#include "ExecutionAlgorithm.mqh"
#include "TWAP.mqh"
#include "VWAP.mqh"
#include "IcebergOrder.mqh"
#include "PerformanceAnalyzer.mqh"
#include "ExecutionManager.mqh"

// Input parameters
input int FastMA = 20;           // Fast moving average period
input int SlowMA = 50;           // Slow moving average period
input double TradingVolume = 0.1; // Trading volume
input bool UseAdaptiveExecution = true; // Use adaptive execution based on market conditions

// Global variables
CExecutionManager *g_executionManager = NULL;
int g_maHandle1 = INVALID_HANDLE;
int g_maHandle2 = INVALID_HANDLE;

//+------------------------------------------------------------------+
//| Expert initialization function                                   |
//+------------------------------------------------------------------+
int OnInit()
{
   // Initialize execution manager
   g_executionManager = new CExecutionManager(Symbol(), 3, UseAdaptiveExecution);
   
   // Initialize indicators
   g_maHandle1 = iMA(Symbol(), Period(), FastMA, 0, MODE_SMA, PRICE_CLOSE);
   g_maHandle2 = iMA(Symbol(), Period(), SlowMA, 0, MODE_SMA, PRICE_CLOSE);
   
   if(g_maHandle1 == INVALID_HANDLE || g_maHandle2 == INVALID_HANDLE)
   {
      Print("Failed to create indicator handles");
      return INIT_FAILED;
   }
   
   return(INIT_SUCCEEDED);
}

//+------------------------------------------------------------------+
//| Expert deinitialization function                                 |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
{
   // Clean up
   if(g_executionManager != NULL)
   {
      delete g_executionManager;
      g_executionManager = NULL;
   }
   
   // Release indicator handles
   IndicatorRelease(g_maHandle1);
   IndicatorRelease(g_maHandle2);
}

//+------------------------------------------------------------------+
//| Expert tick function                                             |
//+------------------------------------------------------------------+
void OnTick()
{
   // Update execution algorithms
   if(g_executionManager != NULL)
      g_executionManager.UpdateAlgorithms();
   
   // Only process at bar open
   if(iVolume(_Symbol, PERIOD_CURRENT, 0) > 1)
      return;
      
   // Get indicator values
   double fastMA[2], slowMA[2];
   
   if(CopyBuffer(g_maHandle1, 0, 0, 2, fastMA) <= 0 ||
      CopyBuffer(g_maHandle2, 0, 0, 2, slowMA) <= 0)
   {
      Print("Failed to copy indicator buffers");
      return;
   }
   
   // Check for trend signals
   bool buySignal = (fastMA[0] > slowMA[0]) && (fastMA[1] <= slowMA[1]);
   bool sellSignal = (fastMA[0] < slowMA[0]) && (fastMA[1] >= slowMA[1]);
   
   // Execute signals using the execution manager
   if(buySignal)
   {
      Print("Buy signal detected");
      
      if(UseAdaptiveExecution)
      {
         // Let the execution manager select the best algorithm
         g_executionManager.ExecuteSignal(SIGNAL_TYPE_BUY, TradingVolume);
      }
      else
      {
         // Manually create a TWAP algorithm
         datetime currentTime = TimeCurrent();
         CTWAP *twap = g_executionManager.CreateTWAP(TradingVolume, currentTime, 
                                                   currentTime + 3600, 6, 
                                                   ORDER_TYPE_BUY, true);
      }
   }
   else if(sellSignal)
   {
      Print("Sell signal detected");
      
      if(UseAdaptiveExecution)
      {
         // Let the execution manager select the best algorithm
         g_executionManager.ExecuteSignal(SIGNAL_TYPE_SELL, TradingVolume);
      }
      else
      {
         // Manually create a TWAP algorithm
         datetime currentTime = TimeCurrent();
         CTWAP *twap = g_executionManager.CreateTWAP(TradingVolume, currentTime, 
                                                   currentTime + 3600, 6, 
                                                   ORDER_TYPE_SELL, true);
      }
   }
}
//+------------------------------------------------------------------+