use poem::Result;
use poem_openapi::{payload::Json, ApiResponse, Object, OpenApi};

use crate::settings::Settings;

use super::ApiCategory;

#[derive(Object, Debug, Clone, serde::Serialize, serde::Deserialize)]
struct Meta {
    version: String,
}

impl From<poem::web::Data<&Settings>> for Meta {
    fn from(value: poem::web::Data<&Settings>) -> Self {
        let version = value.application.version.clone();
        Self { version }
    }
}

#[derive(ApiResponse)]
enum VersionResponse {
    #[oai(status = 200)]
    Version(Json<Meta>),
}

pub struct VersionApi;

#[OpenApi(prefix_path = "/v1/api/version", tag = "ApiCategory::Version")]
impl VersionApi {
    #[oai(path = "/", method = "get")]
    async fn version(&self, settings: poem::web::Data<&Settings>) -> Result<VersionResponse> {
        tracing::event!(target: "gege-jdr-backend", tracing::Level::DEBUG, "Accessing version endpoint.");
        Ok(VersionResponse::Version(Json(settings.into())))
    }
}

#[tokio::test]
async fn version_works() {
    let app = crate::get_test_app(None).await;
    let cli = poem::test::TestClient::new(app);
    let resp = cli.get("/v1/api/version").send().await;
    resp.assert_status_is_ok();
    let json = resp.json().await;
    let json_value = json.value();
    json_value.object().get("version").assert_not_null();
}