use scrypt::{
    password_hash::{rand_core::OsRng, PasswordHash, PasswordHasher, PasswordVerifier, SaltString},
    Params, Scrypt,
};

use std::time::SystemTime;

fn main() {
    let password = b"hunter42"; // Bad password; don't actually use!
    let start = SystemTime::now();

    let salt = SaltString::generate(&mut OsRng);
    println!("salt: {}", salt);

    // Hash password to PHC string ($scrypt$...)
    let param = Params::new(13, 8, 1, 32).unwrap();
    let password_hash = Scrypt
        .hash_password_customized(password, None, None, param, &salt)
        .unwrap()
        .to_string();
    print!("password_hash: {}", password_hash);
    println!(
        "Elapsed time: {:?}",
        SystemTime::now().duration_since(start)
    );
    // Verify password against PHC string

    let parsed_hash = PasswordHash::new(&password_hash).unwrap();
    assert!(Scrypt.verify_password(password, &parsed_hash).is_ok());
    println!(
        "Elapsed time: {:?}",
        SystemTime::now().duration_since(start)
    );
}