//! Error types for vendor backend operations.

/// Errors that can occur during vendor data operations.
#[derive(Debug, thiserror::Error)]
pub enum VendorError {
    /// The requested equipment model was not found in this vendor's catalog.
    #[error("Model not found: {0}")]
    ModelNotFound(String),

    /// The data file has an invalid or unsupported format.
    #[error("Invalid data format: {0}")]
    InvalidFormat(String),

    /// The expected data file could not be found on disk.
    #[error("Data file not found: {0}")]
    FileNotFound(String),

    /// JSON parsing failed.
    #[error("Parse error: {0}")]
    ParseError(#[from] serde_json::Error),

    /// An I/O error occurred while reading vendor data.
    #[error("IO error reading {path}: {source}")]
    IoError {
        /// The path where the IO error occurred.
        path: String,
        /// The underlying IO error.
        #[source]
        source: std::io::Error,
    },
}