use argon2::{Algorithm, Argon2, Params, PasswordHasher, Version};
use argon2::password_hash::{SaltString, rand_core::OsRng};

fn main() {
    let password = std::env::args().nth(1).unwrap_or_else(|| "demo123".to_string());
    let salt = SaltString::generate(&mut OsRng);
    let argon2 = Argon2::new(Algorithm::Argon2id, Version::V0x13, Params::default());
    match argon2.hash_password(password.as_bytes(), &salt) {
        Ok(hash) => println!("{}", hash),
        Err(e) => eprintln!("Error: {}", e),
    }
}