import { v4 } from 'uuid';
import { IonProfile } from './auth_ion';
import { UserModel } from './models';

/**
 * Records users by id
 */
export const users: Record<string, Carpool.User> = {
	myfatemi04: {
		uuid: '3baeaed6-05cb-4c03-9b43-1d74beafdbb7',
		email: '2022mfatemi@tjhsst.edu',
		username: 'myfatemi04',
		first_name: 'Michael',
		last_name: 'Fatemi',
	},
};

/**
 * Records groups by id
 */
export const groups: Record<string, Carpool.Group> = {};

/**
 * Records pools by id
 */
export const pools: Record<string, Carpool.Pool> = {};

/**
 *
 * @param userID The userID to find
 * @returns The group IDs with that userID as a member
 */
export function getGroupsWithUser(userID: string) {
	let groupIDs = [];
	for (let group of Object.values(groups)) {
		if (group.member_ids.includes(userID)) {
			groupIDs.push(group.id);
		}
	}

	return groupIDs;
}

/**
 *
 * @param userID The userID to find
 * @returns The post IDs with that userID as the author
 */
export function getPoolsWithUser(userID: string) {
	let poolIDs: string[] = [];
	for (let post of Object.values(pools)) {
		if (post.author_id == userID) {
			poolIDs.push(post.id);
		}
	}

	return poolIDs;
}

export async function getUserByID(userID: string) {
	return await UserModel.findById(userID).exec();
}

export function getPoolByID(poolID: string): Carpool.Pool | undefined {
	return pools[poolID];
}

export function getGroupByID(groupID: string): Carpool.Group | undefined {
	return groups[groupID];
}

export async function getUserByEmail(
	email: string
): Promise<Carpool.User | undefined> {
	return ((
		await UserModel.findOne({
			email,
		}).exec()
	).toJSON() as unknown) as Carpool.User;
}

export async function registerUserFromIonProfile(
	profile: IonProfile
): Promise<string> {
	const user = new UserModel({
		uuid: v4(),
		username: profile.ion_username,
		email: profile.tj_email,
		first_name: profile.first_name,
		last_name: profile.last_name,
	});

	user.save(function (err) {
		if (err) return console.error(err);
	});

	console.log('Registered user', user);
	return user.id;
}