use thiserror::Error;
#[derive(Error, Debug)]
pub enum ConfigError {
#[error("Configuration key not found: {0}")]
KeyNotFound(String),
#[error("Failed to load configuration: {0}")]
LoadError(String),
#[error("Failed to parse configuration: {0}")]
ParseError(String),
#[error("Validation error: {0}")]
ValidationError(String),
#[error("Serialization error: {0}")]
SerializationError(String),
#[error("Deserialization error: {0}")]
DeserializationError(String),
#[error("IO error: {0}")]
IoError(#[from] std::io::Error),
#[error("Environment variable error: {0}")]
EnvError(#[from] std::env::VarError),
}
pub type Result<T> = std::result::Result<T, ConfigError>;