Add initial project skeleton

server.js

@@ -0,0 +1,82 @@
+import 'dotenv/config';
+import express from 'express';
+import cors from 'cors';
+import path from 'path';
+import { fileURLToPath } from 'url';
+import fetch from 'node-fetch';
+
+const app = express();
+app.use(cors());
+app.use(express.json());
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+
+// Serve static frontend
+app.use(express.static(path.join(__dirname, 'public')));
+
+// (Mock data routes removed)
+
+// eBay completed (sold) listings search
+app.get('/api/ebay/search', async (req, res) => {
+  try {
+    const { player, team, manufacturer, page = 1 } = req.query;
+    const appId = process.env.EBAY_APP_ID;
+    if (!appId) {
+      return res.status(500).json({ error: 'Server missing EBAY_APP_ID environment variable' });
+    }
+    const name = String(player || '').trim();
+    if (!name) return res.status(400).json({ error: 'Missing required "player" query param' });
+
+    const keywords = [name, team, manufacturer].filter(Boolean).join(' ');
+
+    const params = new URLSearchParams({
+      'OPERATION-NAME': 'findCompletedItems',
+      'SERVICE-VERSION': '1.13.0',
+      'SECURITY-APPNAME': appId,
+      'RESPONSE-DATA-FORMAT': 'JSON',
+      keywords,
+      'paginationInput.entriesPerPage': '24',
+      'paginationInput.pageNumber': String(page),
+      'sortOrder': 'EndTimeSoonest',
+      'outputSelector': 'PictureURLLarge'
+    });
+    // item filters
+    params.append('itemFilter(0).name', 'SoldItemsOnly');
+    params.append('itemFilter(0).value', 'true');
+    params.append('GLOBAL-ID', 'EBAY-US');
+
+    const url = `https://svcs.ebay.com/services/search/FindingService/v1?${params.toString()}`;
+    const resp = await fetch(url);
+    if (!resp.ok) {
+      const text = await resp.text();
+      return res.status(502).json({ error: 'eBay API error', detail: text });
+    }
+    const data = await resp.json();
+    const root = (data && data.findCompletedItemsResponse && data.findCompletedItemsResponse[0]) || {};
+    const items = ((root.searchResult && root.searchResult[0] && root.searchResult[0].item) || []).map((it) => {
+      const title = it.title?.[0] || '';
+      const url = it.viewItemURL?.[0] || '';
+      const image = (it.pictureURLLarge?.[0] || it.galleryURL?.[0] || '');
+      const price = it.sellingStatus?.[0]?.currentPrice?.[0]?.__value__ || null;
+      const currency = it.sellingStatus?.[0]?.currentPrice?.[0]?.['@currencyId'] || null;
+      const ended = it.listingInfo?.[0]?.endTime?.[0] || null;
+      return { title, url, image, price, currency, ended };
+    });
+
+    res.json({ results: items });
+  } catch (err) {
+    console.error('eBay search error', err);
+    res.status(500).json({ error: 'Internal server error' });
+  }
+});
+
+// Fallback to index.html for root
+app.get('/', (_req, res) => {
+  res.sendFile(path.join(__dirname, 'public', 'index.html'));
+});
+
+const PORT = process.env.PORT || 3000;
+app.listen(PORT, () => {
+  console.log(`Baseball Cards Search running on http://localhost:${PORT}`);
+});