//! Error types for the Cypraea shell.

use thiserror::Error;

#[derive(Debug, Error)]
pub enum CypraeaError {
    #[error("I/O error: {0}")]
    Io(#[from] std::io::Error),

    #[error("Invalid JSON: {0}")]
    Json(#[from] serde_json::Error),

    #[error("Database error: {0}")]
    Database(String),

    #[error("Session error: {0}")]
    Session(String),

    #[error("Command error: {0}")]
    Command(String),

    #[error("Protocol error: {0}")]
    Protocol(String),

    #[error("{0}")]
    Other(String),
}

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