use std::sync::LazyLock;

use tokio::time::Instant;

static UPTIME: LazyLock<Instant> = LazyLock::new(Instant::now);

pub fn module(router: &mut windmark::router::Router) {
  UPTIME.elapsed();

  crate::route::track_mount(
    router,
    "/uptime",
    "The uptime of Locus (A.K.A., The Locus Epoch). (\\?[s|ms|mu|ns]?)?",
    move |context| {
      let response = windmark::utilities::queries_from_url(&context.url)
        .get("unit")
        .map_or_else(
          || UPTIME.elapsed().as_nanos().to_string(),
          |query| {
            match query.as_str() {
              "secs" | "seconds" | "s" =>
                UPTIME.elapsed().as_secs().to_string(),
              "milli" | "milliseconds" | "ms" =>
                UPTIME.elapsed().as_millis().to_string(),
              "micro" | "microseconds" | "mu" =>
                UPTIME.elapsed().as_micros().to_string(),
              _ => UPTIME.elapsed().as_nanos().to_string(),
            }
          },
        );

      windmark::response::Response::success(response)
    },
  );
}