// Libraries
use crate::{resource, secure};

// Structures
pub struct Auth {
    pub verified: bool,
    pub username: String,
    pub key: String
}

// Implementations
impl Auth {
    pub fn exists() -> bool {
        return resource::ResourceFile::exists("res/auth.dat");
    }
    pub fn authenticate(username: String, password: String) -> Self {
        // Read from the Auth file
        let file_auth: resource::ResourceFile = resource::ResourceFile::read("res/auth.dat");

        // Decrypting the content of the file with the password
        let auth_plaintext: String = secure::Secure::decrypt(file_auth.content, password.clone());

        // Testing if the user is authenticated:
        let auth_status: bool = auth_plaintext == username;

        // Returning the result
        return Auth {verified: auth_status, username: username, key: password};
    }
    pub fn create(username: String, password: String) -> Self {
        // Encrypting our username based on our password
        let cipher_username: String = secure::Secure::encrypt(username.clone(), password.clone());

        // Saving that to a file
        let _: resource::ResourceFile = resource::ResourceFile::write("res/auth.dat", cipher_username);

        // Returning the result
        return Auth {verified: true, username: username, key: password};
    }
}