//! Error types for the TST module.

use thiserror::Error;
use std::io;

/// Error type for TST operations.
#[derive(Debug, Error)]
pub enum Error {
    /// Error from OurDB operations.
    #[error("OurDB error: {0}")]
    OurDB(#[from] ourdb::Error),
    
    /// Error when a key is not found.
    #[error("Key not found: {0}")]
    KeyNotFound(String),
    
    /// Error when a prefix is not found.
    #[error("Prefix not found: {0}")]
    PrefixNotFound(String),
    
    /// Error during serialization.
    #[error("Serialization error: {0}")]
    Serialization(String),
    
    /// Error during deserialization.
    #[error("Deserialization error: {0}")]
    Deserialization(String),
    
    /// Error for invalid operations.
    #[error("Invalid operation: {0}")]
    InvalidOperation(String),
    
    /// IO error.
    #[error("IO error: {0}")]
    IO(#[from] io::Error),
}