use thiserror::Error;

/// Error types for the ACLDB module
#[derive(Error, Debug)]
pub enum Error {
    /// Permission denied error
    #[error("Permission denied")]
    PermissionDenied,
    
    /// Record not found error
    #[error("Record not found")]
    NotFound,
    
    /// Invalid operation error
    #[error("Invalid operation: {0}")]
    InvalidOperation(String),
    
    /// Path error
    #[error("Path error: {0}")]
    PathError(String),
    
    /// OurDB error
    #[error("OurDB error: {0}")]
    OurDBError(#[from] ourdb::Error),
    
    /// TST error
    #[error("TST error: {0}")]
    TSTError(#[from] tst::Error),
    
    /// IO error
    #[error("IO error: {0}")]
    IOError(#[from] std::io::Error),
    
    /// Serialization error
    #[error("Serialization error: {0}")]
    SerializationError(#[from] serde_json::Error),
    
    /// Signature verification error
    #[error("Signature verification error: {0}")]
    SignatureError(String),
    
    /// Invalid request error
    #[error("Invalid request: {0}")]
    InvalidRequest(String),
}