[dependencies]
classical_cipher = { git = "https://github.com/00Masato/classical_cipher" }

use classical_cipher::caesar::Caesar;
use classical_cipher::vigenere::Vigenere;

fn main() {
    let caesar = Caesar::new(3);
    let vigenere = Vigenere::new("key");

    let plain_text = "Hello, world!";
    let encrypted_text = caesar.encrypt(plain_text);
    let decrypted_text = caesar.decrypt(&encrypted_text);

    println!("plain_text: {}", plain_text);
    println!("encrypted_text: {}", encrypted_text);
    println!("decrypted_text: {}", decrypted_text);

    let encrypted_text = vigenere.encrypt(plain_text);
    let decrypted_text = vigenere.decrypt(&encrypted_text);

    println!("plain_text: {}", plain_text);
    println!("encrypted_text: {}", encrypted_text);
    println!("decrypted_text: {}", decrypted_text);
}