// @flow
import Auth0 from 'react-native-auth0';
import { type EmailAndPassword } from '../AuthManager';
import { auth0ClientId } from '../constants/AppConstants';

let auth0Instance = null;

export type Auth0User = {
	email: string,
	accessToken: string,
	expiresIn: number,
	idToken: string,
};

const getAuth0Instance = () => {
	return (
		auth0Instance ||
		new Auth0({
			domain: 'wheresthetp.auth0.com',
			clientId: auth0ClientId,
		})
	);
};

export const loginAuth0 = async ({ email, password }: EmailAndPassword): Promise<?Auth0User> => {
	const creds = await getAuth0Instance().auth.passwordRealm({
		username: email,
		password,
		realm: 'Username-Password-Authentication',
	});
	return {
		email,
		...creds,
	};
};

export const createAuth0User = async ({ email, password }) => {
	const creds = await getAuth0Instance().auth.createUser({
		email,
		username: email,
		password,
		connection: 'Username-Password-Authentication',
	});
	return creds;
};

export const resetAuth0Password = async () => {
	const creds = await getAuth0Instance().webAuth.authorize({
		scope: 'openid profile email',
		audience: 'https://wheresthetp.auth0.com/userinfo',
	});
	return creds;
};