//+------------------------------------------------------------------+
//|                                                IStructEvents.mqh |
//|                                  Copyright 2025, MetaQuotes Ltd. |
//|                                             https://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2025, MetaQuotes Ltd."
#property link      "https://www.mql5.com"
#property version   "1.00"

#include "IEvent.mqh"


//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
#define STRUCT_LEVEL_BULL  1001
#define STRUCT_LEVEL_BEAR  1002
//+------------------------------------------------------------------+
//| Expanded events for market structure detection                  |
//| (used for RL AI model training and real-time analysis)          |
//+------------------------------------------------------------------+
enum StructEventType
  {
   STRUCT_NONE = 0,                       // No event
   STRUCT_DETECT_SWING_HIGH = 1,          // New swing high detected (local maximum)
   STRUCT_DETECT_SWING_LOW = 2,           // New swing low detected (local minimum)
   STRUCT_DETECT_PROTECTED_HIGH = 3,      // New protected high set (for bearish trend)
   STRUCT_DETECT_PROTECTED_LOW,           // New protected low set (for bullish trend)
   STRUCT_DETECT_CONFIRMED_HIGH,          // Swing high confirmed by BOS (market structure break)
   STRUCT_DETECT_CONFIRMED_LOW,           // Swing low confirmed by BOS
   STRUCT_DETECT_BOS_BULL,                // Bullish Break of Structure (price > previous swing high)
   STRUCT_DETECT_BOS_BEAR,                // Bearish Break of Structure (price < previous swing low)
   STRUCT_DETECT_CHOCH_BULL,              // Bullish Change of Character (first sign of trend reversal to up)
   STRUCT_DETECT_CHOCH_BEAR,              // Bearish Change of Character (first sign of trend reversal to down)
   STRUCT_DETECT_TREND_CHANGE_BULL,       // Full trend change to bullish (protected high broken)
   STRUCT_DETECT_TREND_CHANGE_BEAR,       // Full trend change to bearish (protected low broken)
   STRUCT_DETECT_COMPLEX_PULLBACK_START,  // Complex pullback phase begins (price retraces multiple swings)
   STRUCT_DETECT_COMPLEX_PULLBACK_END,    // Complex pullback ends, original trend resumes
   STRUCT_DETECT_INTERNAL_SWING_HIGH,     // Internal structure swing high (lower timeframe fractal)
   STRUCT_DETECT_INTERNAL_SWING_LOW,      // Internal structure swing low
   STRUCT_UPDATE_TRACKER                  // Internal state update (not for AI consumption)
  };
  
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
class CStructEvent : public IEvent
  {
private:
   StructEventType   m_type;
   double            m_level;
   datetime          m_time;
   datetime          m_refTime;
   int               m_tf;
   double            m_strength;
public:
                     CStructEvent(StructEventType t, double l, datetime tm, datetime rtm, int tf, double str = 1.0)
     {
      m_type = t;
      m_level = l;
      m_time = tm;
      m_refTime = rtm;
      m_tf = tf;
      m_strength = str;
     }

   StructEventType   getType() { return m_type; }
   double            getLevel() { return m_level; }
   datetime          getTime() { return m_time; }
   datetime          getRefTime() { return m_refTime; }
   int               getTimeframeMinutes() { return m_tf; }
   double            getStrength() { return m_strength; }

   virtual EventType       GetType() const override { return STRUCT_EVENTS; }
   StructEventType      Type()  { return m_type; }
  };
//+------------------------------------------------------------------+