namespace PowderCoating.Core.Entities;

/// <summary>
/// Platform-level master list of powder coating products across all vendors.
/// Not tenant-scoped — no BaseEntity, no CompanyId, no soft delete.
/// Used as a lookup table to auto-fill inventory records without an API call.
/// </summary>
public class PowderCatalogItem
{
    public int Id { get; set; }

    /// <summary>Vendor name — e.g. "Prismatic Powders", "Columbia Coatings". Unique index with Sku.</summary>
    public string VendorName { get; set; } = string.Empty;

    /// <summary>Vendor's product SKU. Unique per vendor.</summary>
    public string Sku { get; set; } = string.Empty;

    public string ColorName { get; set; } = string.Empty;

    /// <summary>Cleaned short description — boilerplate stripped at import time.</summary>
    public string? Description { get; set; }

    /// <summary>Base unit price (lowest quantity tier).</summary>
    public decimal UnitPrice { get; set; }

    /// <summary>Full price tier JSON for future quantity-break pricing support.</summary>
    public string? PriceTiersJson { get; set; }

    public string? ImageUrl { get; set; }
    public string? SdsUrl { get; set; }
    public string? TdsUrl { get; set; }
    public string? ApplicationGuideUrl { get; set; }
    public string? ProductUrl { get; set; }

    // ── Coating specification fields ──────────────────────────────────────

    /// <summary>Cure temperature in degrees Fahrenheit.</summary>
    public decimal? CureTemperatureF { get; set; }

    /// <summary>Cure hold time at cure temperature, in minutes.</summary>
    public int? CureTimeMinutes { get; set; }

    /// <summary>Finish type — e.g. Gloss, Matte, Satin, Metallic, Texture.</summary>
    public string? Finish { get; set; }

    /// <summary>Comma-separated color family tags — e.g. "Blue,Purple".</summary>
    public string? ColorFamilies { get; set; }

    /// <summary>Whether this product requires a clear coat to activate its effect.</summary>
    public bool? RequiresClearCoat { get; set; }

    /// <summary>Theoretical coverage in sq ft per pound. Typical 80–120.</summary>
    public decimal? CoverageSqFtPerLb { get; set; }

    /// <summary>Specific gravity from the TDS. Used to derive theoretical coverage when needed.</summary>
    public decimal? SpecificGravity { get; set; }

    /// <summary>Powder transfer efficiency percentage. Typical 60–75%.</summary>
    public decimal? TransferEfficiency { get; set; }

    // ── Catalog management ────────────────────────────────────────────────

    /// <summary>True when the vendor has discontinued this product. Kept for historical lookups.</summary>
    public bool IsDiscontinued { get; set; } = false;

    /// <summary>True when this record was contributed by a tenant label scan rather than a curated import.</summary>
    public bool IsUserContributed { get; set; } = false;

    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
    public DateTime? UpdatedAt { get; set; }

    /// <summary>Timestamp of the last successful sync run for this record.</summary>
    public DateTime? LastSyncedAt { get; set; }
}