Integrate stock availability data and StockBadge component across all views

api/fetch-stock.ts

@@ -0,0 +1,49 @@
+
+import type { VercelRequest, VercelResponse } from '@vercel/node';
+import fs from 'fs';
+import path from 'path';
+
+export default async function handler(req: VercelRequest, res: VercelResponse) {
+    // CORS headers
+    res.setHeader('Access-Control-Allow-Origin', '*');
+    res.setHeader('Access-Control-Allow-Methods', 'GET, OPTIONS');
+    res.setHeader('Access-Control-Allow-Headers', 'Content-Type');
+
+    if (req.method === 'OPTIONS') {
+        return res.status(200).end();
+    }
+
+    try {
+        console.log('[fetch-stock] Reading Stock file from local storage...');
+        // Try multiple possible paths to be robust
+        const pathsToTry = [
+            path.join(process.cwd(), 'Item Availability.xlsx'),
+            path.join(process.cwd(), 'public', 'Item Availability.xlsx'),
+            path.join('/Users/christianvidalwolf/github/CrazeAnalytix', 'Item Availability.xlsx')
+        ];
+
+        let buffer = null;
+        let foundPath = '';
+
+        for (const p of pathsToTry) {
+            console.log(`[fetch-stock] Checking path: ${p}`);
+            if (fs.existsSync(p)) {
+                buffer = fs.readFileSync(p);
+                foundPath = p;
+                break;
+            }
+        }
+
+        if (!buffer) {
+            throw new Error(`Stock file 'Item Availability.xlsx' not found in any of: ${pathsToTry.join(', ')}`);
+        }
+
+        console.log(`[fetch-stock] Successfully read Stock Excel from ${foundPath}, size: ${buffer.byteLength}`);
+
+        res.setHeader('Content-Type', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
+        res.status(200).send(buffer);
+    } catch (error: any) {
+        console.error('[fetch-stock] Error:', error);
+        res.status(500).json({ error: error.message });
+    }
+}

components/AdsPerformance.tsx

@@ -2,6 +2,7 @@ import React, { useMemo, useState, useCallback } from 'react';
 import * as XLSX from 'xlsx';
 import { CombinedKPIs, FilterState } from '../types';
 import { DownloadIcon } from './Icons';
+import { StockBadge } from './StockBadge';
 
 interface AdsPerformanceProps {
     data: CombinedKPIs[];
@@ -10,6 +11,7 @@ interface AdsPerformanceProps {
         eu: Map<string, number>;
         uk: Map<string, number>;
     };
+    stockMap?: Map<string, number>;
 }
 
 type SortKey = keyof CombinedKPIs | 'acos' | 'roas' | 'tacos' | 'ctr' | 'cpc' | 'cvrUnits';
@@ -34,7 +36,7 @@ const Top50Badge: React.FC<{ rank: number; label?: string; theme?: 'amber' | 'bl
     );
 };
 
-const AdsPerformance: React.FC<AdsPerformanceProps> = ({ data, filters, top50Ranking }) => {
+const AdsPerformance: React.FC<AdsPerformanceProps> = ({ data, filters, top50Ranking, stockMap }) => {
     const [searchTerm, setSearchTerm] = useState('');
     const [showOnlyTop50, setShowOnlyTop50] = useState(false);
     const [top50Mode, setTop50Mode] = useState<'eu' | 'uk'>('eu');
@@ -404,6 +406,9 @@ const AdsPerformance: React.FC<AdsPerformanceProps> = ({ data, filters, top50Ran
                                                         <Top50Badge key={i} rank={r.rank} label={r.label} theme={r.theme} />
                                                     ))}
                                                     <span className="text-white font-bold text-sm tracking-tight">{row.asin}</span>
+                                                    {stockMap && (
+                                                        <StockBadge stock={stockMap.get(row.sku?.replace(/(DE|EN)$/i, ''))} />
+                                                    )}
                                                 </div>
                                                 <span className="text-[10px] uppercase font-black text-indigo-400 tracking-tighter">SKU: {row.sku}</span>
                                                 <span className="text-[10px] text-slate-400 truncate max-w-[220px] leading-tight" title={row.title}>{row.title}</span>

components/DataGrid.tsx

@@ -5,11 +5,13 @@ import {
 import { SalesRecord, PivotRow, AdsRecord, CombinedKPIs } from '../types';
 import { pivotSalesData, generateXLSX, aggregateForTimeSeries, aggregateForComparisonTimeSeries, applyPanEUGrouping } from '../services/dataProcessor';
 import { DownloadIcon, FunnelIcon, CloseIcon, ChartIcon, TrendingIcon } from './Icons';
+import { StockBadge } from './StockBadge';
 
 interface DataGridProps {
     data: SalesRecord[] | CombinedKPIs[];
     hasCustomerFilter: boolean;
     adsData?: AdsRecord[];
+    stockMap?: Map<string, number>;
 }
 
 type SortConfig = {
@@ -226,7 +228,7 @@ const ExpandableChartCard: React.FC<{ title: string; children: React.ReactNode;
 };
 
 
-const DataGrid: React.FC<DataGridProps> = ({ data, hasCustomerFilter, adsData = [] }) => {
+const DataGrid: React.FC<DataGridProps> = ({ data, hasCustomerFilter, adsData, stockMap }) => {
     const [currentPage, setCurrentPage] = useState(1);
     const [sortConfig, setSortConfig] = useState<SortConfig>({ key: null, direction: 'desc' });
     const [showChart, setShowChart] = useState(true);
@@ -1081,7 +1083,14 @@ const DataGrid: React.FC<DataGridProps> = ({ data, hasCustomerFilter, adsData =
                                     <td key={dim} className="px-4 py-3 font-medium text-slate-200 break-words max-w-xs">
                                         {dim === 'title'
                                             ? <div className="line-clamp-2" title={row.title}>{row.title || '-'}</div>
-                                            : (row[dim as keyof PivotRow] as string) || '-'
+                                            : (dim === 'sku' || dim === 'asin')
+                                                ? <div className="flex items-center gap-2">
+                                                    <span>{(row[dim as keyof PivotRow] as string) || '-'}</span>
+                                                    {stockMap && dim === 'sku' && (
+                                                        <StockBadge stock={stockMap.get((row[dim] as string)?.replace(/(DE|EN)$/i, ''))} />
+                                                    )}
+                                                </div>
+                                                : (row[dim as keyof PivotRow] as string) || '-'
                                         }
                                     </td>
                                 ))}

components/ForecastView.tsx

@@ -2,6 +2,8 @@ import React, { useMemo, useState, useEffect, useCallback } from 'react';
 import * as XLSX from 'xlsx';
 import { ProductForecastData, FilterState } from '../types';
 import { DownloadIcon } from './Icons';
+import { StockBadge } from './StockBadge';
+import { StockBadge } from './StockBadge';
 import {
     BarChart, Bar, XAxis, YAxis, CartesianGrid, Tooltip, ResponsiveContainer,
     LineChart, Line, Legend, ComposedChart, Area
@@ -13,7 +15,9 @@ interface ForecastViewProps {
     top50Ranking?: {
         eu: Map<string, number>;
         uk: Map<string, number>;
+    stockMap?: Map<string, number>;
     };
+    stockMap?: Map<string, number>;
 }
 
 const MONTH_ORDER = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
@@ -29,7 +33,7 @@ const Top50Badge: React.FC<{ rank: number; label: string; theme?: 'amber' | 'ind
     );
 };
 
-const ForecastView: React.FC<ForecastViewProps> = ({ data, filters, top50Ranking }) => {
+const ForecastView: React.FC<ForecastViewProps> = ({ data, filters, top50Ranking, stockMap, stockMap }) => {
     const [searchTerm, setSearchTerm] = useState('');
     const [showOnlyTop50, setShowOnlyTop50] = useState(false);
     const [top50Mode, setTop50Mode] = useState<'eu' | 'uk'>('eu');

components/StockBadge.tsx

@@ -0,0 +1,34 @@
+
+import React from 'react';
+
+interface StockBadgeProps {
+    stock: number | undefined;
+}
+
+export const StockBadge: React.FC<StockBadgeProps> = ({ stock }) => {
+    if (stock === undefined) return null;
+
+    const isLow = stock < 50;
+    const isOut = stock <= 0;
+
+    let colorClass = "bg-emerald-500/20 text-emerald-400 border-emerald-500/30";
+    let icon = "📦";
+
+    if (isOut) {
+        colorClass = "bg-rose-500/20 text-rose-400 border-rose-500/30";
+        icon = "❌";
+    } else if (isLow) {
+        colorClass = "bg-amber-500/20 text-amber-400 border-amber-500/30";
+        icon = "⚠️";
+    }
+
+    return (
+        <div
+            className={`inline-flex items-center gap-1.5 px-2 py-0.5 rounded-full text-[10px] font-black border uppercase tracking-tighter shadow-sm ${colorClass}`}
+            title={`Total Stock (GMBH): ${stock}`}
+        >
+            <span className="text-xs">{icon}</span>
+            <span>{stock.toLocaleString('de-DE')}</span>
+        </div>
+    );
+};

components/WeeklyGrid.tsx

@@ -2,6 +2,7 @@ import React, { useMemo, useState, useEffect, useCallback } from 'react';
 import * as XLSX from 'xlsx';
 import { CombinedKPIs } from '../types';
 import { pivotWeeklySalesData, WeeklyPivotRow } from '../services/dataProcessor';
+import { StockBadge } from './StockBadge';
 
 interface WeeklyGridProps {
     data: CombinedKPIs[];
@@ -10,6 +11,7 @@ interface WeeklyGridProps {
         uk: Map<string, number>;
     };
     onDrillDown?: (sku: string) => void;
+    stockMap?: Map<string, number>;
 }
 
 type SortConfig = {
@@ -51,7 +53,7 @@ const Top50Badge: React.FC<{ rank: number; label?: string; theme?: 'amber' | 'bl
     );
 };
 
-const WeeklyGrid: React.FC<WeeklyGridProps> = ({ data, top50Ranking, onDrillDown }) => {
+const WeeklyGrid: React.FC<WeeklyGridProps> = ({ data, top50Ranking, onDrillDown, stockMap }) => {
     // Pivot data - memoized
     const { rows, weeks: allWeeks } = useMemo(() => pivotWeeklySalesData(data), [data]);
 
@@ -515,6 +517,9 @@ const WeeklyGrid: React.FC<WeeklyGridProps> = ({ data, top50Ranking, onDrillDown
                                                             {row.sku || '-'}
                                                         </span>
                                                         <span className="text-[10px] font-bold text-slate-500 bg-slate-800 px-1.5 py-0.5 rounded border border-white/5">{row.asin}</span>
+                                                        {stockMap && (
+                                                            <StockBadge stock={stockMap.get(row.sku?.replace(/(DE|EN)$/i, ''))} />
+                                                        )}
                                                     </div>
                                                     <span className="text-[11px] text-white/70 truncate w-[210px] leading-tight mb-1" title={row.title}>{row.title}</span>
                                                     <span className="text-[9px] text-fuchsia-400/80 font-bold uppercase tracking-widest">{row.line}</span>

services/dataProcessor.ts

@@ -1619,3 +1619,40 @@ export const calculateForecastViewData = (
         };
     });
 };
+
+export const processStockExcel = async (fileOrBuffer: File | ArrayBuffer): Promise<Map<string, number>> => {
+    try {
+        const arrayBuffer = fileOrBuffer instanceof File
+            ? await fileOrBuffer.arrayBuffer()
+            : fileOrBuffer;
+        const workbook = XLSX.read(arrayBuffer, { type: 'array' });
+        const sheetName = workbook.SheetNames[0];
+        const worksheet = workbook.Sheets[sheetName];
+        const jsonData: any[][] = XLSX.utils.sheet_to_json(worksheet, { header: 1 });
+
+        const stockMap = new Map<string, number>();
+
+        // Skip headers (index 0)
+        for (let i = 1; i < jsonData.length; i++) {
+            const row = jsonData[i];
+            const rawSku = String(row[0] || '').trim();
+            if (!rawSku) continue;
+
+            // Normalize SKU: Remove trailing EN or DE
+            const normalizedSku = rawSku.replace(/(DE|EN)$/i, '');
+
+            // User requested Column I which is index 8 (After Assembly Orders GMBH)
+            const stockValue = Number(row[8] || 0);
+
+            if (!isNaN(stockValue)) {
+                const current = stockMap.get(normalizedSku) || 0;
+                stockMap.set(normalizedSku, current + stockValue);
+            }
+        }
+
+        return stockMap;
+    } catch (error) {
+        console.error("Error processing Stock Excel:", error);
+        throw error;
+    }
+};