import { WhatsAppWebhookRequestBody } from "indite-js/schemas/features/whatsapp";
import { isNotDefined } from "indite-js/lib";
import { TRPCError } from "@trpc/server";
import { env } from "indite-js/env";
import { resumeWhatsAppFlow } from "../whatsapp/resumeWhatsAppFlow";

type Props = {
  entry: WhatsAppWebhookRequestBody["entry"];
};
export const receiveMessagePreview = ({ entry }: Props) => {
  if (!env.WHATSAPP_PREVIEW_FROM_PHONE_NUMBER_ID)
    throw new TRPCError({
      code: "INTERNAL_SERVER_ERROR",
      message: "WHATSAPP_PREVIEW_FROM_PHONE_NUMBER_ID is not defined",
    });
  const receivedMessage = entry.at(0)?.changes.at(0)?.value.messages?.at(0);
  if (isNotDefined(receivedMessage)) return { message: "No message found" };
  const contactName =
    entry.at(0)?.changes.at(0)?.value?.contacts?.at(0)?.profile?.name ?? "";
  const contactPhoneNumber =
    entry.at(0)?.changes.at(0)?.value?.messages?.at(0)?.from ?? "";

  return resumeWhatsAppFlow({
    receivedMessage,
    sessionId: `wa-preview-${receivedMessage.from}`,
    contact: {
      name: contactName,
      phoneNumber: contactPhoneNumber,
    },
  });
};