From 299d2032bccd1838c8d3815a36f9f16069bfd7f5 Mon Sep 17 00:00:00 2001
From: Christian Vidal Wolf <christianvidalwolf@gmail.com>
Date: Thu, 5 Feb 2026 08:44:33 +0100
Subject: [PATCH] feat: Improve Buy Box header detection and add Spanish
 aliases

---
 services/dataProcessor.ts | 26 +++++++++++++++++++++-----
 1 file changed, 21 insertions(+), 5 deletions(-)

diff --git a/services/dataProcessor.ts b/services/dataProcessor.ts
index 052aa9e..b09c0ff 100644
--- a/services/dataProcessor.ts
+++ b/services/dataProcessor.ts
@@ -2180,7 +2180,23 @@ export const processBuyBoxExcel = async (fileOrBuffer: File | ArrayBuffer): Prom
             const jsonData: any[][] = XLSX.utils.sheet_to_json(worksheet, { header: 1 });
             if (jsonData.length === 0) continue;
 
-            const headers: any[] = jsonData[0] || [];
+            // Find the header row (first row with ASIN or similar)
+            let headerRowIdx = 0;
+            let headers: any[] = jsonData[0] || [];
+            for (let r = 0; r < Math.min(jsonData.length, 10); r++) {
+                const rowData = jsonData[r];
+                if (!rowData) continue;
+                const isHeader = rowData.some(cell => {
+                    const s = String(cell || '').toUpperCase().trim();
+                    return s === 'ASIN' || s.includes('AMAZON ASIN') || s.includes('PRODUCT ID') || s.includes('SKU');
+                });
+                if (isHeader) {
+                    headerRowIdx = r;
+                    headers = rowData;
+                    break;
+                }
+            }
+
             const asinIdx = headers.findIndex(h => {
                 const s = String(h || '').toUpperCase().trim();
                 return s === 'ASIN' || s.includes('AMAZON ASIN') || s.includes('IDENTIFIER') || s.includes('PRODUCT ID') || s.includes('SKU');
@@ -2190,7 +2206,7 @@ export const processBuyBoxExcel = async (fileOrBuffer: File | ArrayBuffer): Prom
             // Dynamically find the "Issue Type" or "Reason" column
             let reasonIdx = headers.findIndex(h => {
                 const s = String(h || '').toUpperCase();
-                return s.includes('ISSUE TYPE') || s.includes('REASON') || s.includes('BUY BOX STATUS') || s.includes('LBB REASON') || s.includes('ESTADO BB') || s.includes('COMENTARIO');
+                return s.includes('ISSUE TYPE') || s.includes('REASON') || s.includes('BUY BOX STATUS') || s.includes('LBB REASON') || s.includes('ESTADO BB') || s.includes('COMENTARIO') || s.includes('MOTIVO') || s.includes('CAUSA');
             });
 
             // Fallback to previous hardcoded indices if header search fails
@@ -2203,10 +2219,10 @@ export const processBuyBoxExcel = async (fileOrBuffer: File | ArrayBuffer): Prom
                 else reasonIdx = 13;
             }
 
-            console.log(`[BuyBox] Sheet "${sheetName}" (Country: ${config.country}): ASIN Col=${finalAsinIdx} ("${headers[finalAsinIdx]}"), Reason Col=${reasonIdx} ("${headers[reasonIdx] || 'N/A'}")`);
+            console.log(`[BuyBox] Sheet "${sheetName}" (Country: ${config.country}): HeaderRow=${headerRowIdx}, ASIN Col=${finalAsinIdx} ("${headers[finalAsinIdx]}"), Reason Col=${reasonIdx} ("${headers[reasonIdx] || 'N/A'}")`);
 
-            // Skip header row (index 0)
-            for (let i = 1; i < jsonData.length; i++) {
+            // Skip header row and all rows above it
+            for (let i = headerRowIdx + 1; i < jsonData.length; i++) {
                 const row = jsonData[i];
                 if (!row || row.length <= Math.max(finalAsinIdx, reasonIdx)) continue;