Add Twilio WhatsApp integration

backend/clinicAgent.js

@@ -66,10 +66,29 @@ class ClinicAgent {
         if (text.includes("book") || text.includes("today")) {
             return {
                 reply: "I can help with that. Which time works best for you?",
-                buttons: ["10:00 AM", "11:00 AM", "06:00 PM"]
+                buttons: ["10:00 AM", "11:00 AM", "06:00 PM"],
+                nextStep: "AWAIT_TIME"
             };
         }
 
+        // Scenario 3.1: Handling time selection
+        if (context.lastStep === "AWAIT_TIME") {
+            let time = "";
+            if (text.includes("1") || text.includes("10")) time = "10:00";
+            else if (text.includes("2") || text.includes("11")) time = "11:00";
+            else if (text.includes("3") || text.includes("6") || text.includes("06")) time = "18:00";
+
+            if (time) {
+                const today = new Date().toISOString().split('T')[0];
+                const result = await queueManager.bookOnline(today, time, phone, 'sharma-clinic');
+                if (result.success) {
+                    return { reply: `Awesome! Your token is ${result.token}. You should receive a confirmation message shortly.` };
+                } else {
+                    return { reply: `Sorry, ${result.message}` };
+                }
+            }
+        }
+
         // Scenario 3.5: Medicine Query
         if (text.includes("have") || text.includes("medicine") || text.includes("syrup") || text.includes("tablet")) {
             const pharmacyReply = pharmacyAgent.handlePatientQuery(message);

backend/notificationManager.js

@@ -1,25 +1,33 @@
 /**
- * NotificationManager: Handles mock WhatsApp notifications for Curio
+ * NotificationManager: Handles WhatsApp notifications for Curio
  */
 
+const whatsappService = require('./whatsappService');
+
 class NotificationManager {
     constructor() {
         this.notificationsSent = [];
     }
 
-    sendRescheduleAlert(patientPhone, tenantName, oldTime, newTime) {
+    async sendRescheduleAlert(patientPhone, tenantName, oldTime, newTime) {
-        const message = `🔔 *Curio Alert*: A slot has just opened up at ${tenantName} for today at ${newTime}! 
+        this.notificationsSent.push({ phone: patientPhone, type: 'reschedule', timestamp: new Date() });
+        return await whatsappService.sendRescheduleOffer(patientPhone, tenantName, oldTime, newTime);
+    }
     
-Would you like to move your ${oldTime} appointment to this earlier slot?
+    async sendTokenNotification(patientPhone, tokenData) {
+        this.notificationsSent.push({ phone: patientPhone, type: 'token', timestamp: new Date() });
+        return await whatsappService.sendTokenConfirmation(
+            patientPhone, 
+            tokenData.token, 
+            tokenData.clinicName, 
+            tokenData.slotTime, 
+            tokenData.fee
+        );
+    }
     
-Reply:
+    async sendQueueUpdate(patientPhone, clinicName, position, eta) {
-1. Yes, move me!
+        this.notificationsSent.push({ phone: patientPhone, type: 'queue', timestamp: new Date() });
-2. No, keep my current time.`;
+        return await whatsappService.sendQueueUpdate(patientPhone, clinicName, position, eta);
-        
-        console.log(`[WhatsApp to ${patientPhone}]: ${message}`);
-        this.notificationsSent.push({ phone: patientPhone, message, timestamp: new Date() });
-        
-        return { success: true, message: "Notification sent." };
     }
 
     getRecentNotifications() {

backend/queueManager.js

@@ -64,7 +64,7 @@ class QueueManager {
         return this.slots[key];
     }
 
-    bookOnline(date, time, tenantId = 'default') {
+    async bookOnline(date, time, patientPhone, tenantId = 'default') {
         if (!this.isAvailable(tenantId, date, time)) {
             return { success: false, message: "The clinic is closed at this time / on this day." };
         }
@@ -72,9 +72,18 @@ class QueueManager {
         const config = getTenantConfig(tenantId);
         if (status.online < status.maxOnline) {
             status.online++;
+            const token = `ON-${status.online}`;
+            if (patientPhone) {
+                await notificationManager.sendTokenNotification(patientPhone, {
+                    token,
+                    clinicName: config.name,
+                    slotTime: time,
+                    fee: config.consultationFee
+                });
+            }
             return { 
                 success: true, 
-                token: `ON-${status.online}`, 
+                token, 
                 slot: this.getSlotKey(tenantId, date, time),
                 status: 'PENDING_PAYMENT',
                 fee: config.consultationFee
@@ -83,7 +92,7 @@ class QueueManager {
         return { success: false, message: "Slot full for online booking. Try next slot." };
     }
 
-    bookWalkin(date, time, tenantId = 'default') {
+    async bookWalkin(date, time, patientPhone, tenantId = 'default') {
         if (!this.isAvailable(tenantId, date, time)) {
             return { success: false, message: "The clinic is closed at this time / on this day." };
         }
@@ -91,9 +100,18 @@ class QueueManager {
         const config = getTenantConfig(tenantId);
         if (status.walkin < status.maxWalkin) {
             status.walkin++;
+            const token = `WK-${status.walkin}`;
+            if (patientPhone) {
+                await notificationManager.sendTokenNotification(patientPhone, {
+                    token,
+                    clinicName: config.name,
+                    slotTime: time,
+                    fee: config.consultationFee
+                });
+            }
             return { 
                 success: true, 
-                token: `WK-${status.walkin}`,
+                token,
                 status: 'PENDING_PAYMENT',
                 fee: config.consultationFee
             };
@@ -110,24 +128,24 @@ class QueueManager {
         ];
     }
 
-    cancelBooking(date, time, tenantId = 'default') {
+    async cancelBooking(date, time, tenantId = 'default') {
         const status = this.getSlotStatus(tenantId, date, time);
         if (status.online > 0) {
             status.online--;
-            this.notifyAvailableSlot(tenantId, date, time);
+            await this.notifyAvailableSlot(tenantId, date, time);
             return { success: true, message: "Booking cancelled and slot opened." };
         }
         return { success: false, message: "No bookings found for this slot." };
     }
 
-    notifyAvailableSlot(tenantId, date, time) {
+    async notifyAvailableSlot(tenantId, date, time) {
         const config = getTenantConfig(tenantId);
         console.log(`[Queue] Triggering notifications for open slot: ${time}`);
         
         // Mock finding a patient with a later slot
-        const mockLaterPatient = { phone: "9876543210", appointmentTime: "19:00" };
+        const mockLaterPatient = { phone: "+918500176938", appointmentTime: "19:00" };
         
-        notificationManager.sendRescheduleAlert(
+        await notificationManager.sendRescheduleAlert(
             mockLaterPatient.phone,
             config.name,
             mockLaterPatient.appointmentTime,

backend/server.js

@@ -1,8 +1,11 @@
+require('dotenv').config();
 const express = require('express');
 const path = require('path');
 const crypto = require('crypto');
 const bcrypt = require('bcryptjs');
+const twilio = require('twilio');
 
+const whatsappService = require('./whatsappService');
 const botLogic = require('./botLogic');
 const { getTenantConfig, updateTenantConfig } = require('./configManager');
 const { getTemporalClient } = require('./temporalClient');
@@ -487,7 +490,10 @@ app.patch('/api/clinic/settings', requireAuth('OWNER'), async (req, res) => {
 
 // ── WHATSAPP WEBHOOK ──────────────────────────────────────────────────────────
 
-app.post('/whatsapp/webhook', async (req, res) => {
+// Using twilio.webhook() middleware for request validation
+// Disable validation in local environment to allow testing via ngrok/local tools
+const shouldValidate = process.env.NODE_ENV === 'production';
+app.post('/whatsapp/webhook', twilio.webhook({ validate: shouldValidate }), async (req, res) => {
     const from = req.body.From || req.body.from;
     const body = req.body.Body || req.body.body;
 
@@ -513,8 +519,51 @@ app.post('/whatsapp/webhook', async (req, res) => {
         });
         res.type('text/xml').send('<Response></Response>');
     } catch (err) {
-        console.error('[WhatsApp Webhook] Error:', err);
+        console.error('[WhatsApp Webhook] Temporal unavailable, falling back to local botLogic. Error:', err.message);
-        res.status(500).send('Internal Server Error');
+        
+        // Fallback to local bot logic if Temporal is not running
+        try {
+            const botResponse = await botLogic.handleMessage(from, body);
+            let replyText = botResponse.reply;
+            
+            // Format buttons for standard WhatsApp text since we aren't using Twilio Content Templates
+            if (botResponse.buttons && botResponse.buttons.length > 0) {
+                replyText += '\n\n' + botResponse.buttons.map((b, i) => `${i + 1}. ${b}`).join('\n');
+            }
+            
+            await whatsappService.sendWhatsApp(from, replyText);
+            res.type('text/xml').send('<Response></Response>');
+        } catch (botErr) {
+            console.error('[WhatsApp Webhook] Fallback logic error:', botErr);
+            res.status(500).send('Internal Server Error');
+        }
+    }
+});
+
+// ── MANUAL TOKEN NOTIFICATION ──────────────────────────────────────────────────
+
+app.post('/api/whatsapp/send-token', requireAuth(), async (req, res) => {
+    const { patientPhone, tokenNumber, clinicName, slotTime, fee } = req.body;
+    if (!patientPhone || !tokenNumber || !clinicName || !slotTime) {
+        return res.status(400).json({ error: 'Missing required fields' });
+    }
+    
+    try {
+        const result = await whatsappService.sendTokenConfirmation(
+            patientPhone, 
+            tokenNumber, 
+            clinicName, 
+            slotTime, 
+            fee || 0
+        );
+        if (result.success) {
+            res.json({ success: true, sid: result.sid });
+        } else {
+            res.status(500).json({ error: result.error });
+        }
+    } catch (err) {
+        console.error('[Send Token]', err);
+        res.status(500).json({ error: 'Failed to send token via WhatsApp' });
     }
 });
 

backend/whatsappService.js

@@ -0,0 +1,58 @@
+require('dotenv').config();
+const twilio = require('twilio');
+
+// Initialize Twilio using API Key
+// Account SID is still required for API Key auth
+const accountSid = process.env.TWILIO_ACCOUNT_SID;
+const apiKey = process.env.TWILIO_API_KEY_SID;
+const apiSecret = process.env.TWILIO_API_KEY_SECRET;
+
+const client = twilio(apiKey, apiSecret, { accountSid });
+const fromNumber = process.env.TWILIO_WHATSAPP_FROM || 'whatsapp:+14155238886'; // Fallback to sandbox if not set
+
+class WhatsAppService {
+    async sendWhatsApp(to, body) {
+        if (!to) {
+            console.error('[WhatsAppService] Missing destination phone number');
+            return { success: false, error: 'Missing phone number' };
+        }
+        
+        // Ensure "whatsapp:" prefix
+        const toFormatted = to.startsWith('whatsapp:') ? to : `whatsapp:${to.startsWith('+') ? to : '+' + to}`;
+
+        try {
+            const message = await client.messages.create({
+                body: body,
+                from: fromNumber,
+                to: toFormatted
+            });
+            console.log(`[WhatsAppService] Message sent to ${toFormatted}. SID: ${message.sid}`);
+            return { success: true, sid: message.sid };
+        } catch (error) {
+            console.error(`[WhatsAppService] Failed to send message to ${toFormatted}:`, error.message);
+            return { success: false, error: error.message };
+        }
+    }
+
+    async sendTokenConfirmation(phone, tokenNumber, clinicName, slotTime, fee) {
+        const message = `🏥 *CuraFlow Token Confirmed*\n\n🔢 Token: ${tokenNumber}\n🏨 Clinic: ${clinicName}\n🕐 Slot: ${slotTime}\n💰 Fee: ₹${fee}\n\nPlease arrive 10 mins early.`;
+        return this.sendWhatsApp(phone, message);
+    }
+
+    async sendQueueUpdate(phone, clinicName, position, estimatedTime) {
+        const message = `📋 *Queue Update*\n\nYou are #${position} in line at ${clinicName}.\n⏱ Estimated wait: ~${estimatedTime} mins`;
+        return this.sendWhatsApp(phone, message);
+    }
+
+    async sendRescheduleOffer(phone, clinicName, oldTime, newTime) {
+        const message = `🔔 *Slot Available!*\n\nA slot opened at ${clinicName} for ${newTime}!\nYour current: ${oldTime}\n\nReply:\n1. Yes, move me!\n2. No, keep my current time.`;
+        return this.sendWhatsApp(phone, message);
+    }
+
+    async sendCancellationConfirmation(phone, clinicName, slotTime) {
+        const message = `✅ *Booking Cancelled*\n\nYour token at ${clinicName} for ${slotTime} has been cancelled.`;
+        return this.sendWhatsApp(phone, message);
+    }
+}
+
+module.exports = new WhatsAppService();

k8s/app.yaml

@@ -26,6 +26,14 @@ spec:
           value: "postgres://postgres:curio_secret@curio-db:5432/curio"
         - name: TEMPORAL_URL
           value: "temporal-frontend.ai-core.svc.cluster.local:7233"
+        - name: TWILIO_ACCOUNT_SID
+          value: "AC601e1962dc8417ddb3ae53cd8d865020"
+        - name: TWILIO_API_KEY_SID
+          value: "SK48dd3d06318997be3a809a6ef0cd761d"
+        - name: TWILIO_API_KEY_SECRET
+          value: "rN5RpKAbFVCv0G45ehluf1JbTWt2dgNW"
+        - name: TWILIO_WHATSAPP_FROM
+          value: "whatsapp:+14155238886"
         livenessProbe:
           httpGet:
             path: /

node_modules/.package-lock.json

@@ -201,6 +201,41 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/agent-base": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-6.0.2.tgz",
+      "integrity": "sha512-RZNwNclF7+MS/8bDg70amg32dyeZGZxiDuQmZxKLAlQjr3jGyLx+4Kkk58UO7D2QdgFIQCovuSuZESne6RG6XQ==",
+      "license": "MIT",
+      "dependencies": {
+        "debug": "4"
+      },
+      "engines": {
+        "node": ">= 6.0.0"
+      }
+    },
+    "node_modules/agent-base/node_modules/debug": {
+      "version": "4.4.3",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.3.tgz",
+      "integrity": "sha512-RGwwWnwQvkVfavKVt22FGLw+xYSdzARwm0ru6DhTVA3umU5hZc28V3kO4stgYryrTlLpuvgI9GiijltAjNbcqA==",
+      "license": "MIT",
+      "dependencies": {
+        "ms": "^2.1.3"
+      },
+      "engines": {
+        "node": ">=6.0"
+      },
+      "peerDependenciesMeta": {
+        "supports-color": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/agent-base/node_modules/ms": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
+      "license": "MIT"
+    },
     "node_modules/ansi-regex": {
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
@@ -231,6 +266,24 @@
       "integrity": "sha512-PCVAQswWemu6UdxsDFFX/+gVeYqKAod3D3UVm91jHwynguOwAvYPhx8nNlM++NqRcK6CxxpUafjmhIdKiHibqg==",
       "license": "MIT"
     },
+    "node_modules/asynckit": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
+      "integrity": "sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q==",
+      "license": "MIT"
+    },
+    "node_modules/axios": {
+      "version": "1.16.1",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-1.16.1.tgz",
+      "integrity": "sha512-caYkukvroVPO8KrzuJEb50Hm07KwfBZPEC3VeFHTsqWHvKTsy54hjJz9BS/cdaypROE2rH6xvm9mHX4fgWkr3A==",
+      "license": "MIT",
+      "dependencies": {
+        "follow-redirects": "^1.16.0",
+        "form-data": "^4.0.5",
+        "https-proxy-agent": "^5.0.1",
+        "proxy-from-env": "^2.1.0"
+      }
+    },
     "node_modules/bcryptjs": {
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/bcryptjs/-/bcryptjs-3.0.3.tgz",
@@ -340,6 +393,18 @@
       "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==",
       "license": "MIT"
     },
+    "node_modules/combined-stream": {
+      "version": "1.0.8",
+      "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
+      "integrity": "sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==",
+      "license": "MIT",
+      "dependencies": {
+        "delayed-stream": "~1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
     "node_modules/content-disposition": {
       "version": "0.5.4",
       "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.4.tgz",
@@ -376,6 +441,12 @@
       "integrity": "sha512-NXdYc3dLr47pBkpUCHtKSwIOQXLVn8dZEuywboCOJY/osA0wFSLlSawr3KN8qXJEyX66FcONTH8EIlVuK0yyFA==",
       "license": "MIT"
     },
+    "node_modules/dayjs": {
+      "version": "1.11.20",
+      "resolved": "https://registry.npmjs.org/dayjs/-/dayjs-1.11.20.tgz",
+      "integrity": "sha512-YbwwqR/uYpeoP4pu043q+LTDLFBLApUP6VxRihdfNTqu4ubqMlGDLd6ErXhEgsyvY0K6nCs7nggYumAN+9uEuQ==",
+      "license": "MIT"
+    },
     "node_modules/debug": {
       "version": "2.6.9",
       "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
@@ -391,6 +462,15 @@
       "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A==",
       "license": "MIT"
     },
+    "node_modules/delayed-stream": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
+      "integrity": "sha512-ZySD7Nf91aLB0RxL4KGrKHBXl7Eds1DAmEdcoVawXnLD7SDhpNgtuII2aAkg7a7QS41jxPSZ17p4VdGnMHk3MQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
     "node_modules/depd": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/depd/-/depd-2.0.0.tgz",
@@ -410,6 +490,18 @@
         "npm": "1.2.8000 || >= 1.4.16"
       }
     },
+    "node_modules/dotenv": {
+      "version": "17.4.2",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-17.4.2.tgz",
+      "integrity": "sha512-nI4U3TottKAcAD9LLud4Cb7b2QztQMUEfHbvhTH09bqXTxnSie8WnjPALV/WMCrJZ6UV/qHJ6L03OqO3LcdYZw==",
+      "license": "BSD-2-Clause",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://dotenvx.com"
+      }
+    },
     "node_modules/dunder-proto": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/dunder-proto/-/dunder-proto-1.0.1.tgz",
@@ -484,6 +576,21 @@
         "node": ">= 0.4"
       }
     },
+    "node_modules/es-set-tostringtag": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/es-set-tostringtag/-/es-set-tostringtag-2.1.0.tgz",
+      "integrity": "sha512-j6vWzfrGVfyXxge+O0x5sh6cvxAog0a/4Rdd2K36zCMV5eJ+/+tOAngRO8cODMNWbVRdVlmGZQL2YS3yR8bIUA==",
+      "license": "MIT",
+      "dependencies": {
+        "es-errors": "^1.3.0",
+        "get-intrinsic": "^1.2.6",
+        "has-tostringtag": "^1.0.2",
+        "hasown": "^2.0.2"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
     "node_modules/escalade": {
       "version": "3.2.0",
       "resolved": "https://registry.npmjs.org/escalade/-/escalade-3.2.0.tgz",
@@ -581,6 +688,42 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/follow-redirects": {
+      "version": "1.16.0",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.16.0.tgz",
+      "integrity": "sha512-y5rN/uOsadFT/JfYwhxRS5R7Qce+g3zG97+JrtFZlC9klX/W5hD7iiLzScI4nZqUS7DNUdhPgw4xI8W2LuXlUw==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://github.com/sponsors/RubenVerborgh"
+        }
+      ],
+      "license": "MIT",
+      "engines": {
+        "node": ">=4.0"
+      },
+      "peerDependenciesMeta": {
+        "debug": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/form-data": {
+      "version": "4.0.5",
+      "resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.5.tgz",
+      "integrity": "sha512-8RipRLol37bNs2bhoV67fiTEvdTrbMUYcFTiy3+wuuOnUog2QBHCZWXDRijWQfAkhBj2Uf5UnVaiWwA5vdd82w==",
+      "license": "MIT",
+      "dependencies": {
+        "asynckit": "^0.4.0",
+        "combined-stream": "^1.0.8",
+        "es-set-tostringtag": "^2.1.0",
+        "hasown": "^2.0.2",
+        "mime-types": "^2.1.12"
+      },
+      "engines": {
+        "node": ">= 6"
+      }
+    },
     "node_modules/forwarded": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.2.0.tgz",
@@ -678,6 +821,21 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/has-tostringtag": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/has-tostringtag/-/has-tostringtag-1.0.2.tgz",
+      "integrity": "sha512-NqADB8VjPFLM2V0VvHUewwwsw0ZWBaIdgo+ieHtK3hasLz4qeCRjYcqfB6AQrBggRKppKF8L52/VqdVsO47Dlw==",
+      "license": "MIT",
+      "dependencies": {
+        "has-symbols": "^1.0.3"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
     "node_modules/hasown": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/hasown/-/hasown-2.0.3.tgz",
@@ -710,6 +868,42 @@
         "url": "https://opencollective.com/express"
       }
     },
+    "node_modules/https-proxy-agent": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-5.0.1.tgz",
+      "integrity": "sha512-dFcAjpTQFgoLMzC2VwU+C/CbS7uRL0lWmxDITmqm7C+7F0Odmj6s9l6alZc6AELXhrnggM2CeWSXHGOdX2YtwA==",
+      "license": "MIT",
+      "dependencies": {
+        "agent-base": "6",
+        "debug": "4"
+      },
+      "engines": {
+        "node": ">= 6"
+      }
+    },
+    "node_modules/https-proxy-agent/node_modules/debug": {
+      "version": "4.4.3",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.3.tgz",
+      "integrity": "sha512-RGwwWnwQvkVfavKVt22FGLw+xYSdzARwm0ru6DhTVA3umU5hZc28V3kO4stgYryrTlLpuvgI9GiijltAjNbcqA==",
+      "license": "MIT",
+      "dependencies": {
+        "ms": "^2.1.3"
+      },
+      "engines": {
+        "node": ">=6.0"
+      },
+      "peerDependenciesMeta": {
+        "supports-color": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/https-proxy-agent/node_modules/ms": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
+      "license": "MIT"
+    },
     "node_modules/iconv-lite": {
       "version": "0.4.24",
       "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
@@ -1162,6 +1356,15 @@
         "node": ">= 0.10"
       }
     },
+    "node_modules/proxy-from-env": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-2.1.0.tgz",
+      "integrity": "sha512-cJ+oHTW1VAEa8cJslgmUZrc+sjRKgAKl3Zyse6+PV38hZe/V6Z14TbCuXcan9F9ghlz4QrFr2c92TNF82UkYHA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/qs": {
       "version": "6.15.2",
       "resolved": "https://registry.npmjs.org/qs/-/qs-6.15.2.tgz",
@@ -1236,6 +1439,13 @@
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
       "license": "MIT"
     },
+    "node_modules/scmp": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/scmp/-/scmp-2.1.0.tgz",
+      "integrity": "sha512-o/mRQGk9Rcer/jEEw/yw4mwo3EU/NvYvp577/Btqrym9Qy5/MdWGBqipbALgd2lrdWTJ5/gqDusxfnQBxOxT2Q==",
+      "deprecated": "Just use Node.js's crypto.timingSafeEqual()",
+      "license": "BSD-3-Clause"
+    },
     "node_modules/semver": {
       "version": "7.8.1",
       "resolved": "https://registry.npmjs.org/semver/-/semver-7.8.1.tgz",
@@ -1424,6 +1634,24 @@
         "node": ">=0.6"
       }
     },
+    "node_modules/twilio": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/twilio/-/twilio-6.0.2.tgz",
+      "integrity": "sha512-RN3TZxUtxLz2HBZVt62+LdZxQbrMVgYKtuzLgwmO7nqKvR+gQS5mCackD9hf4Y7MmoK/bX7tCm7kaJC8kC8zFA==",
+      "license": "MIT",
+      "dependencies": {
+        "axios": "^1.13.5",
+        "dayjs": "^1.11.9",
+        "https-proxy-agent": "^5.0.0",
+        "jsonwebtoken": "^9.0.3",
+        "qs": "^6.14.1",
+        "scmp": "^2.1.0",
+        "xmlbuilder": "^13.0.2"
+      },
+      "engines": {
+        "node": ">=20.0.0"
+      }
+    },
     "node_modules/type-is": {
       "version": "1.6.18",
       "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
@@ -1500,6 +1728,15 @@
         "url": "https://github.com/chalk/wrap-ansi?sponsor=1"
       }
     },
+    "node_modules/xmlbuilder": {
+      "version": "13.0.2",
+      "resolved": "https://registry.npmjs.org/xmlbuilder/-/xmlbuilder-13.0.2.tgz",
+      "integrity": "sha512-Eux0i2QdDYKbdbA6AM6xE4m6ZTZr4G4xF9kahI2ukSEMCzwce2eX9WlTI5J3s+NU7hpasFsr8hWIONae7LluAQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=6.0"
+      }
+    },
     "node_modules/xtend": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",

package-lock.json

@@ -10,9 +10,11 @@
       "dependencies": {
         "@temporalio/client": "^1.16.2",
         "bcryptjs": "^3.0.3",
+        "dotenv": "^17.4.2",
         "express": "^4.18.2",
         "jsonwebtoken": "^9.0.3",
         "pg": "^8.21.0",
+        "twilio": "^6.0.2",
         "uuid": "^14.0.0"
       }
     },
@@ -213,6 +215,41 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/agent-base": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-6.0.2.tgz",
+      "integrity": "sha512-RZNwNclF7+MS/8bDg70amg32dyeZGZxiDuQmZxKLAlQjr3jGyLx+4Kkk58UO7D2QdgFIQCovuSuZESne6RG6XQ==",
+      "license": "MIT",
+      "dependencies": {
+        "debug": "4"
+      },
+      "engines": {
+        "node": ">= 6.0.0"
+      }
+    },
+    "node_modules/agent-base/node_modules/debug": {
+      "version": "4.4.3",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.3.tgz",
+      "integrity": "sha512-RGwwWnwQvkVfavKVt22FGLw+xYSdzARwm0ru6DhTVA3umU5hZc28V3kO4stgYryrTlLpuvgI9GiijltAjNbcqA==",
+      "license": "MIT",
+      "dependencies": {
+        "ms": "^2.1.3"
+      },
+      "engines": {
+        "node": ">=6.0"
+      },
+      "peerDependenciesMeta": {
+        "supports-color": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/agent-base/node_modules/ms": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
+      "license": "MIT"
+    },
     "node_modules/ansi-regex": {
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
@@ -243,6 +280,24 @@
       "integrity": "sha512-PCVAQswWemu6UdxsDFFX/+gVeYqKAod3D3UVm91jHwynguOwAvYPhx8nNlM++NqRcK6CxxpUafjmhIdKiHibqg==",
       "license": "MIT"
     },
+    "node_modules/asynckit": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
+      "integrity": "sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q==",
+      "license": "MIT"
+    },
+    "node_modules/axios": {
+      "version": "1.16.1",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-1.16.1.tgz",
+      "integrity": "sha512-caYkukvroVPO8KrzuJEb50Hm07KwfBZPEC3VeFHTsqWHvKTsy54hjJz9BS/cdaypROE2rH6xvm9mHX4fgWkr3A==",
+      "license": "MIT",
+      "dependencies": {
+        "follow-redirects": "^1.16.0",
+        "form-data": "^4.0.5",
+        "https-proxy-agent": "^5.0.1",
+        "proxy-from-env": "^2.1.0"
+      }
+    },
     "node_modules/bcryptjs": {
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/bcryptjs/-/bcryptjs-3.0.3.tgz",
@@ -352,6 +407,18 @@
       "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==",
       "license": "MIT"
     },
+    "node_modules/combined-stream": {
+      "version": "1.0.8",
+      "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
+      "integrity": "sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==",
+      "license": "MIT",
+      "dependencies": {
+        "delayed-stream": "~1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
     "node_modules/content-disposition": {
       "version": "0.5.4",
       "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.4.tgz",
@@ -388,6 +455,12 @@
       "integrity": "sha512-NXdYc3dLr47pBkpUCHtKSwIOQXLVn8dZEuywboCOJY/osA0wFSLlSawr3KN8qXJEyX66FcONTH8EIlVuK0yyFA==",
       "license": "MIT"
     },
+    "node_modules/dayjs": {
+      "version": "1.11.20",
+      "resolved": "https://registry.npmjs.org/dayjs/-/dayjs-1.11.20.tgz",
+      "integrity": "sha512-YbwwqR/uYpeoP4pu043q+LTDLFBLApUP6VxRihdfNTqu4ubqMlGDLd6ErXhEgsyvY0K6nCs7nggYumAN+9uEuQ==",
+      "license": "MIT"
+    },
     "node_modules/debug": {
       "version": "2.6.9",
       "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
@@ -403,6 +476,15 @@
       "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A==",
       "license": "MIT"
     },
+    "node_modules/delayed-stream": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
+      "integrity": "sha512-ZySD7Nf91aLB0RxL4KGrKHBXl7Eds1DAmEdcoVawXnLD7SDhpNgtuII2aAkg7a7QS41jxPSZ17p4VdGnMHk3MQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
     "node_modules/depd": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/depd/-/depd-2.0.0.tgz",
@@ -422,6 +504,18 @@
         "npm": "1.2.8000 || >= 1.4.16"
       }
     },
+    "node_modules/dotenv": {
+      "version": "17.4.2",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-17.4.2.tgz",
+      "integrity": "sha512-nI4U3TottKAcAD9LLud4Cb7b2QztQMUEfHbvhTH09bqXTxnSie8WnjPALV/WMCrJZ6UV/qHJ6L03OqO3LcdYZw==",
+      "license": "BSD-2-Clause",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://dotenvx.com"
+      }
+    },
     "node_modules/dunder-proto": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/dunder-proto/-/dunder-proto-1.0.1.tgz",
@@ -496,6 +590,21 @@
         "node": ">= 0.4"
       }
     },
+    "node_modules/es-set-tostringtag": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/es-set-tostringtag/-/es-set-tostringtag-2.1.0.tgz",
+      "integrity": "sha512-j6vWzfrGVfyXxge+O0x5sh6cvxAog0a/4Rdd2K36zCMV5eJ+/+tOAngRO8cODMNWbVRdVlmGZQL2YS3yR8bIUA==",
+      "license": "MIT",
+      "dependencies": {
+        "es-errors": "^1.3.0",
+        "get-intrinsic": "^1.2.6",
+        "has-tostringtag": "^1.0.2",
+        "hasown": "^2.0.2"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
     "node_modules/escalade": {
       "version": "3.2.0",
       "resolved": "https://registry.npmjs.org/escalade/-/escalade-3.2.0.tgz",
@@ -593,6 +702,42 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/follow-redirects": {
+      "version": "1.16.0",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.16.0.tgz",
+      "integrity": "sha512-y5rN/uOsadFT/JfYwhxRS5R7Qce+g3zG97+JrtFZlC9klX/W5hD7iiLzScI4nZqUS7DNUdhPgw4xI8W2LuXlUw==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://github.com/sponsors/RubenVerborgh"
+        }
+      ],
+      "license": "MIT",
+      "engines": {
+        "node": ">=4.0"
+      },
+      "peerDependenciesMeta": {
+        "debug": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/form-data": {
+      "version": "4.0.5",
+      "resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.5.tgz",
+      "integrity": "sha512-8RipRLol37bNs2bhoV67fiTEvdTrbMUYcFTiy3+wuuOnUog2QBHCZWXDRijWQfAkhBj2Uf5UnVaiWwA5vdd82w==",
+      "license": "MIT",
+      "dependencies": {
+        "asynckit": "^0.4.0",
+        "combined-stream": "^1.0.8",
+        "es-set-tostringtag": "^2.1.0",
+        "hasown": "^2.0.2",
+        "mime-types": "^2.1.12"
+      },
+      "engines": {
+        "node": ">= 6"
+      }
+    },
     "node_modules/forwarded": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.2.0.tgz",
@@ -690,6 +835,21 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/has-tostringtag": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/has-tostringtag/-/has-tostringtag-1.0.2.tgz",
+      "integrity": "sha512-NqADB8VjPFLM2V0VvHUewwwsw0ZWBaIdgo+ieHtK3hasLz4qeCRjYcqfB6AQrBggRKppKF8L52/VqdVsO47Dlw==",
+      "license": "MIT",
+      "dependencies": {
+        "has-symbols": "^1.0.3"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
     "node_modules/hasown": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/hasown/-/hasown-2.0.3.tgz",
@@ -722,6 +882,42 @@
         "url": "https://opencollective.com/express"
       }
     },
+    "node_modules/https-proxy-agent": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-5.0.1.tgz",
+      "integrity": "sha512-dFcAjpTQFgoLMzC2VwU+C/CbS7uRL0lWmxDITmqm7C+7F0Odmj6s9l6alZc6AELXhrnggM2CeWSXHGOdX2YtwA==",
+      "license": "MIT",
+      "dependencies": {
+        "agent-base": "6",
+        "debug": "4"
+      },
+      "engines": {
+        "node": ">= 6"
+      }
+    },
+    "node_modules/https-proxy-agent/node_modules/debug": {
+      "version": "4.4.3",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.3.tgz",
+      "integrity": "sha512-RGwwWnwQvkVfavKVt22FGLw+xYSdzARwm0ru6DhTVA3umU5hZc28V3kO4stgYryrTlLpuvgI9GiijltAjNbcqA==",
+      "license": "MIT",
+      "dependencies": {
+        "ms": "^2.1.3"
+      },
+      "engines": {
+        "node": ">=6.0"
+      },
+      "peerDependenciesMeta": {
+        "supports-color": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/https-proxy-agent/node_modules/ms": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
+      "license": "MIT"
+    },
     "node_modules/iconv-lite": {
       "version": "0.4.24",
       "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
@@ -1174,6 +1370,15 @@
         "node": ">= 0.10"
       }
     },
+    "node_modules/proxy-from-env": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-2.1.0.tgz",
+      "integrity": "sha512-cJ+oHTW1VAEa8cJslgmUZrc+sjRKgAKl3Zyse6+PV38hZe/V6Z14TbCuXcan9F9ghlz4QrFr2c92TNF82UkYHA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/qs": {
       "version": "6.15.2",
       "resolved": "https://registry.npmjs.org/qs/-/qs-6.15.2.tgz",
@@ -1248,6 +1453,13 @@
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
       "license": "MIT"
     },
+    "node_modules/scmp": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/scmp/-/scmp-2.1.0.tgz",
+      "integrity": "sha512-o/mRQGk9Rcer/jEEw/yw4mwo3EU/NvYvp577/Btqrym9Qy5/MdWGBqipbALgd2lrdWTJ5/gqDusxfnQBxOxT2Q==",
+      "deprecated": "Just use Node.js's crypto.timingSafeEqual()",
+      "license": "BSD-3-Clause"
+    },
     "node_modules/semver": {
       "version": "7.8.1",
       "resolved": "https://registry.npmjs.org/semver/-/semver-7.8.1.tgz",
@@ -1436,6 +1648,24 @@
         "node": ">=0.6"
       }
     },
+    "node_modules/twilio": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/twilio/-/twilio-6.0.2.tgz",
+      "integrity": "sha512-RN3TZxUtxLz2HBZVt62+LdZxQbrMVgYKtuzLgwmO7nqKvR+gQS5mCackD9hf4Y7MmoK/bX7tCm7kaJC8kC8zFA==",
+      "license": "MIT",
+      "dependencies": {
+        "axios": "^1.13.5",
+        "dayjs": "^1.11.9",
+        "https-proxy-agent": "^5.0.0",
+        "jsonwebtoken": "^9.0.3",
+        "qs": "^6.14.1",
+        "scmp": "^2.1.0",
+        "xmlbuilder": "^13.0.2"
+      },
+      "engines": {
+        "node": ">=20.0.0"
+      }
+    },
     "node_modules/type-is": {
       "version": "1.6.18",
       "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
@@ -1512,6 +1742,15 @@
         "url": "https://github.com/chalk/wrap-ansi?sponsor=1"
       }
     },
+    "node_modules/xmlbuilder": {
+      "version": "13.0.2",
+      "resolved": "https://registry.npmjs.org/xmlbuilder/-/xmlbuilder-13.0.2.tgz",
+      "integrity": "sha512-Eux0i2QdDYKbdbA6AM6xE4m6ZTZr4G4xF9kahI2ukSEMCzwce2eX9WlTI5J3s+NU7hpasFsr8hWIONae7LluAQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=6.0"
+      }
+    },
     "node_modules/xtend": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",

package.json

@@ -10,9 +10,11 @@
   "dependencies": {
     "@temporalio/client": "^1.16.2",
     "bcryptjs": "^3.0.3",
+    "dotenv": "^17.4.2",
     "express": "^4.18.2",
     "jsonwebtoken": "^9.0.3",
     "pg": "^8.21.0",
+    "twilio": "^6.0.2",
     "uuid": "^14.0.0"
   }
 }

testTwilio.js

@@ -0,0 +1,15 @@
+const whatsappService = require('./backend/whatsappService');
+
+async function test() {
+    console.log('Sending test token message...');
+    const result = await whatsappService.sendTokenConfirmation(
+        '+918500176938',
+        'ON-777',
+        'CuraFlow Testing Clinic',
+        '04:30 PM',
+        500
+    );
+    console.log('Result:', result);
+}
+
+test();