using System;
using System.Collections.Generic;

namespace GB5Shared.ScanIdentifier
{
    // Mirrors FM/FMDAL/DTO/ScanIdentifier/ScanIdentifierDTO.cs's confirmed MSCANIDENTIFIER shape,
    // plus the two print-lifecycle columns this platform adds (PrintCount/LastPrintedOn — FM's own
    // flow never needed them). EntityId stays string for the same reason FM's DTO documents: the
    // bridge spans mixed-key-type targets via EntityType+EntityId, not a hard FK.
    public sealed class GeneratedScanIdentifierDTO
    {
        public int ScanIdentifierId { get; set; }
        public byte IdentifierType { get; set; }
        public string IdentifierValue { get; set; } = string.Empty;
        public string EntityType { get; set; } = string.Empty;
        public string EntityId { get; set; } = string.Empty;
        public DateTime ValidFrom { get; set; }
        public DateTime? ValidTo { get; set; }
        public byte Status { get; set; } = 1;
        public int PrintCount { get; set; }
        public DateTime? LastPrintedOn { get; set; }
        public int TenantId { get; set; } = -1;
    }

    // MSCANTARGETCONFIG row — "details supplied as data" driving the generic engine's behavior
    // per EntityType, tenant-overridable (TenantId=-1 is the global default).
    public sealed class ScanTargetConfigDTO
    {
        public int ScanTargetConfigId { get; set; }
        public string EntityType { get; set; } = string.Empty;
        public byte DefaultIdentifierType { get; set; } = 2;   // 2 = QR
        public byte ValueScheme { get; set; }                  // 0 EmbedId, 1 OpaqueCode
        public string? Prefix { get; set; }                    // used only when ValueScheme=0; null falls back to EntityType
        public bool AllowMultiQty { get; set; }
        public int? MaxQty { get; set; }
        public int? DefaultLabelTypeId { get; set; }
        public int? DefaultPrinterTypeId { get; set; }
        public int TenantId { get; set; } = -1;
    }

    public sealed class GenerateScanIdentifierRequestDTO
    {
        public required string EntityType { get; init; }
        public required string EntityId { get; init; }
        public int Quantity { get; init; } = 1;
        public byte? IdentifierType { get; init; }  // null = use MSCANTARGETCONFIG default
    }

    public sealed class GenerateScanIdentifierResultDTO
    {
        public IReadOnlyList<GeneratedScanIdentifierDTO> Generated { get; init; } = [];
    }

    // MGCM row (PRINTTYPE or BARLABEL) — read directly from MGCM, WI has no reason to own its own copy.
    public sealed class GcmPicklistDTO
    {
        public int GcmId { get; set; }
        public string Code { get; set; } = string.Empty;
        public string Name { get; set; } = string.Empty;
    }

    // MLABELTEMPLATE row — the real physical dimensions a BARLABEL MGCM row doesn't itself carry.
    public sealed class LabelTemplateDTO
    {
        public int LabelTemplateId { get; set; }
        public int GcmId { get; set; }
        public decimal WidthMm { get; set; }
        public decimal HeightMm { get; set; }
        public short LabelsPerSheet { get; set; } = 1;
    }

    public sealed class PrintBatchRequestDTO
    {
        public required List<int> ScanIdentifierIds { get; init; }
        public required int LabelTypeGcmId { get; init; }
    }
}