use crate::api::helpers::with_db;
use rapiddb::traits::IAsyncDatabase;
use warp::Filter;

/// GET /api/v0/sensors/meta
pub fn get(
  db: std::sync::Arc<tokio::sync::RwLock<impl IAsyncDatabase + ?Sized>>,
) -> impl Filter<Extract = (impl warp::Reply,), Error = warp::Rejection> + Clone
{
  warp::path!("api" / "v0" / "sensors" / "meta")
    .and(warp::get())
    .and(with_db(db))
    .and_then(_get)
}

pub async fn _get(
  db: std::sync::Arc<tokio::sync::RwLock<impl IAsyncDatabase + ?Sized>>,
) -> Result<impl warp::Reply, std::convert::Infallible> {
  let mut lock = db.write().await;
  let data = lock.get_all_meta().await;

  if !data.is_empty() {
    let mut result: String = Default::default();
    result += "{";
    for (key, value) in data {
      result += &format!(
        "\"{key}\":{},",
        std::str::from_utf8(&value).unwrap_or_default()
      );
    }
    result.pop();
    result += "}";

    return Ok(
      warp::hyper::Response::builder()
        .status(warp::http::StatusCode::OK)
        .body(result),
    );
  }

  Ok(
    warp::hyper::Response::builder()
      .status(warp::http::StatusCode::NOT_FOUND)
      .body(String::new()),
  )
}

#[tokio::test]
async fn test_get() {
  let database_test_factory =
    rapiddb::db::DatabaseTestFactory::new(".temp/test/sensors_meta/test_get");

  for db in database_test_factory.get_instance().values() {
    let api = super::endpoints((*db).clone());

    let id = "test-0";
    let id0 = "test-1";

    let resp = warp::test::request()
      .method("GET")
      .path("/api/v0/sensors/meta")
      .reply(&api)
      .await;
    assert_eq!(resp.status(), 404);

    db.write()
      .await
      .post_meta(
        id,
        serde_json::json!({ "id": &id }).to_string().as_bytes().to_vec(),
      )
      .await;

    let resp = warp::test::request()
      .method("GET")
      .path("/api/v0/sensors/meta")
      .reply(&api)
      .await;
    assert_eq!(resp.status(), 200);
    assert_eq!(
      serde_json::from_slice::<serde_json::Value>(resp.body()).unwrap(),
      serde_json::json!({id: {"id": &id}})
    );

    db.write()
      .await
      .post_meta(
        id0,
        serde_json::json!({ "id0": &id0 }).to_string().as_bytes().to_vec(),
      )
      .await;

    let resp = warp::test::request()
      .method("GET")
      .path("/api/v0/sensors/meta")
      .reply(&api)
      .await;
    assert_eq!(resp.status(), 200);
    assert_eq!(
      serde_json::from_slice::<serde_json::Value>(resp.body())
        .unwrap()
        .as_object()
        .unwrap()
        .len(),
      2
    );
  }
}
