const STORAGE_ACCESS = 'access_token';
const STORAGE_ID = 'id_token';
const STORAGE_EXPIRES = 'expires_at';
const STORAGE_USER = 'user_info';
const STORAGE_STATE = 'auth-state';
const STORAGE_NONCE = 'auth-nonce';

/**
 * Removes all auth specific items from storage.
 */
export const clear = () => {
  localStorage.removeItem(STORAGE_ACCESS);
  localStorage.removeItem(STORAGE_ID);
  localStorage.removeItem(STORAGE_EXPIRES);
  localStorage.removeItem(STORAGE_USER);
  localStorage.removeItem(STORAGE_STATE);
  localStorage.removeItem(STORAGE_NONCE);
};

export const storeAuth = ({
  accessToken, idToken, user, expiresAt,
}) => {
  localStorage.setItem(STORAGE_ACCESS, accessToken);
  localStorage.setItem(STORAGE_ID, idToken);
  localStorage.setItem(STORAGE_EXPIRES, expiresAt);
  localStorage.setItem(STORAGE_USER, JSON.stringify(user));
};

export const storeStateAndNonce = (state, nonce) => {
  localStorage.setItem(STORAGE_STATE, JSON.stringify(state));
  localStorage.setItem(STORAGE_NONCE, nonce);
};

export const getStateAndNonce = () => ({
  state: localStorage.getItem(STORAGE_STATE),
  nonce: localStorage.getItem(STORAGE_NONCE),
});

export const clearStateAndNonce = () => {
  localStorage.removeItem(STORAGE_STATE);
  localStorage.removeItem(STORAGE_NONCE);
};

export const getUserInfo = () => JSON.parse(localStorage.getItem(STORAGE_USER));
export const getIdToken = () => localStorage.getItem(STORAGE_ID);
export const getExpiresAt = () => JSON.parse(localStorage.getItem(STORAGE_EXPIRES));