use futures_util::FutureExt;
use integration_tests::pb::{test_client, test_server, Input, Output};
use std::time::Duration;
use tokio::sync::oneshot;
use tonic::{
    transport::{server::TcpConnectInfo, Endpoint, Server},
    Request, Response, Status,
};

#[tokio::test]
async fn getting_connect_info() {
    struct Svc;

    #[tonic::async_trait]
    impl test_server::Test for Svc {
        async fn unary_call(&self, req: Request<Input>) -> Result<Response<Output>, Status> {
            assert!(req.remote_addr().is_some());
            assert!(req.extensions().get::<TcpConnectInfo>().is_some());

            Ok(Response::new(Output {}))
        }
    }

    let svc = test_server::TestServer::new(Svc);

    let (tx, rx) = oneshot::channel::<()>();

    let jh = tokio::spawn(async move {
        Server::builder()
            .add_service(svc)
            .serve_with_shutdown("127.0.0.1:1400".parse().unwrap(), rx.map(drop))
            .await
            .unwrap();
    });

    tokio::time::sleep(Duration::from_millis(100)).await;

    let channel = Endpoint::from_static("http://127.0.0.1:1400")
        .connect()
        .await
        .unwrap();

    let mut client = test_client::TestClient::new(channel);

    client.unary_call(Input {}).await.unwrap();

    tx.send(()).unwrap();

    jh.await.unwrap();
}
