//! Domain error types for the CMS crate.
//!
//! Typed error enums for repository and service operations.
//! The `RepositoryError` type is re-exported from `zesdex_utils::Error`,
//! which has all needed variants: `NotFound`, `Conflict`, `Io`, `Serde`,
//! `InvalidId`, `Other`, etc.
//!
//! `From` impls are generated by `thiserror::Error` derive macros.
//! Anyhow's blanket `From<E: StdError + Send + Sync + 'static>`
//! covers conversion to `anyhow::Error` for downstream code.

// ---------------------------------------------------------------------------
// RepositoryError (type alias)
// ---------------------------------------------------------------------------

/// Re-export shared repository error from `zesdex_utils`.
pub use zesdex_utils::Error as RepositoryError;

// `From<RepositoryError> for anyhow::Error` is covered by anyhow's blanket
// `impl<E: StdError + Send + Sync + 'static> From<E> for Error` — no
// explicit impl needed.

// ---------------------------------------------------------------------------
// ServiceError
// ---------------------------------------------------------------------------

/// Errors from service / use-case operations in the CMS domain.
#[derive(Debug, thiserror::Error)]
pub enum ServiceError {
    /// A repository operation failed.
    #[error("repository error: {0}")]
    Repository(#[from] RepositoryError),
    /// The provided input is invalid.
    #[error("invalid input: {0}")]
    InvalidInput(String),
    /// A generic error with a message.
    #[error("{0}")]
    Other(String),
}

// `From<ServiceError> for anyhow::Error` is covered by anyhow's blanket impl.