use oas_sdk::error::OasError;

fn example() -> Result<(), OasError> {
    // Any sub-crate error can be converted via `?`
    Ok(())
}

#[derive(Debug, Error)]
pub enum OasError {
    /// A DID parsing error.
    #[error("DID error: {0}")]
    Did(#[from] oas_did::DidError),

    /// A cryptographic operation error.
    #[error("crypto error: {0}")]
    Crypto(#[from] oas_crypto::CryptoError),

    /// A document operation error.
    #[error("document error: {0}")]
    Document(#[from] oas_document::DocumentError),

    /// A lineage verification error.
    #[error("lineage error: {0}")]
    Lineage(#[from] oas_lineage::LineageError),

    /// A privileged lineage authority verification error.
    #[error("lineage authority error: {reason}")]
    LineageAuthority {
        /// Description of why privileged authority was not accepted.
        reason: String,
    },

    /// A DID resolution error.
    #[cfg(feature = "resolve")]
    #[error("resolve error: {0}")]
    Resolve(#[from] oas_resolve::ResolveError),

    /// An attestation operation error.
    #[error("attestation error: {0}")]
    Attestation(#[from] oas_attestation::AttestationError),

    /// A JSON serialization error.
    #[error("JSON error: {0}")]
    Json(#[from] serde_json::Error),

    /// An SDK configuration or usage error.
    #[error("SDK error: {reason}")]
    Sdk {
        /// Description of what went wrong.
        reason: String,
    },
}