLE)
      return 0;

   double buffer[];

   if(CopyBuffer(
         handle,
         0,
         0,
         1,
         buffer) < 1)
   {
      IndicatorRelease(handle);
      return 0;
   }

   IndicatorRelease(handle);

   return buffer[0];
}

// Liquidity Detection

input int LiquidityLookback = 20;
input double LiquidityTolerancePoints = 100;

//+------------------------------------------------------------------+
//| TREND STRENGTH                                                   |
//+------------------------------------------------------------------+

bool StrongTrend()
{
   return GetADX(PERIOD_H1) > MinADX;
}

//+------------------------------------------------------------------+
//| DYNAMIC LOT CALCULATION                                          |
//+------------------------------------------------------------------+

double CalculateLotSize(double stopLossDistance)
{
   double balance =
      AccountInfoDouble(
         ACCOUNT_BALANCE
      );

   double riskAmount =
      balance * (RiskPercent / 100.0);

   double tickValue =
      SymbolInfoDouble(
         _Symbol,
         SYMBOL_TRADE_TICK_VALUE
      );

   if(tickValue <= 0 || stopLossDistance <= 0)
      return 0.01;

  double lot = 0.01;
  

   // Safety limits
   double minLot =
      SymbolInfoDouble(
         _Symbol,
         SYMBOL_VOLUME_MIN
      );

   double maxLot =
      SymbolInfoDouble(
         _Symbol,
         SYMBOL_VOLUME_MAX
      );

   double lotStep =
      SymbolInfoDouble(
         _Symbol,
         SYMBOL_VOLUME_STEP
      );

   // HARD CAP
   if(lot > 1.0)
      lot = 1.0;

   lot =
      MathMax(minLot,
      MathMin(maxLot, lot));

   lot =
      NormalizeDouble(
         MathFloor(lot / lotStep)
         * lotStep,
         2
      );

   return lot;
}
//+------------------------------------------------------------------+
//| POSITION COUNT                                                   |
//+------------------------------------------------------------------+

int CountOpenPositions()
{
   int count = 0;

   for(int i=0;
       i<PositionsTotal();
       i++)
   {
      ulong ticket =
         PositionGetTicket(i);

      if(ticket <= 0)
         continue;

      if(PositionSelectByTicket(ticket))
      {
         if(PositionGetInteger(
               POSITION_MAGIC)
            == MagicNumber)
         {
            count++;
         }
      }
   }

   return count;
}
//+------------------------------------------------------------------+
//| H4 MARKET BIAS                                                   |
//+------------------------------------------------------------------+

bool H4BullishBias()
{
   double ema50 =
      GetEMA(PERIOD_H4,50);

   double ema200 =
      GetEMA(PERIOD_H4,200);

   return ema50 > ema200;
}

bool H4BearishBias()
{
   double ema50 =
      GetEMA(PERIOD_H4,50);

   double ema200 =
      GetEMA(PERIOD_H4,200);

   return ema50 < ema200;
}

//+------------------------------------------------------------------+
//| H1 CONFIRMATION                                                  |
//+------------------------------------------------------------------+

bool H1BullishConfirmation()
{
   double ema50 =
      GetEMA(PERIOD_H1,50);

   double ema200 =
      GetEMA(PERIOD_H1,200);

   return ema50 > ema200;
}

bool H1BearishConfirmation()
{
   double ema50 =
      GetEMA(PERIOD_H1,50);

   double ema200 =
      GetEMA(PERIOD_H1,200);

   return ema50 < ema200;
}

//+------------------------------------------------------------------+
//| PRICE LOCATION FILTER                                            |
//+------------------------------------------------------------------+

bool PriceAboveH1EMA()
{
   double ema =
      GetEMA(PERIOD_H1,50);

   double bid =
      SymbolInfoDouble(
         _Symbol,
         SYMBOL_BID
      );

   return bid > ema;
}

bool PriceBelowH1EMA()
{
   double ema =
      GetEMA(PERIOD_H1,50);

   double bid =
      SymbolInfoDouble(
         _Symbol,
         SYMBOL_BID
      );

   return bid < ema;
}

//+------------------------------------------------------------------+
//| M15 MOMENTUM FILTERS                                             |
//+------------------------------------------------------------------+

bool M15BullishMomentum()
{
   double fastEMA =
      GetEMA(
         PERIOD_M15,
         FastEMA
      );

   double slowEMA =
      GetEMA(
         PERIOD_M15,
         SlowEMA
      );

   double rsi =
      GetRSI(
         PERIOD_M15
      );

   double adx =
      GetADX(
         PERIOD_M15
      );

   return
      fastEMA > slowEMA &&
      rsi > RSI_Buy_Level &&
      adx > MinADX;
}

bool M15BearishMomentum()
{
   double fastEMA =
      GetEMA(
         PERIOD_M15,
         FastEMA
      );

   double slowEMA =
      GetEMA(
         PERIOD_M15,
         SlowEMA
      );

   double rsi =
      GetRSI(
         PERIOD_M15
      );

   double adx =
      GetADX(
         PERIOD_M15
      );

   return
      fastEMA < slowEMA &&
      rsi < RSI_Sell_Level &&
      adx > MinADX;
}

//+------------------------------------------------------------------+
//| PULLBACK BUY                                                     |
//+------------------------------------------------------------------+

bool PullbackBuy()
{
   double ema20 =
      GetEMA(PERIOD_M15,20);

   double close =
      iClose(_Symbol,PERIOD_M15,1);

   double atr =
      GetATR(PERIOD_M15);

   return
      MathAbs(close - ema20)
      <= atr * 0.5;
}

//+------------------------------------------------------------------+
//| PULLBACK SELL                                                    |
//+------------------------------------------------------------------+

bool PullbackSell()
{
   double ema20 =
      GetEMA(PERIOD_M15,20);

   double close =
      iClose(_Symbol,PERIOD_M15,1);

   double atr =
      GetATR(PERIOD_M15);

   return
      MathAbs(close - ema20)
      <= atr * 0.5;
}

//+------------------------------------------------------------------+
//| BUY SIGNAL                                                       |
//+------------------------------------------------------------------+

bool BuySignal()
{
   return
      H4BullishBias() &&
      H1BullishConfirmation() &&
      PullbackBuy() &&
      M15BullishMomentum();
}

//+------------------------------------------------------------------+
//| SELL SIGNAL                                                      |
//+------------------------------------------------------------------+

bool SellSignal()
{
   return
      H4BearishBias() &&
      H1BearishConfirmation() &&
      PullbackSell() &&
      M15BearishMomentum();
}
//+------------------------------------------------------------------+
//| SIGNAL ENUM                                                      |
//+------------------------------------------------------------------+

enum TradeSignal
{
   SIGNAL_NONE,
   SIGNAL_BUY,
   SIGNAL_SELL
};

//+------------------------------------------------------------------+
//| GET SIGNAL                                                       |
//+------------------------------------------------------------------+

TradeSignal GetSignal()
{
   if(BuySignal())
      return SIGNAL_BUY;

   if(SellSignal())
      return SIGNAL_SELL;

   return SIGNAL_NONE;
}

//+------------------------------------------------------------------+
//| EQUAL HIGHS DETECTION                                            |
//+------------------------------------------------------------------+

bool EqualHighs()
{
   double point =
      SymbolInfoDouble(
         _Symbol,
         SYMBOL_POINT
      );

   double tolerance =
      LiquidityTolerancePoints * point;

   for(int i=2; i<=LiquidityLookback; i++)
   {
      double high1 =
         iHigh(
            _Symbol,
            PERIOD_M15,
            i
         );

      double high2 =
         iHigh(
            _Symbol,
            PERIOD_M15,
            i+1
         );

      if(MathAbs(high1-high2) <= tolerance)
      {
         return true;
      }
   }

   return false;
}

//+------------------------------------------------------------------+
//| EQUAL LOWS DETECTION                                             |
//+------------------------------------------------------------------+

bool EqualLows()
{
   double point =
      SymbolInfoDouble(
         _Symbol,
         SYMBOL_POINT
      );

   double tolerance =
      LiquidityTolerancePoints * point;

   for(int i=2; i<=LiquidityLookback; i++)
   {
      double low1 =
         iLow(
            _Symbol,
            PERIOD_M15,
            i
         );

      double low2 =
         iLow(
            _Symbol,
            PERIOD_M15,
            i+1
         );

      if(MathAbs(low1-low2) <= tolerance)
      {
         return true;
      }
   }

   return false;
}

//+------------------------------------------------------------------+
//| BULLISH LIQUIDITY SWEEP                                          |
//+------------------------------------------------------------------+

bool LiquiditySweepBuy()
{
   double prevLow =
      iLow(_Symbol, PERIOD_M15, 2);

   double currentLow =
      iLow(_Symbol, PERIOD_M15, 1);

   double currentClose =
      iClose(_Symbol, PERIOD_M15, 1);

   return currentLow < prevLow &&
          currentClose > prevLow;
}

//+------------------------------------------------------------------+
//| BEARISH LIQUIDITY SWEEP                                          |
//+------------------------------------------------------------------+

bool LiquiditySweepSell()
{
   double prevHigh =
      iHigh(_Symbol, PERIOD_M15, 2);

   double currentHigh =
      iHigh(_Symbol, PERIOD_M15, 1);

   double currentClose =
      iClose(_Symbol, PERIOD_M15, 1);

   return currentHigh > prevHigh &&
          currentClose < prevHigh;
}

//+------------------------------------------------------------------+
//| MARKET STRUCTURE (BOS + CHOCH)                                   |
//+------------------------------------------------------------------+

input int StructureLookback = 5;

bool IsSwingHigh(int shift)
{
   double center =
      iHigh(_Symbol, PERIOD_M15, shift);

   for(int i=1; i<=SwingStrength; i++)
   {
      if(center <= iHigh(_Symbol, PERIOD_M15, shift-i))
         return false;

      if(center <= iHigh(_Symbol, PERIOD_M15, shift+i))
         return false;
   }

   return true;
}

bool IsSwingLow(int shift)
{
   double center =
      iLow(_Symbol, PERIOD_M15, shift);

   for(int i=1; i<=SwingStrength; i++)
   {
      if(center >= iLow(_Symbol, PERIOD_M15, shift-i))
         return false;

      if(center >= iLow(_Symbol, PERIOD_M15, shift+i))
         return false;
   }

   return true;
}
double GetLastSwingHigh()
{
   for(int i=SwingStrength+1;
       i<SwingLookback;
       i++)
   {
      if(IsSwingHigh(i))
      {
         return iHigh(
            _Symbol,
            PERIOD_M15,
            i
         );
      }
   }

   return 0;
}
double GetLastSwingLow()
{
   for(int i=SwingStrength+1;
       i<SwingLookback;
       i++)
   {
      if(IsSwingLow(i))
      {
         return iLow(
            _Symbol,
            PERIOD_M15,
            i
         );
      }
   }

   return 0;
}


//+------------------------------------------------------------------+
//| Bullish BOS                                                      |
//+------------------------------------------------------------------+
bool BullishBOS()
{
   double currentClose =
      iClose(
         _Symbol,
         PERIOD_M15,
         1
      );

   double swingHigh =
      GetLastSwingHigh();

   // Fallback to lookback high if no swing high found
   if(swingHigh <= 0)
   {
      swingHigh =
         iHigh(
            _Symbol,
            PERIOD_M15,
            2
         );

      for(int i = 3; i