use thiserror::Error;

#[derive(Debug, Error)]
pub enum ConfigError {
    #[error("failed to load .env file: {0}")]
    DotEnv(#[from] dotenvy::Error),

    #[error("config parse/merge error: {0}")]
    Figment(Box<figment::Error>),

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

    #[error("config validation failed: {0}")]
    Validation(String),
}
impl From<figment::Error> for ConfigError {
    fn from(error: figment::Error) -> Self {
        // Boxed because a figment error carries ~200 bytes of provenance; an
        // inline variant would make every `Result<_, ConfigError>` in the
        // workspace pay for it on the success path too.
        Self::Figment(Box::new(error))
    }
}