import bcrypt from 'bcryptjs';
import * as argon2 from 'argon2';

export async function hashPassword(password: string): Promise<string> {
	return argon2.hash(password);
}

export async function comparePassword(password: string, hash: string): Promise<boolean> {
	if (isOldAlgorithm(hash)) return bcrypt.compare(password, hash);

	return argon2.verify(hash, password);
}

export function isOldAlgorithm(hash: string): boolean {
	// bcrypt hashes start with $2[ab]$
	return hash.startsWith('$2');
}