PowderCoatingLogix/src/PowderCoating.Web/ViewModels/Reports/JobProfitabilityViewModel.cs

namespace PowderCoating.Web.ViewModels.Reports;

public class JobProfitabilityViewModel : ReportViewModelBase
{
    public bool TimeTrackedOnly { get; set; }

    // ── Summary KPIs ──────────────────────────────────────────────────────

    public int TotalJobs { get; set; }
    public int JobsWithTimeEntries { get; set; }
    public decimal TotalRevenue { get; set; }
    public decimal TotalCollected { get; set; }
    public decimal TotalEstimatedCost { get; set; }
    public decimal TotalActualHours { get; set; }

    /// <summary>Average margin % across jobs that have at least some cost data.</summary>
    public decimal AvgMarginPercent { get; set; }

    // ── Detail rows ───────────────────────────────────────────────────────

    public List<JobProfitabilityItem> Items { get; set; } = new();
}

public class JobProfitabilityItem
{
    public int JobId { get; set; }
    public string JobNumber { get; set; } = string.Empty;
    public string CustomerName { get; set; } = string.Empty;
    public string StatusName { get; set; } = string.Empty;
    public string StatusColorClass { get; set; } = "bg-secondary";
    public DateTime JobDate { get; set; }

    /// <summary>The invoiced / final price of the job.</summary>
    public decimal FinalPrice { get; set; }

    /// <summary>How much has actually been collected on the linked invoice.</summary>
    public decimal AmountCollected { get; set; }

    /// <summary>Total hours logged via time entries.</summary>
    public decimal ActualHours { get; set; }

    /// <summary>ActualHours × StandardLaborRate.</summary>
    public decimal ActualLaborCost { get; set; }

    /// <summary>
    /// Sum of (ActualPowderUsedLbs ?? PowderToOrder) × PowderCostPerLb across all coats.
    /// Zero when no coat has pricing data.
    /// </summary>
    public decimal ActualPowderCost { get; set; }

    public decimal EstimatedTotalCost => ActualLaborCost + ActualPowderCost;

    public decimal GrossMargin => FinalPrice - EstimatedTotalCost;

    public decimal MarginPercent => FinalPrice > 0
        ? Math.Round(GrossMargin / FinalPrice * 100, 1)
        : 0;

    /// <summary>True when at least one JobTimeEntry exists for this job.</summary>
    public bool HasTimeEntries { get; set; }
}