#!/usr/bin/env python3
"""
WhatsApp Test Script
"""
import os
from dotenv import load_dotenv
from twilio.rest import Client
from twilio.base.exceptions import TwilioException

load_dotenv()

def test_whatsapp_connection():
    """Test WhatsApp connection and provide opt-in instructions"""
    
    account_sid = os.getenv("TWILIO_ACCOUNT_SID")
    auth_token = os.getenv("TWILIO_AUTH_TOKEN")
    from_number = os.getenv("TWILIO_WHATSAPP_NUMBER")
    to_number = os.getenv("WHATSAPP_TO_NUMBER")
    
    print("🔍 WhatsApp Configuration Check:")
    print(f"   Account SID: {account_sid[:10]}..." if account_sid else "❌ Not set")
    print(f"   Auth Token: {'✅ Set' if auth_token else '❌ Not set'}")
    print(f"   From Number: {from_number}")
    print(f"   To Number: {to_number}")
    print()
    
    if not all([account_sid, auth_token, from_number, to_number]):
        print("❌ Missing required environment variables")
        return
    
    try:
        client = Client(account_sid, auth_token)
        
        # Test message
        test_message = "🚀 Email Alerts System Test\n\nThis is a test message to verify WhatsApp connectivity."
        
        print("📱 Sending test WhatsApp message...")
        
        message = client.messages.create(
            from_=f"whatsapp:{from_number}",
            body=test_message,
            to=f"whatsapp:{to_number}"
        )
        
        print(f"✅ Test message sent successfully!")
        print(f"   Message SID: {message.sid}")
        print(f"   Status: {message.status}")
        print()
        print("📋 If you don't receive the message, you need to opt-in:")
        print(f"   1. Open WhatsApp on your phone")
        print(f"   2. Send 'join <your-opt-in-code>' to {from_number}")
        print(f"   3. Or send any message to {from_number} to start the conversation")
        print()
        print("🔗 Twilio WhatsApp Setup Guide:")
        print("   https://www.twilio.com/docs/whatsapp/quickstart/python")
        
    except TwilioException as e:
        print(f"❌ Twilio Error: {e}")
        print()
        print("🔧 Troubleshooting:")
        print("   1. Check your Twilio account is active")
        print("   2. Verify WhatsApp Business API is enabled")
        print("   3. Ensure the phone numbers are in correct format (+1234567890)")
        print("   4. Check if you need to opt-in to receive messages")

if __name__ == "__main__":
    test_whatsapp_connection()