//+------------------------------------------------------------------+
//|                                              ERMT_6.9-DualDash.mq5|
//|                     Enterprise Risk Management Terminal v6.9     |
//|                   Complete Working Implementation                |
//+------------------------------------------------------------------+
#property copyright "Copyright 2024, Institutional Trading Systems"
#property link      "https://example.com"
#property version   "6.903"
#property description "Enterprise Risk Management Terminal - Dual Dashboard Edition"

//+------------------------------------------------------------------+
//| Include Files                                                    |
//+------------------------------------------------------------------+
//--- Include base MQL5 classes
#include <Object.mqh>
#include <Trade/Trade.mqh>

//--- Include system modules
#include "Modules/DataTypes.mqh"
#include "Modules/Utilities.mqh"
#include "Modules/RiskManager.mqh"
#include "Modules/TradeManager.mqh"
#include "Modules/TechnicalAnalysis.mqh"
#include "Modules/EntrySystem.mqh"
#include "Modules/Dashboard.mqh"                     // Original Dashboard
#include "Modules/Dashboard_SelfContained.mqh"        // New Self-Contained Dashboard
#include "Modules/ExternalTradeManager.mqh"


//+------------------------------------------------------------------+
//| Input Parameters - Complete Set                                  |
//+------------------------------------------------------------------+
// Risk Management Parameters
input double    InpMaxRiskPerTrade = 1.0;         // Maximum Risk Per Trade (%)
input double    InpMaxDailyLoss = 5.0;            // Maximum Daily Loss (%)
input double    InpMaxDrawdown = 20.0;            // Maximum Drawdown (%)
input double    InpMaxLeverage = 10.0;            // Maximum Leverage
input int       InpMaxPositions = 5;              // Maximum Concurrent Positions
input double    InpMaxCorrelation = 0.7;          // Maximum Correlation Threshold

// Trade Management Parameters
input ENUM_TRADE_MANAGEMENT_MODE InpManagementMode = MANAGEMENT_BASIC;  // Management Mode
input ENUM_SL_MODE InpSLMode = SL_ATR;           // Stop Loss Mode
input ENUM_TP_MODE InpTPMode = TP_RISK_REWARD;   // Take Profit Mode
input double    InpRiskRewardRatio = 2.0;        // Risk/Reward Ratio
input bool      InpUseTrailingStop = true;       // Use Trailing Stop
input double    InpTrailingDistance = 50;        // Trailing Distance (points)
input bool      InpMoveToBreakeven = true;       // Move to Breakeven
input double    InpBreakevenTrigger = 30;        // Breakeven Trigger (points)

// Position Sizing Parameters
input ENUM_POSITION_SIZING InpSizingMethod = POSITION_SIZE_RISK;  // Position Sizing Method
input double    InpFixedLotSize = 0.01;          // Fixed Lot Size
input double    InpRiskPercent = 1.0;            // Risk Percentage for Sizing

// Entry System Parameters
input ENUM_ENTRY_MODE InpEntryMode = ENTRY_MANUAL;  // Entry Mode
input ENUM_ENTRY_STRATEGY InpEntryStrategy = ENTRY_MA_CROSS;  // Entry Strategy
input int       InpMAPeriodFast = 10;            // Fast MA Period
input int       InpMAPeriodSlow = 20;            // Slow MA Period
input int       InpMomentumPeriod = 14;          // Momentum Period
input double    InpBreakoutThreshold = 1.5;      // Breakout Threshold (ATR)
input int       InpMinSignalStrength = 5;        // Minimum Signal Strength (1-10)

// Dashboard Parameters
input int       InpOriginalDashboardX = 10;      // Original Dashboard X Position
input int       InpOriginalDashboardY = 30;      // Original Dashboard Y Position
input int       InpDualDashboardX = 350;         // Dual Dashboard X Position
input int       InpDualDashboardY = 30;          // Dual Dashboard Y Position
input int       InpDashboardWidth = 320;         // Dashboard Width
input int       InpDashboardHeight = 200;        // Dashboard Height
input bool      InpShowOriginalDashboard = true; // Show Original Dashboard
input bool      InpShowDualDashboard = true;     // Show Dual Dashboard
input ENUM_DASH_THEME InpDashboardTheme = DASH_THEME_DARK; // Dashboard Theme

// System Parameters
input int       InpMagicNumber = 123456;         // Magic Number
input string    InpCommentPrefix = "ERMT_";      // Trade Comment Prefix
input int       InpUpdateFrequency = 1;          // Update Frequency (seconds)
input bool      InpEnableAlerts = true;          // Enable Alerts
input bool      InpEnableNotifications = false;  // Enable Push Notifications
input bool      InpEnableEmails = false;         // Enable Email Alerts
input ENUM_LOG_LEVEL InpLogLevel = LOG_INFO;     // Logging Level

// Time Filter Parameters
input bool      InpUseTimeFilter = false;        // Use Time Filter
input int       InpStartHour = 8;                // Trading Start Hour
input int       InpEndHour = 20;                 // Trading End Hour
input bool      InpTradeOnMonday = true;         // Trade on Monday
input bool      InpTradeOnFriday = true;         // Trade on Friday
input bool      InpCloseOnFriday = false;        // Close All on Friday

//+------------------------------------------------------------------+
//| Global Variables and Objects                                     |
//+------------------------------------------------------------------+
// Core System Objects
CRiskManager            g_RiskManager;           // Risk manager instance
CDashboardSelfContained g_Dashboard;             // Original dashboard
CDashboardSelfContained g_DualDashboard;         // Dual dashboard
CUtilities*             g_pUtils;                // Utilities pointer

// Data Storage
ManagedTrade            g_ManagedTrades[];       // Array of managed trades
RiskMetrics             g_RiskMetrics;           // Current risk metrics
PerformanceMetrics      g_Performance;           // Performance metrics
MarketConditions        g_MarketConditions;      // Current market conditions

// System State Variables
bool                    g_IsInitialized = false; // System initialized flag
bool                    g_IsTrading = false;     // Trading enabled flag
bool                    g_InPosition = false;    // Currently in position flag
datetime                g_LastUpdateTime = 0;    // Last update timestamp
datetime                g_LastTradeTime = 0;     // Last trade timestamp
int                     g_ConsecutiveLosses = 0; // Consecutive losses counter
double                  g_DailyProfit = 0;       // Today's profit/loss
double                  g_SessionHigh = 0;       // Session high balance
double                  g_SessionLow = 0;        // Session low balance

// Performance Tracking
double                  g_StartingBalance = 0;   // Starting balance
double                  g_PeakBalance = 0;       // Peak balance for DD calc
int                     g_TotalTrades = 0;       // Total trades counter
int                     g_WinningTrades = 0;     // Winning trades counter
int                     g_LosingTrades = 0;      // Losing trades counter

//+------------------------------------------------------------------+
//| Expert initialization function                                   |
//+------------------------------------------------------------------+
int OnInit()
{
    // Initialize logging
    CLogger::Init(InpLogLevel, true, true);
    CLogger::Log(LOG_INFO, "===========================================");
    CLogger::Log(LOG_INFO, "ERMT 6.9 Dual Dashboard - Initializing");
    CLogger::Log(LOG_INFO, "===========================================");
    
    // Create utilities instance
    g_pUtils = new CUtilities();
    if(g_pUtils == NULL)
    {
        CLogger::Log(LOG_ERROR, "Failed to create Utilities instance");
        return INIT_FAILED;
    }
    
    // Initialize Risk Parameters
    RiskParameters riskParams;
    riskParams.maxRiskPerTrade = InpMaxRiskPerTrade;
    riskParams.maxDailyRisk = InpMaxDailyLoss;
    riskParams.maxDrawdown = InpMaxDrawdown;
    riskParams.maxLeverage = InpMaxLeverage;
    riskParams.maxPositions = InpMaxPositions;
    riskParams.maxCorrelation = InpMaxCorrelation;
    riskParams.marginCallLevel = 50.0;
    riskParams.stopOutLevel = 30.0;
    riskParams.useVolatilityAdjustment = true;
    riskParams.volatilityMultiplier = 1.5;
    riskParams.useTimeFilter = InpUseTimeFilter;
    riskParams.startHour = InpStartHour;
    riskParams.endHour = InpEndHour;
    riskParams.closeOnFriday = InpCloseOnFriday;
    riskParams.tradeOnMonday = InpTradeOnMonday;
    
    // Initialize Risk Manager
    if(!g_RiskManager.Initialize(g_pUtils, riskParams))
    {
        CLogger::Log(LOG_ERROR, "Failed to initialize Risk Manager");
        delete g_pUtils;
        return INIT_FAILED;
    }
    
    // Initialize Dashboards
    if(InpShowOriginalDashboard)
    {
        if(!g_Dashboard.Create("Original", InpOriginalDashboardX, InpOriginalDashboardY, 
                               InpDashboardWidth, InpDashboardHeight))
        {
            CLogger::Log(LOG_WARNING, "Failed to create original dashboard");
        }
        else
        {
            g_Dashboard.SetTheme(InpDashboardTheme);
            CLogger::Log(LOG_INFO, "Original dashboard created successfully");
        }
    }
    
    if(InpShowDualDashboard)
    {
        if(!g_DualDashboard.Create("Dual", InpDualDashboardX, InpDualDashboardY,
                                  InpDashboardWidth, InpDashboardHeight))
        {
            CLogger::Log(LOG_WARNING, "Failed to create dual dashboard");
        }
        else
        {
            g_DualDashboard.SetTheme(InpDashboardTheme);
            g_DualDashboard.SetCompact(true);  // Make dual dashboard compact
            CLogger::Log(LOG_INFO, "Dual dashboard created successfully");
        }
    }
    
    // Initialize tracking variables
    g_StartingBalance = AccountInfoDouble(ACCOUNT_BALANCE);
    g_PeakBalance = g_StartingBalance;
    g_SessionHigh = g_StartingBalance;
    g_SessionLow = g_StartingBalance;
    g_LastUpdateTime = TimeCurrent();
    
    // Initialize arrays
    ArrayResize(g_ManagedTrades, 0);
    
    // Set timer for updates
    EventSetTimer(InpUpdateFrequency);
    
    // Set initialization flag
    g_IsInitialized = true;
    g_IsTrading = true;
    
    CLogger::Log(LOG_INFO, StringFormat("Starting Balance: %.2f", g_StartingBalance));
    CLogger::Log(LOG_INFO, "ERMT 6.9 Initialized Successfully");
    
    return INIT_SUCCEEDED;
}

//+------------------------------------------------------------------+
//| Expert deinitialization function                                 |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
{
    // Kill timer
    EventKillTimer();
    
    // Log final statistics
    LogFinalStatistics();
    
    // Destroy dashboards
    if(InpShowOriginalDashboard)
    {
        g_Dashboard.Destroy();
    }
    
    if(InpShowDualDashboard)
    {
        g_DualDashboard.Destroy();
    }
    
    // Clean up Risk Manager
    g_RiskManager.Deinitialize();
    
    // Delete utilities
    if(g_pUtils != NULL)
    {
        delete g_pUtils;
        g_pUtils = NULL;
    }
    
    // Log shutdown reason
    string reasonStr = GetDeInitReasonText(reason);
    CLogger::Log(LOG_INFO, "ERMT 6.9 Shutdown: " + reasonStr);
    
    // Deinitialize logger
    CLogger::Deinit();
}

//+------------------------------------------------------------------+
//| Expert tick function                                             |
//+------------------------------------------------------------------+
void OnTick()
{
    if(!g_IsInitialized || !g_IsTrading) return;
    
    // Check if market is open
    if(!IsMarketOpen()) return;
    
    // Update market conditions
    UpdateMarketConditions();
    
    // Update managed trades
    UpdateManagedTrades();
    
    // Check for risk events
    CheckRiskEvents();
    
    // Process existing positions
    ProcessExistingPositions();
    
    // Check for new entry signals (if enabled)
    if(InpEntryMode != ENTRY_MANUAL)
    {
        CheckEntrySignals();
    }
}

//+------------------------------------------------------------------+
//| Timer function                                                   |
//+------------------------------------------------------------------+
void OnTimer()
{
    if(!g_IsInitialized) return;
    
    // Update performance metrics
    UpdatePerformanceMetrics();
    
    // Update risk metrics
    g_RiskMetrics = g_RiskManager.GetCurrentRiskMetrics();
    
    // Update dashboards
    UpdateDashboards();
    
    // Check for daily reset
    CheckDailyReset();
    
    g_LastUpdateTime = TimeCurrent();
}

//+------------------------------------------------------------------+
//| Update Market Conditions                                         |
//+------------------------------------------------------------------+
void UpdateMarketConditions()
{
    g_MarketConditions.volatility = g_RiskManager.GetVolatility(_Symbol);
    g_MarketConditions.atr = g_RiskManager.GetATR(_Symbol, PERIOD_CURRENT, 14);
    g_MarketConditions.spread = (SymbolInfoDouble(_Symbol, SYMBOL_ASK) - 
                                 SymbolInfoDouble(_Symbol, SYMBOL_BID)) / 
                                 SymbolInfoDouble(_Symbol, SYMBOL_POINT);
    
    // Determine market condition
    if(g_MarketConditions.volatility > g_MarketConditions.atr * 1.5)
    {
        g_MarketConditions.condition = MARKET_VOLATILE;
    }
    else if(g_MarketConditions.volatility < g_MarketConditions.atr * 0.5)
    {
        g_MarketConditions.condition = MARKET_QUIET;
    }
    else
    {
        g_MarketConditions.condition = MARKET_RANGING;
    }
    
    g_MarketConditions.lastUpdate = TimeCurrent();
}

//+------------------------------------------------------------------+
//| Update Managed Trades                                            |
//+------------------------------------------------------------------+
void UpdateManagedTrades()
{
    ArrayResize(g_ManagedTrades, 0);
    int count = 0;
    
    for(int i = PositionsTotal() - 1; i >= 0; i--)
    {
        if(PositionSelectByTicket(PositionGetTicket(i)))
        {
            if(PositionGetInteger(POSITION_MAGIC) == InpMagicNumber)
            {
                ManagedTrade trade;
                trade.ticket = PositionGetInteger(POSITION_TICKET);
                trade.symbol = PositionGetString(POSITION_SYMBOL);
                trade.type = (int)PositionGetInteger(POSITION_TYPE);
                trade.volume = PositionGetDouble(POSITION_VOLUME);
                trade.openPrice = PositionGetDouble(POSITION_PRICE_OPEN);
                trade.stopLoss = PositionGetDouble(POSITION_SL);
                trade.takeProfit = PositionGetDouble(POSITION_TP);
                trade.profit = PositionGetDouble(POSITION_PROFIT);
                trade.commission = PositionGetDouble(POSITION_COMMISSION);
                trade.swap = PositionGetDouble(POSITION_SWAP);
                trade.openTime = (datetime)PositionGetInteger(POSITION_TIME);
                trade.magic = (int)PositionGetInteger(POSITION_MAGIC);
                trade.comment = PositionGetString(POSITION_COMMENT);
                trade.isManaged = true;
                trade.slMode = InpSLMode;
                trade.tpMode = InpTPMode;
                
                ArrayResize(g_ManagedTrades, count + 1);
                g_ManagedTrades[count] = trade;
                count++;
            }
        }
    }
    
    g_InPosition = (count > 0);
}

//+------------------------------------------------------------------+
//| Check Risk Events                                                |
//+------------------------------------------------------------------+
void CheckRiskEvents()
{
    if(g_RiskManager.IsRiskLimitExceeded())
    {
        ENUM_RISK_ACTION action = g_RiskManager.EvaluateRiskAction();
        
        if(action != ACTION_NONE)
        {
            g_RiskManager.ExecuteRiskAction(action);
            
            // Stop trading if critical
            if(action == ACTION_CLOSE_ALL || action == ACTION_STOP_TRADING)
            {
                g_IsTrading = false;
                CloseAllPositions();
            }
        }
    }
}

//+------------------------------------------------------------------+
//| Process Existing Positions                                       |
//+------------------------------------------------------------------+
void ProcessExistingPositions()
{
    for(int i = 0; i < ArraySize(g_ManagedTrades); i++)
    {
        // Process trailing stop
        if(InpUseTrailingStop)
        {
            ProcessTrailingStop(g_ManagedTrades[i]);
        }
        
        // Process breakeven
        if(InpMoveToBreakeven && !g_ManagedTrades[i].isBreakeven)
        {
            ProcessBreakeven(g_ManagedTrades[i]);
        }
    }
}

//+------------------------------------------------------------------+
//| Process Trailing Stop                                            |
//+------------------------------------------------------------------+
void ProcessTrailingStop(ManagedTrade &trade)
{
    if(!PositionSelectByTicket(trade.ticket)) return;
    
    double currentPrice = PositionGetDouble(POSITION_PRICE_CURRENT);
    double currentSL = PositionGetDouble(POSITION_SL);
    double point = SymbolInfoDouble(trade.symbol, SYMBOL_POINT);
    double trailDistance = InpTrailingDistance * point;
    
    bool isBuy = (trade.type == POSITION_TYPE_BUY);
    double newSL = 0;
    
    if(isBuy)
    {
        newSL = currentPrice - trailDistance;
        if(newSL > currentSL && newSL < currentPrice)
        {
            ModifyPosition(trade.ticket, newSL, trade.takeProfit);
        }
    }
    else
    {
        newSL = currentPrice + trailDistance;
        if((currentSL == 0 || newSL < currentSL) && newSL > currentPrice)
        {
            ModifyPosition(trade.ticket, newSL, trade.takeProfit);
        }
    }
}

//+------------------------------------------------------------------+
//| Process Breakeven                                                |
//+------------------------------------------------------------------+
void ProcessBreakeven(ManagedTrade &trade)
{
    if(!PositionSelectByTicket(trade.ticket)) return;
    
    double currentPrice = PositionGetDouble(POSITION_PRICE_CURRENT);
    double openPrice = trade.openPrice;
    double point = SymbolInfoDouble(trade.symbol, SYMBOL_POINT);
    double triggerDistance = InpBreakevenTrigger * point;
    
    bool isBuy = (trade.type == POSITION_TYPE_BUY);
    
    if(isBuy)
    {
        if(currentPrice >= openPrice + triggerDistance)
        {
            double newSL = openPrice + point;  // Small profit to cover costs
            if(trade.stopLoss < newSL)
            {
                if(ModifyPosition(trade.ticket, newSL, trade.takeProfit))
                {
                    trade.isBreakeven = true;
                    CLogger::Log(LOG_INFO, StringFormat("Position %d moved to breakeven", trade.ticket));
                }
            }
        }
    }
    else
    {
        if(currentPrice <= openPrice - triggerDistance)
        {
            double newSL = openPrice - point;
            if(trade.stopLoss == 0 || trade.stopLoss > newSL)
            {
                if(ModifyPosition(trade.ticket, newSL, trade.takeProfit))
                {
                    trade.isBreakeven = true;
                    CLogger::Log(LOG_INFO, StringFormat("Position %d moved to breakeven", trade.ticket));
                }
            }
        }
    }
}

//+------------------------------------------------------------------+
//| Modify Position                                                  |
//+------------------------------------------------------------------+
bool ModifyPosition(ulong ticket, double sl, double tp)
{
    MqlTradeRequest request;
    MqlTradeResult result;
    
    ZeroMemory(request);
    ZeroMemory(result);
    
    request.action = TRADE_ACTION_SLTP;
    request.position = ticket;
    request.sl = NormalizeDouble(sl, _Digits);
    request.tp = NormalizeDouble(tp, _Digits);
    
    if(!OrderSend(request, result))
    {
        CLogger::Log(LOG_ERROR, StringFormat("Failed to modify position %d: %s", 
                    ticket, GetLastErrorString()));
        return false;
    }
    
    return true;
}

//+------------------------------------------------------------------+
//| Check Entry Signals                                              |
//+------------------------------------------------------------------+
void CheckEntrySignals()
{
    // This is a placeholder for entry signal logic
    // Implement based on selected strategy
    if(!g_RiskManager.CanOpenNewPosition(_Symbol, 0.01)) return;
    
    // Entry logic would go here based on InpEntryStrategy
}

//+------------------------------------------------------------------+
//| Update Performance Metrics                                       |
//+------------------------------------------------------------------+
void UpdatePerformanceMetrics()
{
    double currentBalance = AccountInfoDouble(ACCOUNT_BALANCE);
    double currentEquity = AccountInfoDouble(ACCOUNT_EQUITY);
    
    // Update account values
    g_Performance.currentBalance = currentBalance;
    g_Performance.currentEquity = currentEquity;
    g_Performance.startingBalance = g_StartingBalance;
    g_Performance.netProfit = currentBalance - g_StartingBalance;
    
    // Update peak balance
    if(currentBalance > g_PeakBalance)
    {
        g_PeakBalance = currentBalance;
    }
    g_Performance.peakBalance = g_PeakBalance;
    
    // Calculate drawdown
    if(g_PeakBalance > 0)
    {
        g_Performance.currentDrawdown = g_PeakBalance - currentBalance;
        g_Performance.currentDrawdownPercent = (g_Performance.currentDrawdown / g_PeakBalance) * 100;
    }
    
    // Update trade statistics
    g_Performance.totalTrades = g_TotalTrades;
    g_Performance.winningTrades = g_WinningTrades;
    g_Performance.losingTrades = g_LosingTrades;
    
    // Calculate win rate
    if(g_TotalTrades > 0)
    {
        g_Performance.winRate = ((double)g_WinningTrades / g_TotalTrades) * 100;
    }
    
    g_Performance.lastUpdateTime = TimeCurrent();
}

//+------------------------------------------------------------------+
//| Update Dashboards                                                |
//+------------------------------------------------------------------+
void UpdateDashboards()
{
    if(InpShowOriginalDashboard)
    {
        g_Dashboard.Update(g_RiskMetrics, g_Performance);
    }
    
    if(InpShowDualDashboard)
    {
        g_DualDashboard.Update(g_RiskMetrics, g_Performance);
    }
}

//+------------------------------------------------------------------+
//| Check Daily Reset                                                |
//+------------------------------------------------------------------+
void CheckDailyReset()
{
    static datetime lastResetDate = 0;
    
    MqlDateTime current;
    TimeToStruct(TimeCurrent(), current);
    
    datetime currentDate = StringToTime(StringFormat("%04d.%02d.%02d", 
                                        current.year, current.mon, current.day));
    
    if(currentDate != lastResetDate)
    {
        g_DailyProfit = 0;
        lastResetDate = currentDate;
        CLogger::Log(LOG_INFO, "Daily metrics reset");
    }
}

//+------------------------------------------------------------------+
//| Check if Market is Open                                          |
//+------------------------------------------------------------------+
bool IsMarketOpen()
{
    if(!InpUseTimeFilter) return true;
    
    MqlDateTime current;
    TimeToStruct(TimeCurrent(), current);
    
    // Check day of week
    if(current.day_of_week == 0 || current.day_of_week == 6) return false;
    if(current.day_of_week == 1 && !InpTradeOnMonday) return false;
    if(current.day_of_week == 5 && !InpTradeOnFriday) return false;
    
    // Check time
    if(current.hour < InpStartHour || current.hour >= InpEndHour) return false;
    
    return true;
}

//+------------------------------------------------------------------+
//| Close All Positions                                              |
//+------------------------------------------------------------------+
void CloseAllPositions()
{
    CLogger::Log(LOG_WARNING, "Closing all positions");
    
    for(int i = PositionsTotal() - 1; i >= 0; i--)
    {
        if(PositionSelectByTicket(PositionGetTicket(i)))
        {
            if(PositionGetInteger(POSITION_MAGIC) == InpMagicNumber)
            {
                MqlTradeRequest request;
                MqlTradeResult result;
                
                ZeroMemory(request);
                ZeroMemory(result);
                
                request.action = TRADE_ACTION_DEAL;
                request.position = PositionGetInteger(POSITION_TICKET);
                request.symbol = PositionGetString(POSITION_SYMBOL);
                request.volume = PositionGetDouble(POSITION_VOLUME);
                request.type = (PositionGetInteger(POSITION_TYPE) == POSITION_TYPE_BUY) ? 
                              ORDER_TYPE_SELL : ORDER_TYPE_BUY;
                request.price = (request.type == ORDER_TYPE_SELL) ? 
                               SymbolInfoDouble(request.symbol, SYMBOL_BID) :
                               SymbolInfoDouble(request.symbol, SYMBOL_ASK);
                request.deviation = 10;
                request.magic = InpMagicNumber;
                
                OrderSend(request, result);
            }
        }
    }
}

//+------------------------------------------------------------------+
//| Get Deinit Reason Text                                           |
//+------------------------------------------------------------------+
string GetDeInitReasonText(int reason)
{
    switch(reason)
    {
        case REASON_PROGRAM:     return "Program terminated";
        case REASON_REMOVE:      return "Program removed from chart";
        case REASON_RECOMPILE:   return "Program recompiled";
        case REASON_CHARTCHANGE: return "Chart symbol or period changed";
        case REASON_CHARTCLOSE:  return "Chart closed";
        case REASON_PARAMETERS:  return "Parameters changed";
        case REASON_ACCOUNT:     return "Account changed";
        default:                 return "Unknown reason";
    }
}

//+------------------------------------------------------------------+
//| Get Last Error String                                            |
//+------------------------------------------------------------------+
string GetLastErrorString()
{
    int error = GetLastError();
    return StringFormat("Error %d: %s", error, ErrorDescription(error));
}

//+------------------------------------------------------------------+
//| Error Description                                                |
//+------------------------------------------------------------------+
string ErrorDescription(int error_code)
{
    // Add common error descriptions
    switch(error_code)
    {
        case 0:     return "No error";
        case 4756:  return "Trade request sending failed";
        case 4757:  return "Trade request canceled by timeout";
        case 10004: return "Requote";
        case 10006: return "Request rejected";
        case 10007: return "Request canceled by trader";
        case 10010: return "Only part of the request was completed";
        case 10011: return "Request processing error";
        case 10012: return "Request canceled by timeout";
        case 10013: return "Invalid request";
        case 10014: return "Invalid volume";
        case 10015: return "Invalid price";
        case 10016: return "Invalid stops";
        case 10017: return "Trade disabled";
        case 10018: return "Market closed";
        case 10019: return "Not enough money";
        case 10020: return "Prices changed";
        case 10021: return "No quotes to process request";
        case 10022: return "Invalid expiration date";
        case 10023: return "Order state changed";
        case 10024: return "Too frequent requests";
        case 10025: return "No changes in request";
        case 10026: return "Autotrading disabled by server";
        case 10027: return "Autotrading disabled by client terminal";
        default:    return "Unknown error";
    }
}

//+------------------------------------------------------------------+
//| Log Final Statistics                                             |
//+------------------------------------------------------------------+
void LogFinalStatistics()
{
    double finalBalance = AccountInfoDouble(ACCOUNT_BALANCE);
    double totalProfit = finalBalance - g_StartingBalance;
    double profitPercent = (g_StartingBalance > 0) ? 
                          (totalProfit / g_StartingBalance) * 100 : 0;
    
    CLogger::Log(LOG_INFO, "===========================================");
    CLogger::Log(LOG_INFO, "FINAL STATISTICS");
    CLogger::Log(LOG_INFO, "===========================================");
    CLogger::Log(LOG_INFO, StringFormat("Starting Balance: %.2f", g_StartingBalance));
    CLogger::Log(LOG_INFO, StringFormat("Final Balance: %.2f", finalBalance));
    CLogger::Log(LOG_INFO, StringFormat("Total Profit/Loss: %.2f (%.2f%%)", 
                totalProfit, profitPercent));
    CLogger::Log(LOG_INFO, StringFormat("Total Trades: %d", g_TotalTrades));
    CLogger::Log(LOG_INFO, StringFormat("Winning Trades: %d", g_WinningTrades));
    CLogger::Log(LOG_INFO, StringFormat("Losing Trades: %d", g_LosingTrades));
    CLogger::Log(LOG_INFO, StringFormat("Win Rate: %.2f%%", g_Performance.winRate));
    CLogger::Log(LOG_INFO, StringFormat("Max Drawdown: %.2f%%", 
                g_Performance.maxDrawdownPercent));
    CLogger::Log(LOG_INFO, "===========================================");
}