//! `relicario rate` — score a passphrase via zxcvbn.

use anyhow::Result;

pub fn cmd_rate(passphrase: String) -> Result<()> {
    let pw: String = if passphrase == "-" {
        use std::io::BufRead;
        let stdin = std::io::stdin();
        let mut line = String::new();
        stdin.lock().read_line(&mut line)?;
        line.trim_end_matches(&['\r', '\n'][..]).to_string()
    } else {
        passphrase
    };
    let est = relicario_core::generators::rate_passphrase(&pw);
    let label = match est.score {
        0 => "very weak",
        1 => "weak",
        2 => "fair",
        3 => "good",
        4 => "strong",
        _ => "?",
    };
    println!("score:    {}/4  ({})", est.score, label);
    println!("guesses:  ~10^{:.1}", est.guesses_log10);
    println!("note:     init requires score ≥ 3 (see `relicario init`)");
    Ok(())
}