feat: expose REST API endpoints (/api/send, /api/send-media) for universal messaging proxy usage

whatsapp_bridge/server.js

@@ -702,6 +702,41 @@ wss.on('connection', (ws, req) => {
   });
 });
 
+// ─── HTTP REST API Endpoints (For easy integration as a Proxy/API) ───────
+app.use(express.json({ limit: '50mb' }));
+
+app.post('/api/send', async (req, res) => {
+  if (!clientReady) return res.status(503).json({ error: 'WhatsApp is not ready' });
+  const { phone, message } = req.body;
+  if (!phone || !message) return res.status(400).json({ error: 'phone and message are required' });
+  
+  try {
+    const chatId = phone.includes('@') ? phone : `${phone}@c.us`;
+    const sentMsg = await waClient.sendMessage(chatId, message);
+    res.status(200).json({ success: true, messageId: sentMsg.id.id });
+  } catch (err) {
+    console.error('[API] Send error:', err.message);
+    res.status(500).json({ error: err.message });
+  }
+});
+
+app.post('/api/send-media', async (req, res) => {
+  if (!clientReady) return res.status(503).json({ error: 'WhatsApp is not ready' });
+  const { phone, base64, mimetype, filename, caption } = req.body;
+  if (!phone || !base64 || !mimetype) return res.status(400).json({ error: 'phone, base64, and mimetype are required' });
+  
+  try {
+    const { MessageMedia } = require('whatsapp-web.js');
+    const media = new MessageMedia(mimetype, base64, filename || 'file');
+    const chatId = phone.includes('@') ? phone : `${phone}@c.us`;
+    const sentMsg = await waClient.sendMessage(chatId, media, { caption: caption || '' });
+    res.status(200).json({ success: true, messageId: sentMsg.id.id });
+  } catch (err) {
+    console.error('[API] Send media error:', err.message);
+    res.status(500).json({ error: err.message });
+  }
+});
+
 // ─── HTTP Health Endpoint ──────────────────────────────────────────────────
 app.get('/health', (req, res) => {
   res.status(200).json({
@@ -712,6 +747,7 @@ app.get('/health', (req, res) => {
   });
 });
 
+
 // ─── Start HTTP + WebSocket Server ─────────────────────────────────────────
 server.listen(PORT, () => {
   console.log(`[SERVER] Standalone WhatsApp Bridge running on port ${PORT}`);