namespace ComplianceDAL.DTO.CanonicalInvoice;

public class CanonicalInvoiceDTO
{
    public int DocumentId { get; set; }
    public string DocumentNumber { get; set; } = string.Empty;
    public DateTime DocumentDate { get; set; }
    public string DocumentType { get; set; } = string.Empty;
    public string SupplyType { get; set; } = string.Empty;

    public CanonicalPartyDTO Supplier { get; set; } = new();
    public CanonicalPartyDTO Receiver { get; set; } = new();

    public List<CanonicalLineDTO> Lines { get; set; } = [];

    public decimal TotalTaxableValue { get; set; }
    public decimal TotalIGSTAmount { get; set; }
    public decimal TotalCGSTAmount { get; set; }
    public decimal TotalSGSTAmount { get; set; }
    public decimal TotalCessAmount { get; set; }
    public decimal TotalInvoiceValue { get; set; }

    public string POS { get; set; } = string.Empty;
    public bool IsExport { get; set; }
    public bool IsReverseCharge { get; set; }
    public string ShippingBillNumber { get; set; } = string.Empty;
    public DateTime? ShippingBillDate { get; set; }
    public string EComGSTIN { get; set; } = string.Empty;

    // Header-level charges — sourced from the TMMCHARGESPIVOT row where DOCUMENTDETAILID = -1
    public decimal DiscountAmount { get; set; }
    public decimal OtherChargesAmount { get; set; }
    public decimal RoundOffAmount { get; set; }

    // Populated only when the document has a distinct ship-to address from the bill-to (Receiver)
    public CanonicalPartyDTO? ShipTo { get; set; }

    // Transport fields — populated when building for E-Way Bill generation
    public string? TransporterGSTIN { get; set; }
    public string? TransporterName { get; set; }
    public string? VehicleNumber { get; set; }
    public int TransportMode { get; set; } = 1;
    public int Distance { get; set; }
}

public class CanonicalPartyDTO
{
    public string GSTIN { get; set; } = string.Empty;
    public string LegalName { get; set; } = string.Empty;
    public string TradeName { get; set; } = string.Empty;
    public string Address1 { get; set; } = string.Empty;
    public string Address2 { get; set; } = string.Empty;
    public string City { get; set; } = string.Empty;
    public string Pincode { get; set; } = string.Empty;
    public string StateCode { get; set; } = string.Empty;
    public string StateName { get; set; } = string.Empty;
    public string PAN { get; set; } = string.Empty;
    public string Email { get; set; } = string.Empty;
    public string Phone { get; set; } = string.Empty;
}

public class CanonicalLineDTO
{
    public int LineNumber { get; set; }
    public int ItemId { get; set; }
    public string ItemCode { get; set; } = string.Empty;
    public string ItemName { get; set; } = string.Empty;
    public string HSNCode { get; set; } = string.Empty;
    public string UOM { get; set; } = string.Empty;
    public decimal Quantity { get; set; }
    public decimal Rate { get; set; }
    public decimal Value { get; set; }
    public decimal Discount { get; set; }
    public decimal OtherCharges { get; set; }
    public decimal TaxableValue { get; set; }
    public decimal IGSTRate { get; set; }
    public decimal IGSTAmount { get; set; }
    public decimal CGSTRate { get; set; }
    public decimal CGSTAmount { get; set; }
    public decimal SGSTRate { get; set; }
    public decimal SGSTAmount { get; set; }
    public decimal CessRate { get; set; }
    public decimal CessAmount { get; set; }
    public string ItemNature { get; set; } = string.Empty;
}

public class InvoicePostedEvent
{
    public int DocumentId { get; set; }
    public string DocumentType { get; set; } = string.Empty;
    public string GSTIN { get; set; } = string.Empty;
    public string Framework { get; set; } = "GST_INDIA";
    public int ClientId { get; set; }
    public string DatabaseName { get; set; } = string.Empty;
    public int UserId { get; set; }
}