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

describe('toast store', () => {
  beforeEach(async () => {
    vi.useFakeTimers();
    const mod = await import('../../src/lib/client/toast.svelte');
    mod.toastStore.toasts = [];
  });

  it('queues toasts with auto-dismiss', async () => {
    const { toastStore } = await import('../../src/lib/client/toast.svelte');
    toastStore.info('Hello');
    expect(toastStore.toasts.length).toBe(1);
    expect(toastStore.toasts[0].message).toBe('Hello');
    expect(toastStore.toasts[0].kind).toBe('info');

    vi.advanceTimersByTime(3000);
    expect(toastStore.toasts.length).toBe(0);
  });

  it('supports error kind and manual dismiss', async () => {
    const { toastStore } = await import('../../src/lib/client/toast.svelte');
    const id = toastStore.error('Boom');
    expect(toastStore.toasts[0].kind).toBe('error');
    toastStore.dismiss(id);
    expect(toastStore.toasts.length).toBe(0);
  });

  it('allows multiple concurrent toasts', async () => {
    const { toastStore } = await import('../../src/lib/client/toast.svelte');
    toastStore.info('A');
    toastStore.info('B');
    expect(toastStore.toasts.length).toBe(2);
  });
});