import { describe, expect, it } from "vitest";

import {
  clampToolcraftTimelineDurationSeconds,
  clampToolcraftTimelineTime,
  getToolcraftTimelineKeyframeId,
  roundToolcraftTimelineKeyframeTime,
  toolcraftTimelineDefaultDurationSeconds,
  toolcraftTimelineMaxDurationSeconds,
  toolcraftTimelineMinDurationSeconds,
} from "./timeline-values";

describe("timeline values", () => {
  it("clamps duration with explicit fallback semantics", () => {
    expect(clampToolcraftTimelineDurationSeconds(Number.NaN)).toBe(
      toolcraftTimelineDefaultDurationSeconds,
    );
    expect(
      clampToolcraftTimelineDurationSeconds(
        Number.NaN,
        toolcraftTimelineMinDurationSeconds,
      ),
    ).toBe(toolcraftTimelineMinDurationSeconds);
    expect(clampToolcraftTimelineDurationSeconds(0)).toBe(
      toolcraftTimelineMinDurationSeconds,
    );
    expect(clampToolcraftTimelineDurationSeconds(90)).toBe(
      toolcraftTimelineMaxDurationSeconds,
    );
  });

  it("clamps playhead time to the active duration", () => {
    expect(clampToolcraftTimelineTime(Number.NaN, 8)).toBe(0);
    expect(clampToolcraftTimelineTime(-1, 8)).toBe(0);
    expect(clampToolcraftTimelineTime(12, 8)).toBe(8);
    expect(clampToolcraftTimelineTime(4.25, 8)).toBe(4.25);
  });

  it("rounds and formats keyframe ids consistently", () => {
    expect(roundToolcraftTimelineKeyframeTime(1.236)).toBe(1.24);
    expect(getToolcraftTimelineKeyframeId("opacity", 2)).toBe("opacity::2");
    expect(getToolcraftTimelineKeyframeId("opacity", 2.5)).toBe("opacity::2.5");
    expect(getToolcraftTimelineKeyframeId("opacity", 2.05)).toBe("opacity::2.05");
  });
});