use axum::extract::State;
use axum_extra::extract::Query;
use futures::{future, stream::StreamExt as _};

use crate::{
    event::routes::get,
    test::fixtures::{self, future::Expect as _},
};

// There's no test for this in subscribe-then-setup order because creating an
// identity to subscribe with also completes initial setup, preventing the
// test from running. That is also a can't-happen scenario in reality.
#[tokio::test]
async fn previously_completed() {
    // Set up the environment

    let app = fixtures::scratch_app().await;
    let resume_point = fixtures::boot::resume_point(&app).await;

    // Complete initial setup

    let (name, password) = fixtures::user::propose();
    let (owner, _) = app
        .setup()
        .initial(&name, &password, &fixtures::now())
        .await
        .expect("initial setup in an empty app succeeds");

    // Subscribe to events

    let subscriber = fixtures::identity::create(&app, &fixtures::now()).await;
    let get::Response(events) = get::handler(
        State(app.clone()),
        subscriber,
        None,
        Query(get::QueryParams { resume_point }),
    )
    .await
    .expect("subscribe never fails");

    // Expect a login created event

    let _ = events
        .filter_map(fixtures::event::user)
        .filter_map(fixtures::event::user::created)
        .filter(|event| future::ready(event.user == owner))
        .next()
        .expect_some("a login created event is sent")
        .await;
}