import { useGLTF } from "@react-three/drei";
import { afterEach, describe, expect, it, vi } from "vitest";
import { dungeonGltfUrls } from "./dungeonAssets";
import { dungeonDefinitionById } from "./dungeonRegistry";
import { activateDungeonSession } from "./dungeonSession";
import { useGameStore } from "./store";

describe("dungeon session asset eviction", () => {
  afterEach(() => {
    vi.restoreAllMocks();
    useGameStore.getState().activateDungeon("wailing-caverns");
  });

  it("evicts the previous dungeon before publishing the next session", () => {
    const previous = dungeonDefinitionById("auchenai-crypts")!;
    useGameStore.getState().activateDungeon(previous.id);
    const clear = vi.spyOn(useGLTF, "clear").mockImplementation(() => undefined);

    expect(activateDungeonSession("wailing-caverns")).toBe(true);

    expect(clear.mock.calls.map(([url]) => url)).toEqual(dungeonGltfUrls(previous));
    expect(useGameStore.getState().activeDungeonId).toBe("wailing-caverns");
  });

  it("does not evict the active dungeon when the destination is invalid", () => {
    const clear = vi.spyOn(useGLTF, "clear").mockImplementation(() => undefined);

    expect(activateDungeonSession("not-a-dungeon")).toBe(false);
    expect(clear).not.toHaveBeenCalled();
  });
});