mod policy;
mod resolver;
mod transport;
mod url;

pub use policy::{AllowedEndpoint, OutboundPolicy, OutboundPolicyBuilder};
pub use resolver::{Resolver, SystemResolver};
pub use transport::{OutboundClient, OutboundClientBuilder, OutboundRequest, OutboundResponse};
pub use url::{CanonicalUrl, Origin};

use thiserror::Error;

#[derive(Clone, Copy, Debug, Eq, Error, PartialEq)]
pub enum OutboundError {
    #[error("outbound URL is invalid")]
    InvalidUrl,
    #[error("outbound scheme and port are denied")]
    SchemePortDenied,
    #[error("outbound name resolution failed")]
    ResolutionFailed,
    #[error("outbound name resolution returned no addresses")]
    EmptyResolution,
    #[error("outbound name resolution contains a denied address")]
    AddressDenied,
    #[error("outbound request headers are invalid")]
    InvalidHeaders,
    #[error("outbound redirect is invalid")]
    InvalidRedirect,
    #[error("outbound redirect limit exceeded")]
    RedirectLimit,
    #[error("outbound HTTPS downgrade is denied")]
    HttpsDowngrade,
    #[error("outbound transport failed")]
    Transport,
}