from common.config.app_settings import app_settings
from twilio.http.async_http_client import AsyncTwilioHttpClient
from twilio.rest import Client


class SmsHandler:
    def __init__(self) -> None:
        # delay the initialization of the twillio client, not to be created in the constructor
        self._twillo_client = None
    
    async def _get_client(self):
        """delay the initialization of the twillio client"""
        if self._twillo_client is None:
            self._twillo_client = Client(
                app_settings.TWILIO_ACCOUNT_SID,
                app_settings.TWILIO_AUTH_TOKEN,
                http_client=AsyncTwilioHttpClient(),
            )
        return self._twillo_client

    async def send_sms(self, sender: str, receiver: str, message: str):
        client = await self._get_client()
        
        message = await client.messages.create_async(
            to=receiver, from_=sender, body=message
        )
        print("this is message", message)
        return message.status