'use strict';

const knex = require('./knex');
const { curateStash } = require('./stashes');

function curateUser(user) {
	if (!user) {
		return null;
	}

	const ability = [...(user.role_abilities || []), ...(user.abilities || [])];

	const curatedUser = {
		id: user.id,
		username: user.username,
		email: user.email,
		emailVerified: user.email_verified,
		identityVerified: user.identity_verified,
		ability,
		createdAt: user.created_at,
		stashes: user.stashes?.filter(Boolean).map((stash) => curateStash(stash)) || [],
	};

	return curatedUser;
}

async function fetchUser(userId, raw) {
	const user = await knex('users')
		.select(knex.raw('users.*, users_roles.abilities as role_abilities, COALESCE(json_agg(stashes ORDER BY stashes.created_at) FILTER (WHERE stashes.id IS NOT NULL), \'[]\') as stashes'))
		.modify((builder) => {
			if (typeof userId === 'number') {
				builder.where('users.id', userId);
			}

			if (typeof userId === 'string') {
				builder
					.where('users.username', userId)
					.orWhere('users.email', userId);
			}
		})
		.leftJoin('users_roles', 'users_roles.role', 'users.role')
		.leftJoin('stashes', 'stashes.user_id', 'users.id')
		.groupBy('users.id', 'users_roles.role')
		.first();

	if (raw) {
		return user;
	}

	return curateUser(user);
}

module.exports = {
	curateUser,
	fetchUser,
};