use thiserror::Error;

#[derive(Error, Debug)]
pub enum NdError {
    #[error("connection failed: {0}")]
    Connect(String),
    #[error("protocol error: {0}")]
    Protocol(String),
    #[error("authentication failed: {0}")]
    Auth(String),
    #[error("session denied: {0}")]
    Denied(String),
    #[error("crypto error: {0}")]
    Crypto(String),
    #[error("websocket closed")]
    Closed,
    #[error(transparent)]
    Json(#[from] serde_json::Error),
    #[error(transparent)]
    Other(#[from] anyhow::Error),
}

pub type Result<T> = std::result::Result<T, NdError>;