use std::net::{SocketAddr, TcpListener};

struct TestApp {
    addr: SocketAddr,
}

#[tokio::test]
async fn health_check_works() {
    let TestApp { addr, .. } = spawn_app().await;

    let client = reqwest::Client::new();
    let response = client
        .get(format!("http://{addr}/health_check"))
        .send()
        .await
        .expect("Failed to execute request.");
    assert!(response.status().is_success());
    assert_eq!(Some(0), response.content_length());
}

// fn spawn_app() {
//     let server = learn_axum::run().expect("Failed to bind address.");
//     tokio::spawn(server);
// }
async fn spawn_app() -> TestApp {
    let listener = TcpListener::bind("127.0.0.1:0").expect("Failed to bind to random port");
    let addr = listener.local_addr().unwrap();

    let server = learn_axum::run(listener).expect("Failed to bind to address");

    tokio::spawn(server);

    TestApp { addr }
}