//! Core traits and types for OWLEN LLM client
//!
//! This crate provides the foundational abstractions for building
//! LLM providers, routers, and MCP (Model Context Protocol) adapters.

pub mod config;
pub mod conversation;
pub mod formatting;
pub mod input;
pub mod model;
pub mod provider;
pub mod router;
pub mod session;
pub mod storage;
pub mod types;
pub mod ui;
pub mod wrap_cursor;

pub use config::*;
pub use conversation::*;
pub use formatting::*;
pub use input::*;
pub use model::*;
pub use provider::*;
pub use router::*;
pub use session::*;

/// Result type used throughout the OWLEN ecosystem
pub type Result<T> = std::result::Result<T, Error>;

/// Core error types for OWLEN
#[derive(thiserror::Error, Debug)]
pub enum Error {
    #[error("Provider error: {0}")]
    Provider(#[from] anyhow::Error),

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

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

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

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

    #[error("Invalid input: {0}")]
    InvalidInput(String),

    #[error("Operation timed out: {0}")]
    Timeout(String),

    #[error("Serialization error: {0}")]
    Serialization(#[from] serde_json::Error),

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

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