From cd1066f20386ee31f686f35d104626b7c65792f2 Mon Sep 17 00:00:00 2001
From: Eduardo Lopes <155753879+eduardolopesx03@users.noreply.github.com>
Date: Wed, 28 Jan 2026 09:32:05 -0300
Subject: [PATCH] Import multiple chip virgens tables

---
 Controllers/LinesController.cs | 88 ++++++++++++++++++++++------------
 1 file changed, 57 insertions(+), 31 deletions(-)

diff --git a/Controllers/LinesController.cs b/Controllers/LinesController.cs
index 028206f..464f1a9 100644
--- a/Controllers/LinesController.cs
+++ b/Controllers/LinesController.cs
@@ -1346,48 +1346,56 @@ namespace line_gestao_api.Controllers
 
             if (ws == null) return;
 
-            var headerRow = ws.RowsUsed().FirstOrDefault(r => r.CellsUsed().Any(c => NormalizeHeader(c.GetString()) == "ITEM"));
-            if (headerRow == null) return;
-
-            var map = BuildHeaderMap(headerRow);
-            int colItem = GetCol(map, "ITEM");
-            if (colItem == 0) return;
-
-            var startRow = headerRow.RowNumber() + 1;
-            var lastRow = ws.LastRowUsed()?.RowNumber() ?? startRow;
+            var headers = ws.RowsUsed()
+                .Where(IsChipsVirgensHeader)
+                .OrderBy(r => r.RowNumber())
+                .ToList();
+            if (headers.Count == 0) return;
 
             await _db.ChipVirgemLines.ExecuteDeleteAsync();
 
             var buffer = new List<ChipVirgemLine>(500);
+            var lastRow = ws.LastRowUsed()?.RowNumber() ?? 1;
 
-            for (int r = startRow; r <= lastRow; r++)
+            for (int i = 0; i < headers.Count; i++)
             {
-                var itemStr = GetCellString(ws, r, colItem);
-                if (string.IsNullOrWhiteSpace(itemStr)) break;
+                var headerRow = headers[i];
+                var map = BuildHeaderMap(headerRow);
+                int colItem = GetCol(map, "ITEM");
+                if (colItem == 0) continue;
 
-                var numeroChip = NullIfEmptyDigits(GetCellByHeaderAny(ws, r, map,
-                    "Nº DO CHIP", "N° DO CHIP", "NUMERO DO CHIP", "N DO CHIP", "NUM. DO CHIP"));
-                var observacoes = GetCellByHeaderAny(ws, r, map, "OBSERVAÇÕES", "OBSERVACOES", "OBS");
+                var startRow = headerRow.RowNumber() + 1;
+                var endRow = i + 1 < headers.Count ? headers[i + 1].RowNumber() - 1 : lastRow;
 
-                var now = DateTime.UtcNow;
-
-                var e = new ChipVirgemLine
+                for (int r = startRow; r <= endRow; r++)
                 {
-                    Id = Guid.NewGuid(),
-                    Item = TryInt(itemStr),
-                    NumeroDoChip = numeroChip,
-                    Observacoes = string.IsNullOrWhiteSpace(observacoes) ? null : observacoes.Trim(),
-                    CreatedAt = now,
-                    UpdatedAt = now
-                };
+                    var itemStr = GetCellString(ws, r, colItem);
+                    if (string.IsNullOrWhiteSpace(itemStr)) continue;
 
-                buffer.Add(e);
+                    var numeroChip = NullIfEmptyDigits(GetCellByHeaderAny(ws, r, map,
+                        "Nº DO CHIP", "N° DO CHIP", "NUMERO DO CHIP", "N DO CHIP", "NUM. DO CHIP"));
+                    var observacoes = GetCellByHeaderAny(ws, r, map, "OBSERVAÇÕES", "OBSERVACOES", "OBS");
 
-                if (buffer.Count >= 500)
-                {
-                    await _db.ChipVirgemLines.AddRangeAsync(buffer);
-                    await _db.SaveChangesAsync();
-                    buffer.Clear();
+                    var now = DateTime.UtcNow;
+
+                    var e = new ChipVirgemLine
+                    {
+                        Id = Guid.NewGuid(),
+                        Item = TryInt(itemStr),
+                        NumeroDoChip = numeroChip,
+                        Observacoes = string.IsNullOrWhiteSpace(observacoes) ? null : observacoes.Trim(),
+                        CreatedAt = now,
+                        UpdatedAt = now
+                    };
+
+                    buffer.Add(e);
+
+                    if (buffer.Count >= 500)
+                    {
+                        await _db.ChipVirgemLines.AddRangeAsync(buffer);
+                        await _db.SaveChangesAsync();
+                        buffer.Clear();
+                    }
                 }
             }
 
@@ -1590,6 +1598,24 @@ namespace line_gestao_api.Controllers
             return false;
         }
 
+        private static bool IsChipsVirgensHeader(IXLRow row)
+        {
+            var hasItem = false;
+            var hasNumeroChip = false;
+
+            foreach (var cell in row.CellsUsed())
+            {
+                var k = NormalizeHeader(cell.GetString());
+                if (k == "ITEM") hasItem = true;
+                if (k == "NODOCHIP" || k == "NUMERODOCHIP" || k == "NDOCHIP" || k == "NUMDOCHIP")
+                {
+                    hasNumeroChip = true;
+                }
+            }
+
+            return hasItem && hasNumeroChip;
+        }
+
         // ==========================================================
         // HELPERS (SEUS)
         // ==========================================================