// Ported from Go: server/client.go:188-228

namespace NATS.Server;

/// <summary>
/// Reason a client connection was closed. Stored in connection info for monitoring
/// and passed to close handlers during connection teardown.
/// </summary>
/// <remarks>
/// Values start at 1 (matching Go's <c>iota + 1</c>) so that the default zero value
/// is distinct from any valid close reason.
/// </remarks>
public enum ClosedState
{
    ClientClosed = 1,
    AuthenticationTimeout,
    AuthenticationViolation,
    TLSHandshakeError,
    SlowConsumerPendingBytes,
    SlowConsumerWriteDeadline,
    WriteError,
    ReadError,
    ParseError,
    StaleConnection,
    ProtocolViolation,
    BadClientProtocolVersion,
    WrongPort,
    MaxAccountConnectionsExceeded,
    MaxConnectionsExceeded,
    MaxPayloadExceeded,
    MaxControlLineExceeded,
    MaxSubscriptionsExceeded,
    DuplicateRoute,
    RouteRemoved,
    ServerShutdown,
    AuthenticationExpired,
    WrongGateway,
    MissingAccount,
    Revocation,
    InternalClient,
    MsgHeaderViolation,
    NoRespondersRequiresHeaders,
    ClusterNameConflict,
    DuplicateRemoteLeafnodeConnection,
    DuplicateClientID,
    DuplicateServerName,
    MinimumVersionRequired,
    ClusterNamesIdentical,
    Kicked,
    ProxyNotTrusted,
    ProxyRequired,
}