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use thiserror::Error;

use crate::{
    error::LibraryError, extensions::errors::InvalidExtensionError,
    treesync::errors::TreeSyncFromNodesError,
};

/// Public group creation from external error.
#[derive(Error, Debug, PartialEq, Clone)]
pub enum CreationFromExternalError {
    /// See [`LibraryError`] for more details.
    #[error(transparent)]
    LibraryError(#[from] LibraryError),
    /// This error indicates the public tree is invalid. See [`TreeSyncFromNodesError`] for more details.
    #[error(transparent)]
    TreeSyncError(#[from] TreeSyncFromNodesError),
    /// Sender not found in tree.
    #[error("Sender not found in tree.")]
    UnknownSender,
    /// The signature on the GroupInfo is not valid.
    #[error("The signature on the GroupInfo is not valid.")]
    InvalidGroupInfoSignature,
    /// The computed tree hash does not match the one in the GroupInfo.
    #[error("The computed tree hash does not match the one in the GroupInfo.")]
    TreeHashMismatch,
    /// We don't support the version of the group we are trying to join.
    #[error("We don't support the version of the group we are trying to join.")]
    UnsupportedMlsVersion,
}

/// Public group builder error.
#[derive(Error, Debug, PartialEq, Clone)]
pub enum PublicGroupBuildError {
    /// See [`LibraryError`] for more details.
    #[error(transparent)]
    LibraryError(#[from] LibraryError),
    /// Unsupported proposal type in required capabilities.
    #[error("Unsupported proposal type in required capabilities.")]
    UnsupportedProposalType,
    /// Unsupported extension type in required capabilities.
    #[error("Unsupported extension type in required capabilities.")]
    UnsupportedExtensionType,
    /// Invalid extensions set in configuration
    #[error("Invalid extensions set in configuration")]
    InvalidExtensions(#[from] InvalidExtensionError),
}