use keyfork_derive_util::{request::*, DerivationPath};
use keyfork_frame::*;
use std::path::PathBuf;

mod cli;
mod socket;

#[derive(Debug, thiserror::Error)]
pub enum Error {
    #[error("The first argument to the command should be a derivation path")]
    Args,

    #[error("The given path was incorrectly formatted: {0}")]
    ArgsFormat(#[from] keyfork_derive_util::path::Error),

    #[error("Neither KEYFORK_SOCKET_PATH nor XDG_RUNTIME_DIR were set")]
    EnvVarsNotFound,

    #[error("Socket was unable to connect to {1}: {0}")]
    Connect(std::io::Error, PathBuf),

    #[error("Could not write to or from the socket: {0}")]
    Io(#[from] std::io::Error),

    #[error("Could not perform bincode transformation: {0}")]
    Bincode(#[from] Box<bincode::ErrorKind>),

    #[error("Could not perform frame transformation: {0}")]
    FrameEnc(#[from] EncodeError),

    #[error("Could not perform frame transformation: {0}")]
    FrameDec(#[from] DecodeError),
}

fn main() -> Result<(), Error> {
    let args = cli::get_args();
    let mut socket = socket::get_socket()?;
    let path = args.get_one::<DerivationPath>("path").expect("required");
    let algo = args
        .get_one::<DerivationAlgorithm>("algorithm")
        .expect("required");
    let req = DerivationRequest::new(algo.clone(), path.clone());
    let ser_req = bincode::serialize(&req)?;
    try_encode_to(&ser_req, &mut socket)?;
    let ser_response = try_decode_from(&mut socket)?;
    let response: DerivationResponse = bincode::deserialize(&ser_response)?;
    dbg!(&response);
    Ok(())
}