import { afterEach, describe, expect, it, vi } from "vitest";
import { createDefaultAppearance } from "../app/characterCatalog";
import { createCharacter, loadUiPreferences, saveUiPreferences } from "../app/accountRepository";
import { useShellStore } from "../app/shellStore";
import { defaultActionBarForCharacter } from "./abilityCatalog";
import { assignDesktopAbility, normalizeUiPreferences } from "./uiLayout";
import { activateCharacterUi, useUiLayoutStore } from "./uiLayoutStore";

afterEach(() => { vi.unstubAllGlobals(); useShellStore.setState({ session: null }); });

describe("character PC action bars", () => {
  it("persists custom assignments and empty slots across character switches and sign-in", () => {
    const values = new Map<string, string>();
    const storage = { getItem: (key: string) => values.get(key) ?? null,
      setItem: (key: string, value: string) => { values.set(key, value); },
      removeItem: (key: string) => { values.delete(key); } };
    vi.stubGlobal("window", { localStorage: storage });
    const create = (name: string) => createCharacter({ ownerId: "offline-bars", name,
      classId: "priest", raceId: "human", gender: "female", appearance: createDefaultAppearance(),
    }, storage).character!;
    const first = create("Firstbars");
    const second = create("Secondbars");
    const ui = normalizeUiPreferences(null);
    ui.current.pc.wowBars = true;
    saveUiPreferences(first.ownerId, ui, storage);
    const session = { kind: "offline" as const, ownerId: first.ownerId, displayName: "Offline" };
    useShellStore.setState({ session });
    activateCharacterUi(first);
    expect(useUiLayoutStore.getState().preferences.current.pc.bars[0].slots[0].abilityId)
      .toBe(defaultActionBarForCharacter("priest", null, 1)[0]);
    const state = useUiLayoutStore.getState();
    const pc = assignDesktopAbility(assignDesktopAbility(state.preferences.current.pc, 0, 0, null), 0, 2, "priest-flash-heal");
    state.persist({ ...state.preferences, current: { ...state.preferences.current, pc } });
    activateCharacterUi(second);
    expect(useUiLayoutStore.getState().preferences.current.pc.bars[0].slots[0].abilityId).not.toBeNull();
    activateCharacterUi(first);
    expect(useUiLayoutStore.getState().preferences.current.pc.bars[0].slots[0].abilityId).toBeNull();
    expect(useUiLayoutStore.getState().preferences.current.pc.bars[0].slots[2].abilityId).toBe("priest-flash-heal");
    useShellStore.setState({ session: null });
    useShellStore.setState({ session: { ...session } });
    activateCharacterUi(first);
    expect(useUiLayoutStore.getState().preferences.current.pc.bars[0].slots[0].abilityId).toBeNull();
    expect(useUiLayoutStore.getState().preferences.current.pc.bars[0].slots[2].abilityId).toBe("priest-flash-heal");
    expect(loadUiPreferences("another-owner", storage).desktopAbilityLoadouts).toEqual({});
    activateCharacterUi({ ...second, ownerId: "another-owner" });
    expect(useUiLayoutStore.getState().desktopLoadoutKey).toContain(first.id);
  });
});