using Indotalent.Infrastructure.Database;
using Indotalent.Data.Entities;
using Indotalent.Data.Enums;
using MediatR;
using Microsoft.EntityFrameworkCore;

namespace Indotalent.Features.Root.Home.Cqrs;

public class ChartDataPoint
{
    public string? Label { get; set; }
    public double SalesAmount { get; set; }
    public double PurchaseAmount { get; set; }
}

public class ScmMetricDto
{
    public string? Label { get; set; }
    public string? Value { get; set; }
    public string? Color { get; set; }
    public double Percentage { get; set; }
}

public class ScmActivityDto
{
    public string? Module { get; set; }
    public string? Number { get; set; }
    public string? Partner { get; set; }
    public double Qty { get; set; }
    public string? Status { get; set; }
    public DateTime? Date { get; set; }
    public string? Description { get; set; }
}

// CMS-specific DTOs for dashboard3 reference layout
public class DealStageDto { public string? Stage { get; set; } public int Count { get; set; } public string? Color { get; set; } }
public class LeadSourceDto { public string? Source { get; set; } public int Count { get; set; } public double Percentage { get; set; } public string? Color { get; set; } }
public class ConversionMetricDto { public string? Label { get; set; } public double Current { get; set; } public double Target { get; set; } public double PctValue { get; set; } public string? BarColor { get; set; } }
public class SalesActivityDto { public string? Category { get; set; } public int Count { get; set; } public string? Color { get; set; } }
public class RecentDealDto { public string? DealNumber { get; set; } public string? Description { get; set; } public decimal Value { get; set; } public string? Stage { get; set; } public string? Status { get; set; } public DateTimeOffset? Date { get; set; } }
public class ActivityFeedDto { public string? Title { get; set; } public string? Detail { get; set; } public string? TimeAgo { get; set; } public string? ChipLabel { get; set; } public string? ChipColor { get; set; } public string? AvatarBg { get; set; } public string? AvatarText { get; set; } }
public class PipelineSummaryDto { public string? Label { get; set; } public decimal Value { get; set; } public string? IconColorClass { get; set; } public string? FormattedValue { get; set; } }
public class PatientDistributionDto { public string? Label { get; set; } public string? Value { get; set; } public double PctValue { get; set; } public string? BarColor { get; set; } }
public class BookingStageDto { public string? Stage { get; set; } public int Count { get; set; } public string? Color { get; set; } }
public class RecentBookingDto { public string? Number { get; set; } public string? Patient { get; set; } public string? Resource { get; set; } public DateTime? Date { get; set; } public string? Status { get; set; } }
public class AppointmentActivityDto { public string? Type { get; set; } public string? PatientName { get; set; } public string? Detail { get; set; } public string? TimeAgo { get; set; } public string? ChipLabel { get; set; } public string? ChipColor { get; set; } public string? AvatarBg { get; set; } public string? AvatarText { get; set; } }
public class RevenueMetricDto { public string? Label { get; set; } public decimal Value { get; set; } public string? FormattedValue { get; set; } public string? Color { get; set; } }

public class DashboardScmResponse
{
    // Original properties (keep backward compatibility)
    public int PendingSO { get; set; }
    public int PendingPO { get; set; }
    public int PendingInvoice { get; set; }
    public int PendingBill { get; set; }
    public int TotalCustomer { get; set; }
    public int TotalVendor { get; set; }
    public decimal SalesMTD { get; set; }
    public decimal PurchaseMTD { get; set; }
    public decimal TotalReceivable { get; set; }
    public decimal TotalPayable { get; set; }

    public List<ScmMetricDto> DocGrid { get; set; } = new();
    public List<ScmActivityDto> GlobalFlowLog { get; set; } = new();
    public List<ScmMetricDto> TopProductsByQty { get; set; } = new();
    public List<ScmMetricDto> CustGroupStats { get; set; } = new();
    public List<ScmMetricDto> VendGroupStats { get; set; } = new();
    public List<ScmMetricDto> PayMethodStats { get; set; } = new();
    public List<ScmMetricDto> CashFlowMTD { get; set; } = new();

    public string FormattedSales => FormatCurrency(SalesMTD);
    public string FormattedPurchase => FormatCurrency(PurchaseMTD);
    public string FormattedReceivable => FormatCurrency(TotalReceivable);
    public string FormattedPayable => FormatCurrency(TotalPayable);

    // CMS-specific dashboard properties
    public int TotalPatients { get; set; }
    public int TotalBookings { get; set; }
    public int TotalMedicalRecords { get; set; }
    public int ActiveAppointments { get; set; }
    public decimal MRR { get; set; }
    public double BookingCompletionRate { get; set; }
    public int TotalEmployees { get; set; }
    public int TotalProducts { get; set; }
    public decimal AvgBookingValue { get; set; }
    public double OverallConversionRate { get; set; }
    public double PatientRetentionRate { get; set; }
    public double SlaPercentage { get; set; }
    public double EnterprisePercentage { get; set; }
    public double TargetCvr { get; set; }

    public List<DealStageDto> DealStages { get; set; } = new();
    public List<LeadSourceDto> LeadSources { get; set; } = new();
    public List<ConversionMetricDto> ConversionMetrics { get; set; } = new();
    public List<SalesActivityDto> SalesActivities { get; set; } = new();
    public List<RecentDealDto> RecentDeals { get; set; } = new();
    public List<ActivityFeedDto> ActivityFeeds { get; set; } = new();
    public List<PipelineSummaryDto> PipelineSummary { get; set; } = new();
    public List<ChartDataPoint> RevenueTrend { get; set; } = new();
    public List<PatientDistributionDto> PatientDistribution { get; set; } = new();
    public List<BookingStageDto> BookingStages { get; set; } = new();
    public List<RecentBookingDto> RecentBookings { get; set; } = new();
    public List<AppointmentActivityDto> AppointmentActivities { get; set; } = new();
    public List<RevenueMetricDto> RevenueMetrics { get; set; } = new();

    public string FormattedTotalPatients => TotalPatients.ToString("N0");
    public string FormattedTotalBookings => TotalBookings.ToString("N0");
    public string FormattedMRR => FormatCurrency(MRR);
    public string FormattedAvgBooking => FormatCurrency(AvgBookingValue);
    public string FormattedActiveAppointments => ActiveAppointments.ToString("N0");
    public string FormattedTotalMedicalRecords => TotalMedicalRecords.ToString("N0");

    public static string FormatCurrency(decimal v)
    {
        if (v >= 1000000) return (v / 1000000m).ToString("F1") + "M";
        if (v >= 1000) return (v / 1000m).ToString("F1") + "K";
        return v.ToString("N0");
    }
}

public record GetScmDashboardQuery() : IRequest<DashboardScmResponse>;

public class DashboardHandler : IRequestHandler<GetScmDashboardQuery, DashboardScmResponse>
{
    private readonly AppDbContext _context;
    public DashboardHandler(AppDbContext context) => _context = context;

    public async Task<DashboardScmResponse> Handle(GetScmDashboardQuery request, CancellationToken ct)
    {
        var start = new DateTime(DateTime.Today.Year, DateTime.Today.Month, 1);

        // ===================================================================
        // APPROACH: Take top 1000 raw records → materialize → process in memory
        // ===================================================================

        // ---- Patient raw data (top 1000) ----
        var patientsRaw = await _context.Patient
            .OrderByDescending(x => x.CreatedAt)
            .Take(1000)
            .Select(x => new { x.Name, GroupName = x.PatientGroup != null ? x.PatientGroup.Name : null, CategoryName = x.PatientCategory != null ? x.PatientCategory.Name : null })
            .ToListAsync(ct);

        var totalPatients = patientsRaw.Count;

        // Patient distribution by group (processed in memory)
        var patientGroupStats = patientsRaw
            .GroupBy(x => string.IsNullOrEmpty(x.GroupName) ? "General" : x.GroupName)
            .Select(g => new PatientDistributionDto
            {
                Label = g.Key,
                Value = g.Count().ToString(),
                PctValue = totalPatients > 0 ? Math.Round((double)g.Count() / totalPatients * 100, 1) : 0,
                BarColor = "#2563eb"
            }).OrderByDescending(x => x.PctValue).Take(5).ToList();

        // Lead Sources / Patient Sources (grouped by category in memory)
        var patientGroupCounts = patientsRaw
            .GroupBy(x => string.IsNullOrEmpty(x.CategoryName) ? "General" : x.CategoryName)
            .Select(g => new { Label = g.Key, Count = g.Count() })
            .OrderByDescending(x => x.Count)
            .Take(5)
            .ToList();
        var totalSourceCount = patientGroupCounts.Sum(x => x.Count);
        var sourceColors = new[] { "#2563eb", "#f97316", "#ec4899", "#8b5cf6", "#06b6d4" };
        var leadSources = patientGroupCounts
            .Select((g, i) => new LeadSourceDto
            {
                Source = g.Label,
                Count = g.Count,
                Percentage = totalSourceCount > 0 ? Math.Round((double)g.Count / totalSourceCount * 100, 1) : 0,
                Color = i < sourceColors.Length ? sourceColors[i] : "#94a3b8"
            }).ToList();

        // ---- Vendor raw data (top 1000) ----
        var vendorsRaw = await _context.Vendor
            .OrderByDescending(x => x.CreatedAt)
            .Take(1000)
            .Select(x => new { x.Name, GroupName = x.VendorGroup != null ? x.VendorGroup.Name : null })
            .ToListAsync(ct);

        var vendGroups = vendorsRaw
            .GroupBy(x => string.IsNullOrEmpty(x.GroupName) ? "General" : x.GroupName)
            .Select(g => new ScmMetricDto { Label = g.Key, Value = g.Count().ToString() })
            .ToList();

        // ---- Payment methods raw data (top 1000) ----
        var paymentsRaw = await _context.PaymentReceive
            .OrderByDescending(x => x.CreatedAt)
            .Take(1000)
            .Select(x => new { MethodName = x.PaymentMethod != null ? x.PaymentMethod.Name : null })
            .ToListAsync(ct);

        var payMethods = paymentsRaw
            .GroupBy(x => string.IsNullOrEmpty(x.MethodName) ? "Cash" : x.MethodName)
            .Select(g => new ScmMetricDto { Label = g.Key, Value = g.Count().ToString() })
            .ToList();

        // ---- Product raw data (top 1000 sales order items) ----
        var soiRaw = await _context.SalesOrderItem
            .OrderByDescending(x => x.CreatedAt)
            .Take(1000)
            .Select(x => new { ProductName = x.Product != null ? x.Product.Name : null, Qty = x.Quantity ?? 0 })
            .ToListAsync(ct);

        var topProds = soiRaw
            .GroupBy(x => string.IsNullOrEmpty(x.ProductName) ? "N/A" : x.ProductName)
            .OrderByDescending(g => g.Sum(x => (double)x.Qty))
            .Take(10)
            .Select(g => new ScmMetricDto { Label = g.Key, Value = g.Sum(x => (double)x.Qty).ToString("N0") })
            .ToList();

        // ---- Global flow log (sales orders, top 1000 → take 20) ----
        var soRaw = await _context.SalesOrder
            .OrderByDescending(x => x.OrderDate)
            .Take(1000)
            .Select(x => new
            {
                x.AutoNumber,
                CustomerName = x.Customer != null ? x.Customer.Name : "N/A",
                TotalQty = x.SalesOrderItemList.Sum(i => i.Quantity ?? 0),
                Status = x.OrderStatus.ToString(),
                x.OrderDate
            })
            .ToListAsync(ct);

        var globalLogs = soRaw
            .Take(20)
            .Select(x => new ScmActivityDto
            {
                Module = "Sales Order",
                Number = x.AutoNumber,
                Partner = x.CustomerName,
                Qty = x.TotalQty,
                Status = x.Status,
                Date = x.OrderDate
            }).ToList();

        // ---- Doc counts (simple count queries, fine as-is) ----
        var docGrid = new List<ScmMetricDto> {
            new() { Label = "Sales Order", Value = (await _context.SalesOrder.CountAsync(ct)).ToString(), Color = "#10b981" },
            new() { Label = "Purchase Order", Value = (await _context.PurchaseOrder.CountAsync(ct)).ToString(), Color = "#ef4444" },
            new() { Label = "Invoice", Value = (await _context.Invoice.CountAsync(ct)).ToString(), Color = "#14b8a6" },
            new() { Label = "Bill", Value = (await _context.Bill.CountAsync(ct)).ToString(), Color = "#f97316" },
            new() { Label = "Pay Receive", Value = (await _context.PaymentReceive.CountAsync(ct)).ToString(), Color = "#84cc16" },
            new() { Label = "Pay Disburse", Value = (await _context.PaymentDisburse.CountAsync(ct)).ToString(), Color = "#d946ef" }
        };

        // ---- CMS totals ----
        var totalBookings = await _context.Booking.CountAsync(ct);
        var totalMedicalRecords = await _context.MedicalRecord.CountAsync(ct);
        var activeBookings = await _context.Booking.CountAsync(x => x.Status == BookingStatus.Confirmed, ct);
        var totalEmployees = await _context.Employee.CountAsync(ct);
        var totalProducts = await _context.Product.CountAsync(ct);

        // ---- Booking raw data (top 1000) ----
        var bookingsRaw = await _context.Booking
            .OrderByDescending(x => x.CreatedAt)
            .Take(1000)
            .Select(x => new
            {
                x.AutoNumber,
                x.Subject,
                ResourceName = x.BookingResource != null ? x.BookingResource.Name : "N/A",
                x.StartTime,
                Status = x.Status
            })
            .ToListAsync(ct);

        var completedBookings = bookingsRaw.Count(x => x.Status == BookingStatus.Done);
        var bookingCompletionRate = totalBookings > 0 ? Math.Round((double)completedBookings / totalBookings * 100, 1) : 0;

        // Booking stages (processed from raw data in memory)
        var bookingStages = bookingsRaw
            .GroupBy(x => x.Status)
            .Select(g => new BookingStageDto
            {
                Stage = g.Key.ToString(),
                Count = g.Count(),
                Color = g.Key switch
                {
                    BookingStatus.Draft => "#8b5cf6",
                    BookingStatus.Confirmed => "#f59e0b",
                    BookingStatus.OnProgress => "#e11d48",
                    BookingStatus.Done => "#6366f1",
                    _ => "#94a3b8"
                }
            }).ToList();

        // Recent bookings (top 4 from materialized)
        var recentBookings = bookingsRaw
            .Take(4)
            .Select(x => new RecentBookingDto
            {
                Number = x.AutoNumber,
                Patient = x.Subject ?? "N/A",
                Resource = x.ResourceName,
                Date = x.StartTime,
                Status = x.Status.ToString()
            }).ToList();

        // Recent deals (from bookings)
        var recentDeals = recentBookings.Select(b => new RecentDealDto
        {
            DealNumber = b.Number,
            Description = b.Patient,
            Value = 0,
            Stage = b.Resource,
            Status = b.Status == "Done" ? "Posted" : b.Status == "Confirmed" ? "Pending" : "Draft",
            Date = b.Date
        }).ToList();

        // ---- Medical Record raw data (top 1000) ----
        var mrRaw = await _context.MedicalRecord
            .OrderByDescending(x => x.CreatedAt)
            .Take(1000)
            .Select(x => new
            {
                x.Description,
                x.Status,
                CategoryName = x.MedicalRecordCategory != null ? x.MedicalRecordCategory.Name : null,
                GroupName = x.MedicalRecordGroup != null ? x.MedicalRecordGroup.Name : null,
                PatientName = x.Patient != null ? x.Patient.Name : null
            })
            .ToListAsync(ct);

        // Sales activities (medical records grouped by category in memory)
        var activityColorsArr = new[] { "#10b981", "#e11d48", "#e11d48", "#6366f1" };
        var salesActivities = mrRaw
            .GroupBy(x => string.IsNullOrEmpty(x.CategoryName) ? "General" : x.CategoryName)
            .OrderByDescending(g => g.Count())
            .Take(4)
            .Select((g, i) => new SalesActivityDto
            {
                Category = g.Key,
                Count = g.Count(),
                Color = i < activityColorsArr.Length ? activityColorsArr[i] : "#94a3b8"
            })
            .ToList();

        // Appointment activities (top 4 from materialized)
        var medicalRecords = mrRaw
            .Take(4)
            .Select(x => new AppointmentActivityDto
            {
                Type = string.IsNullOrEmpty(x.CategoryName) ? "Checkup" : x.CategoryName,
                PatientName = x.PatientName ?? "Patient",
                Detail = x.Description ?? "",
                ChipLabel = x.Status.ToString(),
                ChipColor = x.Status == MedicalRecordStatus.Completed ? "chip-green" : "chip-indigo",
                AvatarBg = x.Status == MedicalRecordStatus.Completed ? "#10b981" : "#6366f1",
                AvatarText = (string.IsNullOrEmpty(x.GroupName) ? "MR" : x.GroupName).Substring(0, Math.Min(string.IsNullOrEmpty(x.GroupName) ? 2 : x.GroupName.Length, 2)).ToUpper()
            }).ToList();

        var activityFeeds = medicalRecords.Select(mr => new ActivityFeedDto
        {
            Title = mr.Type ?? "Medical Record",
            Detail = !string.IsNullOrEmpty(mr.PatientName) ? $"Patient: {mr.PatientName}" : "",
            TimeAgo = mr.ChipLabel ?? "",
            ChipLabel = mr.ChipLabel,
            ChipColor = mr.ChipColor,
            AvatarBg = mr.AvatarBg,
            AvatarText = mr.AvatarText
        }).ToList();

        // ---- Revenue Trend: top 1000 SalesOrder + PurchaseOrder, materialize, process in memory ----
        var soDatesRaw = await _context.SalesOrder
            .OrderByDescending(x => x.OrderDate)
            .Take(1000)
            .Select(x => new { x.OrderDate, Amount = x.AfterTaxAmount ?? 0 })
            .ToListAsync(ct);

        var poDatesRaw = await _context.PurchaseOrder
            .OrderByDescending(x => x.OrderDate)
            .Take(1000)
            .Select(x => new { x.OrderDate, Amount = x.AfterTaxAmount ?? 0 })
            .ToListAsync(ct);

        var allSalesByMonth = soDatesRaw
            .Where(x => x.OrderDate.HasValue)
            .GroupBy(x => new { x.OrderDate!.Value.Year, x.OrderDate.Value.Month })
            .OrderByDescending(g => g.Key.Year).ThenByDescending(g => g.Key.Month)
            .Take(6)
            .Reverse()
            .Select(g => new { g.Key.Year, g.Key.Month, Sales = g.Sum(x => (double)x.Amount) })
            .ToList();

        var allPurchaseByMonth = poDatesRaw
            .Where(x => x.OrderDate.HasValue)
            .GroupBy(x => new { x.OrderDate!.Value.Year, x.OrderDate.Value.Month })
            .ToList();

        var monthlyLabels = new[] { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
        var revenueTrend = allSalesByMonth
            .Select(ym =>
            {
                var purchaseAmount = allPurchaseByMonth
                    .Where(g => g.Key.Year == ym.Year && g.Key.Month == ym.Month)
                    .Sum(g => g.Sum(x => (double)x.Amount));
                return new ChartDataPoint
                {
                    Label = monthlyLabels[ym.Month - 1],
                    SalesAmount = Math.Round(ym.Sales / 1000.0, 1),
                    PurchaseAmount = Math.Round(purchaseAmount / 1000.0, 1)
                };
            }).ToList();

        // ---- MRR ----
        var mrr = await _context.Invoice
            .Where(x => x.InvoiceStatus == InvoiceStatus.Confirmed && x.CreatedAt >= start)
            .SumAsync(x => x.SalesOrder != null ? x.SalesOrder.AfterTaxAmount ?? 0 : 0, ct);

        // ---- Conversion metrics ----
        var invoicesPaid = await _context.Invoice.CountAsync(x => x.InvoiceStatus == InvoiceStatus.FullPaid, ct);
        var invoicesConfirmed = await _context.Invoice.CountAsync(x => x.InvoiceStatus == InvoiceStatus.Confirmed, ct);

        var conversionMetrics = new List<ConversionMetricDto>
        {
            new() { Label = "Patients->Booked", Current = activeBookings, Target = totalPatients, PctValue = totalPatients > 0 ? Math.Round((double)activeBookings / totalPatients * 100, 1) : 0, BarColor = "#2563eb" },
            new() { Label = "Booked->Done", Current = completedBookings, Target = totalBookings > 0 ? totalBookings : 1, PctValue = totalBookings > 0 ? Math.Round((double)completedBookings / totalBookings * 100, 1) : 0, BarColor = "#f97316" },
            new() { Label = "Invoice->Paid", Current = invoicesPaid, Target = invoicesConfirmed, PctValue = invoicesConfirmed > 0 ? Math.Round((double)invoicesPaid / invoicesConfirmed * 100, 1) : 0, BarColor = "#ec4899" },
            new() { Label = "Overall CVR", Current = completedBookings, Target = totalPatients, PctValue = totalPatients > 0 ? Math.Round((double)completedBookings / totalPatients * 100, 1) : 0, BarColor = "#10b981" }
        };

        // ---- Pipeline summary ----
        var pipelineSummaryList = new List<PipelineSummaryDto>
        {
            new() { Label = "Total Bookings", Value = totalBookings, FormattedValue = totalBookings.ToString("N0"), IconColorClass = "gc1" },
            new() { Label = "Completed", Value = completedBookings, FormattedValue = completedBookings.ToString("N0"), IconColorClass = "gc10" },
            new() { Label = "Avg Booking", Value = 0, FormattedValue = "0", IconColorClass = "gc2" }
        };

        // ---- MTD values ----
        var salesMTD = soDatesRaw
            .Where(x => x.OrderDate >= start)
            .Sum(x => x.Amount);
        var totalReceivable = await _context.Invoice
            .Where(x => x.InvoiceStatus == InvoiceStatus.Confirmed)
            .SumAsync(x => x.SalesOrder != null ? x.SalesOrder.AfterTaxAmount ?? 0 : 0, ct);

        // ---- Revenue metrics ----
        var arBalance = await _context.Invoice
            .Where(x => x.InvoiceStatus != InvoiceStatus.FullPaid && x.InvoiceStatus == InvoiceStatus.Confirmed)
            .SumAsync(x => x.SalesOrder != null ? x.SalesOrder.AfterTaxAmount ?? 0 : 0, ct);
        var collectionRate = invoicesConfirmed > 0 ? Math.Round((double)invoicesPaid / invoicesConfirmed * 100, 1) : 0;

        var revenueMetrics = new List<RevenueMetricDto>
        {
            new() { Label = "MTD Revenue", Value = salesMTD, FormattedValue = DashboardScmResponse.FormatCurrency(salesMTD), Color = "#2563eb" },
            new() { Label = "Total Receivable", Value = totalReceivable, FormattedValue = DashboardScmResponse.FormatCurrency(totalReceivable), Color = "#f97316" },
            new() { Label = "AR Balance", Value = arBalance, FormattedValue = DashboardScmResponse.FormatCurrency(arBalance), Color = "#e11d48" },
            new() { Label = "Collection Rate", Value = (decimal)collectionRate, FormattedValue = collectionRate.ToString("F1") + "%", Color = "#10b981" }
        };

        // ---- Computed rates ----
        var overallConversionRate = totalPatients > 0 ? Math.Round((double)completedBookings / totalPatients * 100, 1) : 0;
        var slaPercentage = totalBookings > 0 ? Math.Round((double)completedBookings / totalBookings * 100, 1) : 94.2;
        var enterprisePercentage = totalPatients > 0 ? Math.Round((double)(await _context.Patient.CountAsync(x => x.PatientCategory != null && x.PatientCategory.Name == "VIP", ct)) / totalPatients * 100, 1) : 35;

        // ---- Cashflow MTD ----
        var cashflowInflow = await _context.PaymentReceive
            .Where(x => x.PaymentDate >= start)
            .SumAsync(x => x.PaymentAmount ?? 0, ct);
        var cashflowOutflow = await _context.PaymentDisburse
            .Where(x => x.PaymentDate >= start)
            .SumAsync(x => x.PaymentAmount ?? 0, ct);

        var res = new DashboardScmResponse
        {
            // Original properties
            PendingSO = await _context.SalesOrder.CountAsync(x => x.OrderStatus == SalesOrderStatus.Draft, ct),
            PendingPO = await _context.PurchaseOrder.CountAsync(x => x.OrderStatus == PurchaseOrderStatus.Draft, ct),
            PendingInvoice = await _context.Invoice.CountAsync(x => x.InvoiceStatus == InvoiceStatus.Draft, ct),
            PendingBill = await _context.Bill.CountAsync(x => x.BillStatus == BillStatus.Draft, ct),
            TotalCustomer = totalPatients,
            TotalVendor = await _context.Vendor.CountAsync(ct),
            SalesMTD = salesMTD,
            PurchaseMTD = await _context.PurchaseOrder.Where(x => x.OrderDate >= start).SumAsync(x => x.AfterTaxAmount ?? 0, ct),
            TotalReceivable = totalReceivable,
            TotalPayable = await _context.Bill.Where(x => x.BillStatus == BillStatus.Confirmed).SumAsync(x => x.PurchaseOrder != null ? x.PurchaseOrder.AfterTaxAmount ?? 0 : 0, ct),
            DocGrid = docGrid,
            GlobalFlowLog = globalLogs,
            TopProductsByQty = topProds,
            CustGroupStats = patientGroupStats.Select(p => new ScmMetricDto { Label = p.Label, Value = p.Value }).ToList(),
            VendGroupStats = vendGroups,
            PayMethodStats = payMethods,
            CashFlowMTD = new List<ScmMetricDto> {
                new() { Label = "Inflow (Receive)", Value = cashflowInflow.ToString("N0"), Color = "#10b981" },
                new() { Label = "Outflow (Disburse)", Value = cashflowOutflow.ToString("N0"), Color = "#ef4444" }
            },

            // CMS-specific properties
            TotalPatients = totalPatients,
            TotalBookings = totalBookings,
            TotalMedicalRecords = totalMedicalRecords,
            ActiveAppointments = activeBookings,
            MRR = mrr,
            BookingCompletionRate = bookingCompletionRate,
            TotalEmployees = totalEmployees,
            TotalProducts = totalProducts,
            AvgBookingValue = 0,
            OverallConversionRate = overallConversionRate,
            PatientRetentionRate = 92.4,
            SlaPercentage = slaPercentage,
            EnterprisePercentage = enterprisePercentage,
            TargetCvr = 5.0,

            DealStages = bookingStages.Select(b => new DealStageDto { Stage = b.Stage, Count = b.Count, Color = b.Color }).ToList(),
            LeadSources = leadSources,
            ConversionMetrics = conversionMetrics,
            SalesActivities = salesActivities,
            RecentDeals = recentDeals,
            ActivityFeeds = activityFeeds,
            PipelineSummary = pipelineSummaryList,
            RevenueTrend = revenueTrend,
            PatientDistribution = patientGroupStats,
            BookingStages = bookingStages,
            RecentBookings = recentBookings,
            AppointmentActivities = medicalRecords,
            RevenueMetrics = revenueMetrics
        };

        return res;
    }
}