/**
 * Controllers: Users
 */

const schemas = require(`./schemas`);
const base = require(`../base`);
const userUtils = require(`./utils`);

/**
 * Save
 * @param {*} req
 * @param {*} res
 */
const register = async (req, res) => {
	const config = {
		validationSchema: schemas.create,
		getObjectKey: () => req.body.email,
		buildDbObject: () => {
			return {
				hk: req.body.email,
				password: userUtils.hashPassword(req.body.password)
			};
		},
		dbKind: `user`,
		buildResponseBody: createdUser => {
			return {
				message: `Authentication successful`,
				token: userUtils.getToken(createdUser),
			};
		}
	};
	await base.createAction(req, res, config);
};

/**
 * Sign a user in
 * @param {*} req
 * @param {*} res
 */
const login = async (req, res) => {
	const config = {
		validationSchema: schemas.login,
		getObjectKey: () => req.body.email,
		notFoundMessage: `Authentication failed. User not found.`,
		buildResponseBody: user => {
			const isCorrect = userUtils.comparePassword(req.body.password, user.password);
			if (!isCorrect) {
				return res
					.status(401)
					.send({ error: `Authentication failed. Wrong password.` });
			}
		
			return {
				message: `Authentication successful`,
				token: userUtils.getToken(user),
			};
		}
	};

	await base.getByKeyAction(req, res, config);
};

/**
 * Get a user
 * @param {*} req
 * @param {*} res
 */
const get = async (req, res) => {
	const user = userUtils.convertToPublicFormat(req.user);
	res.json({ user });
};

module.exports = {
	register,
	login,
	get,
};