namespace QMSDAL.DTO
{
    // ─────────────────────────────────────────────────────────────────────────
    // MatrixGenerationResultDTO
    // Returned by GenerateMatrixLots (preview) and ActivateMatrix (save).
    // Supports Set View + FG View UI.
    // Does NOT replace ActivationResultDTO — both coexist.
    // ─────────────────────────────────────────────────────────────────────────
    public class MatrixGenerationResultDTO
    {
        // ── Header banner ─────────────────────────────────────────────────────
        /// <summary>"52 serial numbers ready"</summary>
        public string HeaderTitle { get; set; } = string.Empty;

        /// <summary>"4 sets · SO-2024-0031 · Hull Panel Set · Review and save below"</summary>
        public string HeaderSubtitle { get; set; } = string.Empty;

        /// <summary>Top-right counter: 4 SETS</summary>
        public int TotalSets { get; set; }

        /// <summary>Top-right counter: 52 SERIALS</summary>
        public int TotalSerials { get; set; }

        /// <summary>Top-right counter: 5 FG TYPES</summary>
        public int TotalFGTypes { get; set; }

        // ── Footer save bar ───────────────────────────────────────────────────
        /// <summary>"52 serial numbers ready to save"</summary>
        public string FooterTitle { get; set; } = string.Empty;

        /// <summary>"SO-2024-0031 · Hull Panel Set · Sets 1–4"</summary>
        public string FooterSubtitle { get; set; } = string.Empty;

        // ── Context ───────────────────────────────────────────────────────────
        /// <summary>Raw DB MatrixId — populated after ActivateMatrix</summary>
        public int MatrixId { get; set; }

        /// <summary>Matrix code e.g. "MAT2026-15/6"</summary>
        public string MatrixCode { get; set; } = string.Empty;

        /// <summary>SO number e.g. "SO000034/2627"</summary>
        public string SONumber { get; set; } = string.Empty;

        /// <summary>FG item name e.g. "REAR MIDDLE NACELLE COVER"</summary>
        public string ProductName { get; set; } = string.Empty;

        /// <summary>"Sets 1–4"</summary>
        public string SetRange { get; set; } = string.Empty;

        // ── Counts for success screen ─────────────────────────────────────────
        /// <summary>SET lots + FG serial lots — shown as "44 TLOT RECORDS"</summary>
        public int TLotRecords { get; set; }

        /// <summary>System reference e.g. "SER-2026-54598"</summary>
        public string Reference { get; set; } = string.Empty;

        // ── Set View ──────────────────────────────────────────────────────────
        /// <summary>One entry per set — used for Set View tab</summary>
        public List<GeneratedSetDTO> Sets { get; set; } = [];

        // ── FG View ───────────────────────────────────────────────────────────
        /// <summary>One entry per FG item type — used for FG View tab</summary>
        public List<GeneratedFGItemDTO> FGItems { get; set; } = [];

        // ── Composition dashboard ────────────────────────────────────────────
        /// <summary>Product Composition & Next Serial Numbers dashboard (MBOM/TLOT-only).</summary>
        public MatrixCompositionDTO? Composition { get; set; }
    }

    // ─────────────────────────────────────────────────────────────────────────
    // Set View — one set block
    // UI: Set 1  [SET-000001]  13 serials  PLANNED
    // ─────────────────────────────────────────────────────────────────────────
    public class GeneratedSetDTO
    {
        /// <summary>Set number: 1, 2, 3, 4</summary>
        public int SetNumber { get; set; }

        /// <summary>Display code: "SET-000001"</summary>
        public string SetCode { get; set; } = string.Empty;

        /// <summary>Raw DB SET lot ID — used for internal DB operations</summary>
        public int SetLotId { get; set; }

        /// <summary>Total FG serials in this set: 13</summary>
        public int TotalSerials { get; set; }

        /// <summary>"PLANNED"</summary>
        public string Status { get; set; } = "PLANNED";

        /// <summary>FG items with their serials for this set</summary>
        public List<GeneratedSetFGItemDTO> FGItems { get; set; } = [];
    }

    // ─────────────────────────────────────────────────────────────────────────
    // Set View — one FG item row inside a set
    // UI: Outer Hull Panel  FG-011  2×  [01 OHP-0011] [02 OHP-0012]
    // ─────────────────────────────────────────────────────────────────────────
    public class GeneratedSetFGItemDTO
    {
        public string FGItemName { get; set; } = string.Empty;
        public string FGItemCode { get; set; } = string.Empty;

        /// <summary>Qty per set: 2×, 4×, 1×. Can be large (e.g. 2600 for bulk/weight items).</summary>
        public int QtyPerSet { get; set; }

        /// <summary>
        /// Slot-numbered serials for this FG item in this set — capped at a display
        /// limit (see MatrixBLL.MAX_SERIAL_TILES_PER_ITEM). Use TotalSerialsForItem /
        /// SerialRangeFrom / SerialRangeTo for the true full count and range when
        /// QtyPerSet exceeds the cap.
        /// </summary>
        public List<GeneratedSerialDTO> Serials { get; set; } = [];

        /// <summary>True serial count for this item in this set (== QtyPerSet). May exceed Serials.Count.</summary>
        public int TotalSerialsForItem { get; set; }

        /// <summary>First serial number for this item in this set (always populated, even if capped).</summary>
        public string SerialRangeFrom { get; set; } = string.Empty;

        /// <summary>Last serial number for this item in this set (always populated, even if capped).</summary>
        public string SerialRangeTo { get; set; } = string.Empty;
    }

    // ─────────────────────────────────────────────────────────────────────────
    // Set View — one serial tile inside a set's FG item
    // UI tile:  01  OHP-0011
    // ─────────────────────────────────────────────────────────────────────────
    public class GeneratedSerialDTO
    {
        /// <summary>Slot number within this set: 01, 02, 03</summary>
        public int SlotNumber { get; set; }

        /// <summary>
        /// Global running sequence per FG item across all sets.
        /// Frontend uses: FGItemPrefix + RunningNumber → "OHP-0011"
        /// e.g. RunningNumber=11 + prefix "OHP" → "OHP-0011"
        /// </summary>
        public int RunningNumber { get; set; }

        /// <summary>Raw DB lot ID — used for internal DB operations</summary>
        public int LotId { get; set; }

        /// <summary>Raw lot number string from DB e.g. "-1499999717"</summary>
        public string LotNumber { get; set; } = string.Empty;
    }

    // ─────────────────────────────────────────────────────────────────────────
    // FG View — one FG item block
    // UI: Outer Hull Panel  FG-011  8 serials  ▼
    //     S1 OHP-0011  S1 OHP-0012  S2 OHP-0013 ...
    // ─────────────────────────────────────────────────────────────────────────
    public class GeneratedFGItemDTO
    {
        public int RowNumber { get; set; }
        public string FGItemName { get; set; } = string.Empty;
        public string FGItemCode { get; set; } = string.Empty;

        /// <summary>True total serials across all requested sets for this FG type — may exceed Serials.Count when capped.</summary>
        public int TotalSerials { get; set; }

        /// <summary>All serials with set label — S1, S2, S3... Capped at a display limit; see TotalSerials for the true count.</summary>
        public List<GeneratedFGSerialDTO> Serials { get; set; } = [];

        /// <summary>First serial number for this item across the whole run (always populated, even if capped).</summary>
        public string SerialRangeFrom { get; set; } = string.Empty;

        /// <summary>Last serial number for this item across the whole run (always populated, even if capped).</summary>
        public string SerialRangeTo { get; set; } = string.Empty;
    }

    // ─────────────────────────────────────────────────────────────────────────
    // FG View — one serial tile
    // UI tile:  S1  OHP-0011
    // ─────────────────────────────────────────────────────────────────────────
    public class GeneratedFGSerialDTO
    {
        /// <summary>Set label: "S1", "S2", "S3", "S4"</summary>
        public string SetLabel { get; set; } = string.Empty;

        /// <summary>
        /// Global running sequence per FG item.
        /// Frontend uses: FGItemPrefix + RunningNumber → "OHP-0011"
        /// </summary>
        public int RunningNumber { get; set; }

        /// <summary>Raw DB lot ID — used for internal DB operations</summary>
        public int LotId { get; set; }

        /// <summary>Raw lot number string from DB</summary>
        public string LotNumber { get; set; } = string.Empty;
    }

    // ─────────────────────────────────────────────────────────────────────────
    // ActivationConfirmDTO — Returned by ActivateMatrix (YES, SAVE button)
    // Simple success confirmation shown on the success screen
    // ─────────────────────────────────────────────────────────────────────────
    public class ActivationConfirmDTO
    {
        /// <summary>"40 serial numbers saved"</summary>
        public string Title { get; set; } = string.Empty;

        /// <summary>"Sets 1–4 · SO000034/2627 · REAR MIDDLE NACELLE COVER"</summary>
        public string Subtitle { get; set; } = string.Empty;

        /// <summary>Reference: "SER-2026-54598"</summary>
        public string Reference { get; set; } = string.Empty;

        /// <summary>Total SET lots created</summary>
        public int SetLots { get; set; }

        /// <summary>Total FG serial lots created</summary>
        public int Serials { get; set; }

        /// <summary>Total TLOT records = SetLots + Serials</summary>
        public int TLotRecords { get; set; }

        /// <summary>"Sets 1–4"</summary>
        public string SetRange { get; set; } = string.Empty;

        /// <summary>First lot number generated e.g. "ML00047/2526"</summary>
        public string FirstLotNumber { get; set; } = string.Empty;

        /// <summary>Last lot number generated e.g. "ML00086/2526"</summary>
        public string LastLotNumber { get; set; } = string.Empty;

        /// <summary>Status: "PLANNED"</summary>
        public string Status { get; set; } = "PLANNED";
    }
}