/*
Timeline background service: listens for rollup completion and refreshes
the visible view in place. Emit signatures verified against:
  - cortex finish:      solstone/think/cortex.py:436-458
  - supervisor stopped: solstone/think/supervisor.py:496-504
  - scheduler ref:      solstone/think/scheduler.py:465-475
*/
AppServices.register("timeline", {
  _initialized: false,

  initialize() {
    if (this._initialized) return;
    if (!window.appEvents || !window.AppServices?.badges?.app) return;
    this._initialized = true;

    window.appEvents.listen("cortex", (msg) => {
      if (!msg || msg.event !== "finish") return;
      if (msg.name !== "timeline:segment_summary") return;
      const visibleDay = window.timelineRefresh?.getCurrentDay?.();
      if (!visibleDay || msg.day !== visibleDay) return;
      window.timelineRefresh?.day?.(msg.day);
    });

    window.appEvents.listen("supervisor", (msg) => {
      if (!msg || msg.event !== "stopped" || msg.exit_code !== 0) return;
      const ref = msg.ref || "";
      if (/^sched:timeline-rollup-day:/.test(ref)) {
        fetch("/app/timeline/api/index", { cache: "no-store" })
          .then((r) => (r.ok ? r.json() : null))
          .then((idx) => {
            if (!idx) return;
            const today = todayYYYYMMDD();
            if (idx.data_through === today) {
              window.AppServices.badges.app.set("timeline", 1);
            }
            const view = window.timelineRefresh?.getCurrentView?.();
            const day = window.timelineRefresh?.getCurrentDay?.();
            if (
              day &&
              (view === "day" || view === "hour" || view === "five-minute")
            ) {
              window.timelineRefresh?.day?.(day);
            }
          })
          .catch(() => {});
        return;
      }
      if (/^sched:timeline-rollup-master:/.test(ref)) {
        window.timelineRefresh?.index?.();
      }
    });
  },
});

function todayYYYYMMDD() {
  const d = new Date();
  const y = d.getFullYear();
  const m = String(d.getMonth() + 1).padStart(2, "0");
  const da = String(d.getDate()).padStart(2, "0");
  return `${y}${m}${da}`;
}