import { decode, sign } from './jwt';

export async function generateToken(keyAndSign: { key: string, secret: string, requestSign: string }) {
  const { key, secret, requestSign } = keyAndSign;

  if (!key) {
    throw new Error('missing key');
  }

  if (!secret) {
    throw new Error('missing secret');
  }

  if (!requestSign) {
    throw new Error('missing requestSign');
  }

  const header = {
    alg: 'HS256',
    typ: 'JWT',
  };

  const payload = {
    key,
    sign: keyAndSign.requestSign,
  };

  return await sign(header, payload, keyAndSign.secret);
}

export async function generateTokenWithPIN(keyAndSign: { key: string, secret: string, requestSign: string, pin: string }) {
  const { key, secret, requestSign, pin } = keyAndSign;

  if (!key) {
    throw new Error('missing key');
  }

  if (!secret) {
    throw new Error('missing secret');
  }

  if (!requestSign) {
    throw new Error('missing requestSign');
  }

  if (!pin) {
    throw new Error('missing requestSign');
  }

  const header = {
    alg: 'HS256',
    typ: 'JWT',
  };

  const payload = {
    key,
    pin,
    sign: keyAndSign.requestSign,
  };

  return await sign(header, payload, keyAndSign.secret);
}

export function decodeToken(token: string) {
  return decode(token);
}