use rust_util::XResult;
use openpgp_card::{OpenPGPCardUser, OpenPGPCard};

pub fn get_card_user_sw1_81(pass: &str) -> XResult<OpenPGPCardUser> {
    match OpenPGPCard::list_cards() {
        Ok(list) => {
            // pw1_81 for signature
            // openssl dgst -sha256 -verify aa -signature sig LICENSE
            if list.is_empty() {
                return simple_error!("Cannot find any card");
            }
            match list.into_iter().next().unwrap().verify_pw1_81(pass) {
                Result::Ok(user) => Ok(user),
                Result::Err(_) => simple_error!("Verify pw1_81 OpenPGP card failed"),
            }
        }
        Err(e) => simple_error!("Read OpenPGP card failed: {}", e),
    }
}

pub fn get_card_user_sw1_82(pass: &str) -> XResult<OpenPGPCardUser> {
    match OpenPGPCard::list_cards() {
        Ok(list) => {
            // pw1_82 for decrypt
            // PKCSv1.5
            if list.is_empty() {
                return simple_error!("Cannot find any card");
            }
            match list.into_iter().next().unwrap().verify_pw1_82(pass) {
                Result::Ok(user) => Ok(user),
                Result::Err(_) => simple_error!("Verify pw1_82 OpenPGP card failed"),
            }
        }
        Err(e) => simple_error!("Read OpenPGP card failed: {}", e),
    }
}