argh

import React from 'react';
import { Alert } from 'react-native';
import AsyncStorage from '@react-native-community/async-storage';

const STORAGE_KEY = '@has_stored_value';

// TODO: add the readData in here
// it'll probably complain because we can only have one export default
// find out how/if i can export multiple functions and variables from many functions
//...in a single hook

//TODO: is the data = storedValue ok? Ask Alex later

export default () => {
  const [errorMessage, setErrorMessage] = React.useState('');

  const saveData = async (data, callback) => {
    try {
      console.log(data, 'data!!');
      const storedData = await AsyncStorage.setItem(STORAGE_KEY, data);
      storedData.then(() => {
        console.log(storedData, 'testing');
        if (callback) {
          callback(data);
        }
        console.log(data, 'DATAAA');
        return data;
      });
    } catch (e) {
      setErrorMessage('Language selection storage error');
      if (callback) {
        callback(null);
      }
      return null;
    }
  };
  return [saveData, errorMessage];
};