import { describe, expect, it } from "vitest";
import {
  checkCountdown,
  daysUntilNextFriday,
} from "../src/game/world/day-timers";

describe("RTC day countdowns", () => {
  it("expires at the deadline, including across the 140-day wrap", () => {
    const start = { remaining: 3, day: 139 };
    const next = checkCountdown(start, 140);
    expect(next).toEqual({ done: false, timer: { remaining: 2, day: 0 } });
    expect(checkCountdown(next.timer, 140)).toEqual(next);
    expect(checkCountdown(next.timer, 142)).toEqual({
      done: true,
      timer: { remaining: 0, day: 2 },
    });
    expect(checkCountdown(start, 150).done).toBe(true);
    expect(checkCountdown(undefined, 140).done).toBe(true);
    expect(start).toEqual({ remaining: 3, day: 139 });
  });

  it("keeps a Friday prize closed until the following Friday", () => {
    expect(
      Array.from({ length: 7 }, (_, day) => daysUntilNextFriday(day)),
    ).toEqual([5, 4, 3, 2, 1, 7, 6]);
  });
});