import { useGLTF } from "@react-three/drei";
import { afterEach, describe, expect, it, vi } from "vitest";
import { dungeonGltfUrls } from "./dungeonAssets";
import { dungeonDefinitionById } from "./dungeonRegistry";
import { activateDungeonSession, restartActiveDungeonSession } from "./dungeonSession";
import { usePartyStore } from "./partyStore";
import { useGameStore } from "./store";
import { DEFAULT_MANASTORM_ADMIN_CONFIG } from "./manastormAdminConfig";
import { useManastormAdminStore } from "./manastormAdminStore";
import { SHELVED_MODES_ENABLED } from "../app/releaseFeatures";
import {
  dungeonEncounterSnapshot,
  importDungeonEncounterSnapshots,
} from "./dungeonEncounterRuntime";
import { WAILING_NARALEX_ENCOUNTER, useWailingEncounterStore } from "./wailingCavernsEncounter";

describe("dungeon session asset eviction", () => {
  afterEach(() => {
    vi.restoreAllMocks();
    vi.unstubAllEnvs();
    useManastormAdminStore.setState({ config: DEFAULT_MANASTORM_ADMIN_CONFIG, draft: DEFAULT_MANASTORM_ADMIN_CONFIG, dirty: false });
    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();
  });

  it("does not activate a direct production session before its dungeon pack is usable", () => {
    vi.stubEnv("DEV", false);
    useGameStore.getState().activateDungeon("wailing-caverns");
    const clear = vi.spyOn(useGLTF, "clear").mockImplementation(() => undefined);

    expect(activateDungeonSession("deadmines")).toBe(false);
    expect(useGameStore.getState().activeDungeonId).toBe("wailing-caverns");
    expect(clear).not.toHaveBeenCalled();
  });

  it("restarts the active dungeon in place while preserving its party and encounter state", () => {
    const active = dungeonDefinitionById("wailing-caverns")!;
    expect(activateDungeonSession(active.id)).toBe(true);
    usePartyStore.getState().initializeParty("retry-party", 20, 600, "healer");
    const members = usePartyStore.getState().members.map((member) => member.id);
    const current = dungeonEncounterSnapshot(WAILING_NARALEX_ENCOUNTER.id)!;
    const progressed = { ...current, phase: "ready", revision: current.revision + 1 } as const;
    expect(importDungeonEncounterSnapshots(active.id, [progressed])).toEqual([
      WAILING_NARALEX_ENCOUNTER.id,
    ]);
    const revision = useGameStore.getState().sessionRevision;
    const clear = vi.spyOn(useGLTF, "clear").mockImplementation(() => undefined);

    expect(restartActiveDungeonSession()).toBe(true);

    expect(clear.mock.calls.map(([url]) => url)).toEqual(dungeonGltfUrls(active));
    expect(useGameStore.getState().sessionRevision).toBe(revision + 1);
    expect(usePartyStore.getState().members.map((member) => member.id)).toEqual(members);
    expect(dungeonEncounterSnapshot(WAILING_NARALEX_ENCOUNTER.id)).toMatchObject({
      phase: "ready",
      revision: progressed.revision,
    });
  });

  it("applies the published dungeon group anchor at the session boundary", () => {
    const spawn = { footPosition: [12, 3, -8] as const, yaw: 1.25 };
    useManastormAdminStore.setState({
      config: { ...DEFAULT_MANASTORM_ADMIN_CONFIG, dungeonSpawns: { "wailing-caverns": spawn } },
    });
    expect(activateDungeonSession("wailing-caverns")).toBe(true);
    const definition = dungeonDefinitionById("wailing-caverns")!;
    expect(useGameStore.getState().activeSpawn).toEqual(SHELVED_MODES_ENABLED ? spawn : {
      footPosition: definition.entrance.footPosition,
      yaw: definition.entrance.yaw,
    });
  });

  it("hydrates a same-process checkpoint even when the reset revision is newer", () => {
    const current = dungeonEncounterSnapshot(WAILING_NARALEX_ENCOUNTER.id)!;
    const saved = { ...current, phase: "ready" } as const;
    expect(activateDungeonSession("wailing-caverns", "normal", {
      encounterSnapshots: [saved],
    })).toBe(true);
    expect(useWailingEncounterStore.getState().phase).toBe("ready");
  });
});