zero_pass_backend 0.0.7

use crate::encrypt::{MethodArgs, Methods};
use std::collections::HashMap;

pub mod encrypt;
pub mod login_data;

#[derive(Debug, Clone, PartialEq)]
pub enum CipherError {
    InvalidCharacterError,
    InvalidMethodError,
}

pub type CipherResult = Result<String, CipherError>;

#[derive(Debug, Clone, PartialEq)]
pub struct LoginData<'a> {
    symetric_method: Methods<'a>,
    pub cpw: CipherResult,
}

pub fn get_methods<'a>() -> HashMap<String, fn(MethodArgs<'a>) -> Methods<'a>> {
    let mut methods: HashMap<String, fn(MethodArgs<'a>) -> Methods<'a>> = HashMap::new();

    methods.insert(String::from("Vigenere"), Methods::Vigenere);
    methods.insert(String::from("Base64"), Methods::B64);
    methods.insert(String::from("Xor"), Methods::Xor);

    methods
}

#[cfg(test)]
mod tests {

    use super::*;

    #[test]
    fn methods_test() {
        let uw: String = String::from("uniquepass");
        let vw: String = String::from("variablepass");

        assert_eq!(encrypt::vigenere(&uw, &vw), Ok("pnzyufaehs".to_string()));
        assert_eq!(encrypt::b64(&vw), Ok("dmFyaWFibGVwYXNz".to_string()));
        assert_eq!(encrypt::xor(&uw, &vw), Ok("dpyuheds".to_string()));
    }

    #[test]
    fn gen_test() {
        let data = encrypt::MethodArgs {
            word: "uniquepass",
            password: "variablepass",
        };
        let vige_method = Methods::Vigenere(data.clone());
        let base_method = Methods::B64(data.clone());
        let xor_method = Methods::Xor(data.clone());

        assert_eq!(
            encrypt::gen_pass(&vige_method, None),
            Ok("pnzyufaehs".to_string())
        );
        assert_eq!(
            encrypt::gen_pass(&base_method, None),
            Ok("dmFyaWFibGVwYXNz".to_string())
        );
        assert_eq!(
            encrypt::gen_pass(&xor_method, None),
            Ok("dpyuheds".to_string())
        );

        assert_eq!(
            encrypt::gen_pass(&vige_method, Some(2)),
            Ok("knqgugliws".to_string())
        );
        assert_eq!(
            encrypt::gen_pass(&base_method, Some(2)),
            Ok("ZG1GeWFXRmliR1Z3WVhOeg==".to_string())
        );
        assert_eq!(
            encrypt::gen_pass(&xor_method, Some(2)),
            Ok("srljhiw".to_string())
        );
    }

    #[test]
    fn hashmap_test<'a>() {
        let methods: HashMap<String, fn(MethodArgs<'a>) -> Methods<'a>> = crate::get_methods();

        for (key, _) in methods.iter() {
            let get_func = methods.get(key).unwrap();
            let _method: Methods = get_func(MethodArgs {
                word: "a",
                password: "b",
            });
        }
    }
}