import { Twilio } from "twilio";

import { getState, setState } from "windmill-client@1";

type Twilio = {

  accountSid: string;

  token: string;

};

export async function main(auth: Twilio, phoneNumber: string) {

  const client = new Twilio(auth.accountSid, auth.token);

  const lastCheckedTime: number | null = await getState();

  const messages = await client.messages.list({

    to: phoneNumber,

    limit: 1000,

  });

  const newMessages = lastCheckedTime

    ? messages.filter((message) => message.dateCreated.getTime() > lastCheckedTime)

    : messages;

  if (newMessages.length > 0) {

    await setState(newMessages[0].dateCreated.getTime());

  }

  return newMessages;

}