use anyhow::Result;
use argon2::{
    password_hash::{rand_core::OsRng, SaltString},
    Argon2, PasswordHash, PasswordHasher, PasswordVerifier,
};

pub fn random() -> String {
    SaltString::generate(&mut OsRng).to_string()
}

pub fn hash(plaintext: &str) -> Result<String> {
    let salt = SaltString::generate(&mut OsRng);
    Ok(Argon2::default()
        .hash_password(plaintext.as_bytes(), &salt)?
        .to_string())
}

pub fn verify(plaintext: &str, hash: &str) -> Result<bool> {
    let parsed_hash = PasswordHash::new(hash)?;
    Ok(Argon2::default()
        .verify_password(plaintext.as_bytes(), &parsed_hash)
        .is_ok())
}