import { describe, it, expect, vi, beforeEach } from 'vitest'
import { useAlert } from '@/composables/useAlert'

describe('useAlert', () => {
  beforeEach(() => {
    vi.useFakeTimers()
  })

  it('shows and clears alerts', () => {
    const { current, show, clear } = useAlert()
    expect(current.value).toBeNull()
    show({ heading: 'Hello', message: 'World', type: 'info' })
    expect(current.value).toMatchObject({ heading: 'Hello', message: 'World', type: 'info' })
    clear()
    expect(current.value).toBeNull()
  })

  it('auto-dismisses after scheduleAutoDismiss', () => {
    const { current, show, scheduleAutoDismiss } = useAlert()
    show({ heading: 'Auto', message: 'Dismiss', type: 'success' })
    scheduleAutoDismiss(5000)
    expect(current.value).not.toBeNull()
    vi.advanceTimersByTime(5000)
    expect(current.value).toBeNull()
  })
})