import { AtpAgent } from "@atproto/api";
import { parseArgs } from "@std/cli";

export const loginToService = async () => {
  const {
    username = Deno.env.get("ATP_USERNAME"),
    password = Deno.env.get("ATP_PASSWORD"),
    service = Deno.env.get("SERVICE_URI") ?? "https://bsky.social",
    proxy = Deno.env.get("SERVICE_DID"),
  } = parseArgs(Deno.args);

  const agent = new AtpAgent({ service });
  agent.configureProxy(proxy);

  try {
    await agent.login({ identifier: username, password });
  } catch (e) {
    console.dir(e);
    if (e instanceof Error && e.name === "AuthFactorTokenRequiredError") {
      let authFactorToken;

      do {
        authFactorToken = prompt(
          `Check your email for a login token and enter it below:`
        );
      } while (!authFactorToken);

      try {
        await agent.login({
          identifier: username,
          password,
          authFactorToken,
        });
      } catch (e) {
        console.error(e);
      }
    }
  }
  return agent;
};