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

const media = vi.hoisted(() => ({ ready: false, fetch: vi.fn() }));
vi.mock("./combatMediaPack", () => ({
  COMBAT_MEDIA_MANIFEST_URL: "/assets/game/combat-effects/manifest.json",
  combatMediaPackReady: () => media.ready,
  fetchCombatMediaAsset: media.fetch,
}));

beforeEach(() => {
  vi.resetModules();
  media.ready = false;
  media.fetch.mockReset();
});

describe("original media loading", () => {
  it("uses the original default once the pack is ready without changing the saved preference", async () => {
    const { DEFAULT_COMBAT_PRESENTATION_SETTINGS: settings, effectiveCombatVfxMode } = await import("./combatPresentation");
    expect(effectiveCombatVfxMode(settings)).toBe("generated");
    media.ready = true;
    expect(effectiveCombatVfxMode(settings)).toBe("original");
    expect(effectiveCombatVfxMode({ ...settings, originalMediaEnabled: false })).toBe("generated");
    expect(settings.vfxMode).toBe("original");
  });

  it("does not poison manifest loading before installation or after a failed fetch", async () => {
    const { preloadCombatEffectManifest, combatEffectManifestEntry } = await import("./combatPresentation");
    await preloadCombatEffectManifest();
    expect(media.fetch).not.toHaveBeenCalled();

    media.ready = true;
    media.fetch.mockRejectedValueOnce(new Error("Offline"));
    await preloadCombatEffectManifest();
    expect(combatEffectManifestEntry(2061, "wow335")).toBeNull();

    const entry = { key: "wow335:2061", source: "wow335", spellId: 2061 };
    media.fetch.mockResolvedValueOnce(new Response(JSON.stringify({ schemaVersion: 1, entries: [entry] })));
    await preloadCombatEffectManifest();
    expect(combatEffectManifestEntry(2061, "wow335")).toEqual(entry);
    expect(media.fetch).toHaveBeenCalledTimes(2);
  });
});