using System.ComponentModel.DataAnnotations;

namespace PowderCoating.Application.DTOs.Inventory;

public class InventoryItemDto
{
    public int Id { get; set; }
    public string SKU { get; set; } = string.Empty;
    public string Name { get; set; } = string.Empty;
    public string? Description { get; set; }
    public int? InventoryCategoryId { get; set; }
    public string? CategoryName { get; set; }
    public string Category { get; set; } = string.Empty; // Legacy field
    public string? ColorName { get; set; }
    public string? ColorCode { get; set; }
    public string? Finish { get; set; }
    public string? Manufacturer { get; set; }
    public string? ManufacturerPartNumber { get; set; }
    public decimal? CoverageSqFtPerLb { get; set; }
    public decimal? TransferEfficiency { get; set; }
    public int? CureTemperatureF { get; set; }
    public int? CureTimeMinutes { get; set; }
    public string? ColorFamilies { get; set; }
    public bool RequiresClearCoat { get; set; }
    public string? SpecPageUrl { get; set; }
    public string? ImageUrl { get; set; }
    public string? SdsUrl { get; set; }
    public string? TdsUrl { get; set; }
    public decimal QuantityOnHand { get; set; }
    public string UnitOfMeasure { get; set; } = "lbs";
    public decimal ReorderPoint { get; set; }
    public decimal ReorderQuantity { get; set; }
    public decimal MinimumStock { get; set; }
    public decimal MaximumStock { get; set; }
    public decimal UnitCost { get; set; }
    public decimal AverageCost { get; set; }
    public decimal LastPurchasePrice { get; set; }
    public DateTime? LastPurchaseDate { get; set; }
    public int? PrimaryVendorId { get; set; }
    public string? PrimaryVendorName { get; set; }
    public string? VendorPartNumber { get; set; }
    public string? Location { get; set; }
    public string? Notes { get; set; }
    public bool IsActive { get; set; }
    public DateTime? DiscontinuedDate { get; set; }
    public DateTime CreatedAt { get; set; }
    public bool IsLowStock { get; set; }
    public bool IsOutOfStock { get; set; }
    public bool HasSamplePanel { get; set; }

    [Display(Name = "Inventory Asset Account")]
    public int? InventoryAccountId { get; set; }
    public string? InventoryAccountName { get; set; }

    [Display(Name = "COGS Account")]
    public int? CogsAccountId { get; set; }
    public string? CogsAccountName { get; set; }
}

public class InventoryListDto
{
    public int Id { get; set; }
    public string SKU { get; set; } = string.Empty;
    public string Name { get; set; } = string.Empty;
    public int? InventoryCategoryId { get; set; }
    public string? CategoryName { get; set; }
    public string Category { get; set; } = string.Empty; // Legacy field
    public string? ColorName { get; set; }
    public decimal QuantityOnHand { get; set; }
    public string UnitOfMeasure { get; set; } = "lbs";
    public decimal ReorderPoint { get; set; }
    public decimal UnitCost { get; set; }
    public int? PrimaryVendorId { get; set; }
    public string? PrimaryVendorName { get; set; }
    public bool IsActive { get; set; }
    public bool IsLowStock { get; set; }
    public bool IsOutOfStock { get; set; }
    public bool HasSamplePanel { get; set; }
}

public class CreateInventoryItemDto
{
    [Required(ErrorMessage = "SKU is required")]
    [StringLength(50, ErrorMessage = "SKU cannot exceed 50 characters")]
    [Display(Name = "SKU")]
    public string SKU { get; set; } = string.Empty;

    [Required(ErrorMessage = "Name is required")]
    [StringLength(200, ErrorMessage = "Name cannot exceed 200 characters")]
    [Display(Name = "Item Name")]
    public string Name { get; set; } = string.Empty;

    [StringLength(2000, ErrorMessage = "Description cannot exceed 2000 characters")]
    [Display(Name = "Description")]
    public string? Description { get; set; }

    [Display(Name = "Category")]
    public int? InventoryCategoryId { get; set; }

    [StringLength(100, ErrorMessage = "Category cannot exceed 100 characters")]
    [Display(Name = "Legacy Category")]
    public string Category { get; set; } = string.Empty; // Legacy field - kept for backward compatibility

    [StringLength(100, ErrorMessage = "Color name cannot exceed 100 characters")]
    [Display(Name = "Color Name")]
    public string? ColorName { get; set; }

    [StringLength(50, ErrorMessage = "Color code cannot exceed 50 characters")]
    [Display(Name = "Color Code")]
    public string? ColorCode { get; set; }

    [StringLength(50, ErrorMessage = "Finish cannot exceed 50 characters")]
    [Display(Name = "Finish")]
    public string? Finish { get; set; }

    [StringLength(100, ErrorMessage = "Manufacturer cannot exceed 100 characters")]
    [Display(Name = "Manufacturer")]
    public string? Manufacturer { get; set; }

    [StringLength(100, ErrorMessage = "Manufacturer part number cannot exceed 100 characters")]
    [Display(Name = "Manufacturer Part Number")]
    public string? ManufacturerPartNumber { get; set; }

    [Range(0, 10000, ErrorMessage = "Coverage must be between 0 and 10,000 sq ft/lb")]
    [Display(Name = "Coverage (Sq Ft/Lb)")]
    public decimal? CoverageSqFtPerLb { get; set; }

    [Range(0, 100, ErrorMessage = "Transfer efficiency must be between 0 and 100%")]
    [Display(Name = "Transfer Efficiency (%)")]
    public decimal? TransferEfficiency { get; set; }

    [Range(200, 500, ErrorMessage = "Cure temperature must be between 200°F and 500°F")]
    [Display(Name = "Cure Temperature (°F)")]
    public int? CureTemperatureF { get; set; }

    [Range(1, 120, ErrorMessage = "Cure time must be between 1 and 120 minutes")]
    [Display(Name = "Cure Time (minutes)")]
    public int? CureTimeMinutes { get; set; }

    [Display(Name = "Color Families")]
    public string? ColorFamilies { get; set; }

    [Display(Name = "Requires Clear Coat")]
    public bool RequiresClearCoat { get; set; }

    [StringLength(500, ErrorMessage = "URL cannot exceed 500 characters")]
    [Display(Name = "Product URL")]
    public string? SpecPageUrl { get; set; }

    [StringLength(1000, ErrorMessage = "Image URL cannot exceed 1000 characters")]
    [Display(Name = "Product Image URL")]
    public string? ImageUrl { get; set; }

    [StringLength(1000, ErrorMessage = "URL cannot exceed 1000 characters")]
    [Display(Name = "Safety Data Sheet URL")]
    public string? SdsUrl { get; set; }

    [StringLength(1000, ErrorMessage = "URL cannot exceed 1000 characters")]
    [Display(Name = "Technical Data Sheet URL")]
    public string? TdsUrl { get; set; }

    [Range(0, 999999999, ErrorMessage = "Quantity on hand must be 0 or greater")]
    [Display(Name = "Quantity on Hand")]
    public decimal QuantityOnHand { get; set; }

    [Required(ErrorMessage = "Unit of measure is required")]
    [StringLength(20, ErrorMessage = "Unit of measure cannot exceed 20 characters")]
    [Display(Name = "Unit of Measure")]
    public string UnitOfMeasure { get; set; } = "lbs";

    [Range(0, 999999999, ErrorMessage = "Reorder point must be 0 or greater")]
    [Display(Name = "Reorder Point")]
    public decimal ReorderPoint { get; set; }

    [Range(0, 999999999, ErrorMessage = "Reorder quantity must be 0 or greater")]
    [Display(Name = "Reorder Quantity")]
    public decimal ReorderQuantity { get; set; }

    [Range(0, 999999999, ErrorMessage = "Minimum stock must be 0 or greater")]
    [Display(Name = "Minimum Stock")]
    public decimal MinimumStock { get; set; }

    [Range(0, 999999999, ErrorMessage = "Maximum stock must be 0 or greater")]
    [Display(Name = "Maximum Stock")]
    public decimal MaximumStock { get; set; }

    [Range(0, 9999999.99, ErrorMessage = "Unit cost must be between 0 and 9,999,999.99")]
    [Display(Name = "Unit Cost")]
    public decimal UnitCost { get; set; }

    [Display(Name = "Primary Vendor")]
    public int? PrimaryVendorId { get; set; }

    [StringLength(100, ErrorMessage = "Vendor part number cannot exceed 100 characters")]
    [Display(Name = "Vendor Part Number")]
    public string? VendorPartNumber { get; set; }

    [StringLength(200, ErrorMessage = "Location cannot exceed 200 characters")]
    [Display(Name = "Location")]
    public string? Location { get; set; }

    [StringLength(2000, ErrorMessage = "Notes cannot exceed 2000 characters")]
    [Display(Name = "Notes")]
    public string? Notes { get; set; }

    [Display(Name = "Inventory Asset Account")]
    public int? InventoryAccountId { get; set; }

    [Display(Name = "COGS Account")]
    public int? CogsAccountId { get; set; }

    [Display(Name = "Sample Panel on Wall")]
    public bool HasSamplePanel { get; set; }

}

public class UpdateInventoryItemDto : CreateInventoryItemDto
{
    [Required]
    public int Id { get; set; }

    [Display(Name = "Active")]
    public bool IsActive { get; set; }
}

public class InventoryTransactionDto
{
    public int Id { get; set; }
    public int InventoryItemId { get; set; }
    public string ItemName { get; set; } = string.Empty;
    public string SKU { get; set; } = string.Empty;
    public string TransactionType { get; set; } = string.Empty;
    public decimal Quantity { get; set; }
    public decimal UnitCost { get; set; }
    public decimal TotalCost { get; set; }
    public DateTime TransactionDate { get; set; }
    public string? Reference { get; set; }
    public string? Notes { get; set; }
    public decimal BalanceAfter { get; set; }
    public int? PurchaseOrderId { get; set; }
    public string? PurchaseOrderNumber { get; set; }
    public int? JobId { get; set; }
    public string? JobNumber { get; set; }
}

public class PowderUsageLogDto
{
    public int Id { get; set; }
    public int JobId { get; set; }
    public string JobNumber { get; set; } = string.Empty;
    public string? CustomerName { get; set; }
    public int? InventoryItemId { get; set; }
    public string? ItemName { get; set; }
    public string? SKU { get; set; }
    public string? CoatColor { get; set; }
    public decimal ActualLbsUsed { get; set; }
    public decimal EstimatedLbs { get; set; }
    public decimal VarianceLbs { get; set; }
    public DateTime RecordedAt { get; set; }
    public string? Notes { get; set; }
}

public class InventoryLedgerViewModel
{
    public int? InventoryItemId { get; set; }
    public string? SelectedItemName { get; set; }
    public string? SelectedItemSku { get; set; }
    public DateTime? DateFrom { get; set; }
    public DateTime? DateTo { get; set; }
    public string? TypeFilter { get; set; }
    public List<InventoryTransactionDto> Transactions { get; set; } = new();
    public List<PowderUsageLogDto> PowderUsageLogs { get; set; } = new();
    public List<InventoryListDto> AllItems { get; set; } = new();
    public decimal TotalPurchased { get; set; }
    public decimal TotalUsed { get; set; }
    public decimal TotalAdjusted { get; set; }
}