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using System;
using System.Linq;
using cAlgo.API;

namespace cAlgo.Robots
{
    [Robot(TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
    public class WeeklyJournalDashboard : Robot
    {
        // Use text Labels to identify your setups
        [Parameter("Setup A Label", DefaultValue = "Setup A")]
        public string SetupALabel { get; set; }

        [Parameter("Setup B Label", DefaultValue = "Setup B")]
        public string SetupBLabel { get; set; }

        protected override void OnStart()
        {
            // Set a 1-second timer to update the dashboard even when markets are closed
            Timer.Start(TimeSpan.FromSeconds(1));
            UpdateDashboard(); // Run it immediately once on startup
        }

        protected override void OnTimer()
        {
            UpdateDashboard();
        }

        private void UpdateDashboard()
        {
            int weekWins = 0, weekLosses = 0;
            double grossWin = 0, grossLoss = 0;
            
            int setupAWins = 0, setupALosses = 0;
            int setupBWins = 0, setupBLosses = 0;

            // Determine the start time of the current week (Assuming a Monday start)
            DateTime now = Server.Time;
            int diff = (7 + (now.DayOfWeek - DayOfWeek.Monday)) % 7;
            DateTime weekStart = now.Date.AddDays(-1 * diff).Date; // .Date strips the time to 00:00:00

            // Query cTrader's History API for trades closed this week
            var thisWeekTrades = History.Where(t => t.ClosingTime >= weekStart);

            foreach (var trade in thisWeekTrades)
            {
                // NetProfit automatically accounts for commissions and swaps in cTrader
                if (trade.NetProfit > 0)
                {
                    weekWins++;
                    grossWin += trade.NetProfit;

                    if (trade.Label == SetupALabel) setupAWins++;
                    else if (trade.Label == SetupBLabel) setupBWins++;
                }
                else if (trade.NetProfit < 0)
                {
                    weekLosses++;
                    grossLoss += Math.Abs(trade.NetProfit);

                    if (trade.Label == SetupALabel) setupALosses++;
                    else if (trade.Label == SetupBLabel) setupBLosses++;
                }
            }

            // 1. Calculate Overall Win Rate
            int totalTrades = weekWins + weekLosses;
            double winRate = totalTrades > 0 ? ((double)weekWins / totalTrades) * 100 : 0.0;

            // 2. Calculate Realized R:R Ratio
            double avgWin = weekWins > 0 ? grossWin / weekWins : 0.0;
            double avgLoss = weekLosses > 0 ? grossLoss / weekLosses : 0.0;
            double rrRatio = avgLoss > 0 ? avgWin / avgLoss : 0.0;

            // 3. Calculate Setup Win Rates
            int totalA = setupAWins + setupALosses;
            double winRateA = totalA > 0 ? ((double)setupAWins / totalA) * 100 : 0.0;

            int totalB = setupBWins + setupBLosses;
            double winRateB = totalB > 0 ? ((double)setupBWins / totalB) * 100 : 0.0;

            // 4. Render the Dashboard text
            string dashboard = "========== WEEKLY REVIEW ==========\n\n";
            
            dashboard += "1. Win Rate This Week:\n";
            dashboard += $"   {totalTrades} Trades | {winRate:F2}%\n\n";
            
            dashboard += "2. Avg Realized R:R:\n";
            dashboard += $"   1 : {rrRatio:F2}\n\n";
            
            dashboard += "3. Setup Performance:\n";
            dashboard += $"   {SetupALabel}: {totalA} Trades | {winRateA:F2}%\n";
            dashboard += $"   {SetupBLabel}: {totalB} Trades | {winRateB:F2}%\n\n";
            
            dashboard += "4. Rule Deviations?\n";
            dashboard += "   [ Check journal for manual deviations ]\n";
            
            dashboard += "===================================";

            // Draw the dashboard directly to the top-left corner of the chart
            Chart.DrawStaticText("JournalDash", dashboard, VerticalAlignment.Top, HorizontalAlignment.Left, Color.White);
        }

        protected override void OnStop()
        {
            // Remove the dashboard from the chart when the bot is stopped
            Chart.RemoveObject("JournalDash");
        }
    }
}