namespace ComplianceDAL.DTO.Analytics;

public class GSTSummaryDTO
{
    public string GSTIN { get; set; } = string.Empty;
    public string ReturnPeriod { get; set; } = string.Empty;
    public decimal TotalTaxableValue { get; set; }
    public decimal TotalIGST { get; set; }
    public decimal TotalCGST { get; set; }
    public decimal TotalSGST { get; set; }
    public decimal TotalCess { get; set; }
    public decimal TotalITCIGST { get; set; }
    public decimal TotalITCCGST { get; set; }
    public decimal TotalITCSGST { get; set; }
    public int TotalDocuments { get; set; }
    public int FiledDocuments { get; set; }
    public int PendingDocuments { get; set; }
    public int RejectedDocuments { get; set; }
}

public class OUWiseGSTSummaryDTO
{
    public int OUId { get; set; }
    public string OUName { get; set; } = string.Empty;
    public string GSTIN { get; set; } = string.Empty;
    public string ReturnPeriod { get; set; } = string.Empty;
    public decimal TaxableValue { get; set; }
    public decimal IGSTAmount { get; set; }
    public decimal CGSTAmount { get; set; }
    public decimal SGSTAmount { get; set; }
    public decimal CessAmount { get; set; }
    public int DocumentCount { get; set; }
}

public class HSNSummaryDTO
{
    public string HSNCode { get; set; } = string.Empty;
    public string Description { get; set; } = string.Empty;
    public string UOM { get; set; } = string.Empty;
    public decimal TotalQuantity { get; set; }
    public decimal TaxableValue { get; set; }
    public decimal IGSTAmount { get; set; }
    public decimal CGSTAmount { get; set; }
    public decimal SGSTAmount { get; set; }
    public decimal CessAmount { get; set; }
}

public class GSTLedgerRowDTO
{
    public string GSTIN { get; set; } = string.Empty;
    public string ReturnPeriod { get; set; } = string.Empty;
    public string LedgerType { get; set; } = string.Empty;  // Liability, ITC, Cash
    public decimal IGSTOpening { get; set; }
    public decimal CGSTOpening { get; set; }
    public decimal SGSTOpening { get; set; }
    public decimal IGSTCredits { get; set; }
    public decimal CGSTCredits { get; set; }
    public decimal SGSTCredits { get; set; }
    public decimal IGSTDebits { get; set; }
    public decimal CGSTDebits { get; set; }
    public decimal SGSTDebits { get; set; }
    public decimal IGSTClosing { get; set; }
    public decimal CGSTClosing { get; set; }
    public decimal SGSTClosing { get; set; }
}

public class ExceptionItemDTO
{
    public string ExceptionType { get; set; } = string.Empty;  // MissingIRN, ReconMismatch, SubmissionFailed, PendingReturn
    public string GSTIN { get; set; } = string.Empty;
    public string ReturnPeriod { get; set; } = string.Empty;
    public string DocumentNumber { get; set; } = string.Empty;
    public string Description { get; set; } = string.Empty;
    public string Severity { get; set; } = string.Empty;
    public DateTime? DocumentDate { get; set; }
    public int? ArtifactId { get; set; }
}

public class FilingStatusCalendarDTO
{
    public string GSTIN { get; set; } = string.Empty;
    public string LegalName { get; set; } = string.Empty;
    public int PeriodYear { get; set; }
    public int PeriodMonth { get; set; }
    public string ReturnType { get; set; } = string.Empty;
    public string Status { get; set; } = string.Empty;   // NotStarted, Draft, Submitted, Filed, Overdue
    public DateTime? DueDate { get; set; }
    public DateTime? FiledOn { get; set; }
    public string? AckNumber { get; set; }
}

public class PeriodSummaryDTO
{
    public int SummaryId { get; set; }
    public string GSTIN { get; set; } = string.Empty;
    public int PeriodYear { get; set; }
    public int PeriodMonth { get; set; }
    public string SummaryType { get; set; } = string.Empty;
    public decimal TotalTaxableValue { get; set; }
    public decimal TotalIGST { get; set; }
    public decimal TotalCGST { get; set; }
    public decimal TotalSGST { get; set; }
    public decimal TotalCess { get; set; }
    public decimal TotalITCIGST { get; set; }
    public decimal TotalITCCGST { get; set; }
    public decimal TotalITCSGST { get; set; }
    public int TotalDocuments { get; set; }
    public int InvalidDocuments { get; set; }
    public DateTime RecomputedOn { get; set; }
}

public class RecomputeSummaryRequestDTO
{
    public string GSTIN { get; set; } = string.Empty;
    public int PeriodYear { get; set; }
    public int PeriodMonth { get; set; }
    public string SummaryType { get; set; } = "GSTR1";
}