import type { AutopilotRecent } from "@rakazo/contracts";
import { t } from "./i18n";

/** "HH:MM" for autopilotUntil's time choice. */
export function autopilotTimeOfDay(date: Date): string {
  const pad = (value: number) => String(value).padStart(2, "0");
  return `${pad(date.getHours())}:${pad(date.getMinutes())}`;
}

/**
 * One autopilot in the home list, like Today on web: how it ended or where it stands, and its step
 * count, or Paused when it waits on the user.
 */
export function autopilotSummary(autopilot: AutopilotRecent): { detail: string; trail: string } {
  const detail =
    autopilot.status === "finished"
      ? autopilot.result
      : autopilot.status === "paused"
        ? autopilot.pauseReason
        : autopilot.lastCheckpoint
          ? t("last: {latest}", { latest: autopilot.lastCheckpoint })
          : null;
  const trail =
    autopilot.status === "paused"
      ? t("Paused")
      : autopilot.stepCount === 1
        ? t("1 step")
        : t("{count} steps", { count: autopilot.stepCount });
  return { detail: detail ?? "", trail };
}