import { readFileSync } from "node:fs";
import { describe, expect, it } from "vitest";

const characterModelSource = readFileSync(
  new URL("./CharacterModel.tsx", import.meta.url),
  "utf8",
);
const equipmentAttachmentSource = readFileSync(
  new URL("./equipmentAttachments.tsx", import.meta.url),
  "utf8",
);
const gameSceneSource = readFileSync(
  new URL("../scene/GameScene.tsx", import.meta.url),
  "utf8",
);

describe("avatar rendering integration invariants", () => {
  it("keeps starter weapons connected to loaded and fallback characters", () => {
    expect(characterModelSource).toContain("<StarterWeaponAttachments");
    expect(characterModelSource).toContain("<ApproximateStarterEquipment");
    expect(characterModelSource).toContain("<EquipmentAttachments");
  });

  it("uses manifest sockets while the loaded skeleton owns weapon motion", () => {
    const loadedStarterAttachment = characterModelSource.match(
      /<StarterWeaponAttachments[\s\S]*?\/>/,
    )?.[0] ?? "";
    expect(loadedStarterAttachment).toContain("entry={entry}");
    expect(loadedStarterAttachment).not.toContain("attackPulseRef=");
    expect(characterModelSource).not.toContain("equipmentAttackPulseRef");
  });

  it("isolates each optional gear model behind its own loading and error boundary", () => {
    expect(equipmentAttachmentSource).toContain("<AvatarErrorBoundary");
    expect(equipmentAttachmentSource).toContain("<Suspense fallback={fallback}>");
    expect(equipmentAttachmentSource).toContain("<AttachedEquipmentModel");
  });

  it("uses popup-free right-mouse drag instead of requesting Pointer Lock", () => {
    expect(gameSceneSource).toContain("beginMouseLookDrag(");
    expect(gameSceneSource).not.toContain("requestPointerLock(");
  });
});