const eventBeforeImporting = Date.now();
import {
  DynamoDBClient,
  GetItemCommand,
  PutItemCommand,
} from "@aws-sdk/client-dynamodb";

const TABLE_NAME = "";
const TOKEN_ID = "";

const initinfSDK = Date.now();
const client = new DynamoDBClient();

console.log("sdk init successful", Date.now() - initinfSDK);

export const nowUnix = () => Math.floor(Date.now() / 1000);

export async function getManagementTokenFromDB() {
  const startTime = Date.now();

  const command = new GetItemCommand({
    TableName: TABLE_NAME,
    Key: {
      "my-key-name": { S: TOKEN_ID as string },
    },
  });
  const result = await client.send(command);
  const duration = Date.now() - startTime;
  console.info(`GetToken Time READ FROM DYNO: ${duration}ms`);

  if (!result.Item) {
    console.info("No token found in DB.");
    return null;
  }
  const tokenValue = result.Item.tokenValue.S;
  const expiresAt = parseInt(result.Item.expiresAt.N as string);
  const now = nowUnix();
  const age = expiresAt - now;
  if (now >= expiresAt) {
    console.info("Token expired.");
    return null;
  }
  console.info(`Token is valid. Expires in ${age}s`); // remove log for prod and even some more top level logs
  return tokenValue;
}

export async function saveNewToken(token: string) {
  const expiresAt = nowUnix() + Math.floor(6.5 * 24 * 60 * 60); // 6.5 days
  const now = nowUnix();

  const command = new PutItemCommand({
    TableName: TABLE_NAME,
    Item: {
      "my-key-name": { S: TOKEN_ID as string },
      tokenValue: { S: token },
      createdAt: { N: String(now) },
      expiresAt: { N: String(expiresAt) },
    },
  });
  await client.send(command);
  console.info("New token saved to DB.");
}