use rand::Rng;
use std::cmp::Ordering;
use std::io;

fn main() {
    println!("Guess the number!");
    let secret_number = rand::rng().random_range(1..=100);

    loop {
        match input_guess().cmp(&secret_number) {
            Ordering::Less => println!("Too small!"),
            Ordering::Greater => println!("Too big!"),
            Ordering::Equal => {
                println!("😻 You win!");
                break;
            }
        }
    }
}

fn input_guess() -> u32 {
    println!("Please input your guess");
    let mut guess = String::new();
    io::stdin()
        .read_line(&mut guess)
        .expect("failed to read line");

    // let guess: u32 = guess.trim().parse().expect("Please type a number!");
    let guess: u32 = match guess.trim().parse() {
        Ok(num) => num,
        Err(_) => input_guess(),
    };
    return guess;
}