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

import {
  compareLunarisVersions,
  parseLunarisVersionChange,
} from "./version";

describe("Lunaris version announcements", () => {
  it("extracts a version change from a full announcement", () => {
    expect(
      parseLunarisVersionChange(`Lunaris has been updated!
Version Change: 7.0.53.2 → 7.0.54
Characters
Odette`),
    ).toEqual({
      previousVersion: "7.0.53.2",
      targetVersion: "7.0.54",
    });
  });

  it("ignores ordinary and malformed messages", () => {
    expect(parseLunarisVersionChange("hello")).toBeNull();
    expect(parseLunarisVersionChange("Version Change: latest → 7.0.54")).toBeNull();
    expect(parseLunarisVersionChange("Version Change: 7.0.53 -> 7.0.54")).toBeNull();
  });

  it("orders numeric dotted versions with different segment counts", () => {
    expect(compareLunarisVersions("7.0.54", "7.0.53.2")).toBe(1);
    expect(compareLunarisVersions("7.0.54", "7.0.54.0")).toBe(0);
    expect(compareLunarisVersions("7.0.53.2", "7.0.54")).toBe(-1);
  });
});