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cfg_if! {
    if #[cfg(feature = "transport_webrtc")] {
        pub mod webrtc;
    } else {}
}
cfg_if! {
    if #[cfg(feature = "transport_udp")] {
        pub mod udp;
        mod conditioner;
    } else {}
}

mod server_addr;
pub use server_addr::ServerAddr;

pub use inner::{PacketReceiver, PacketSender, RecvError, SendError, Socket};

mod inner {

    use super::ServerAddr;

    pub struct SendError;

    pub struct RecvError;

    pub trait Socket {
        fn connect(self: Box<Self>) -> (Box<dyn PacketSender>, Box<dyn PacketReceiver>);
    }

    pub trait PacketSender: Send + Sync {
        /// Sends a packet from the Client Socket
        fn send(&self, payload: &[u8]) -> Result<(), SendError>;
        /// Get the Server's Socket address
        fn server_addr(&self) -> ServerAddr;
    }

    pub trait PacketReceiver: PacketReceiverClone + Send + Sync {
        /// Receives a packet from the Client Socket
        fn receive(&mut self) -> Result<Option<&[u8]>, RecvError>;
        /// Get the Server's Socket address
        fn server_addr(&self) -> ServerAddr;
    }

    /// Used to clone Box<dyn PacketReceiver>
    pub trait PacketReceiverClone {
        /// Clone the boxed PacketReceiver
        fn clone_box(&self) -> Box<dyn PacketReceiver>;
    }

    impl<T: 'static + PacketReceiver + Clone> PacketReceiverClone for T {
        fn clone_box(&self) -> Box<dyn PacketReceiver> {
            Box::new(self.clone())
        }
    }

    impl Clone for Box<dyn PacketReceiver> {
        fn clone(&self) -> Box<dyn PacketReceiver> {
            PacketReceiverClone::clone_box(self.as_ref())
        }
    }
}