import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
import { clearToasts, dismissToast, showToast, TOAST_TIMEOUT, toasts, useToasts } from '../../src/state/useToasts'

beforeEach(() => {
  vi.useFakeTimers()
  clearToasts()
})

afterEach(() => {
  clearToasts()
  vi.useRealTimers()
})

describe('toast queue', () => {
  it('queues newest first with success as the default tone', () => {
    const first = showToast('Saved')
    const second = showToast('Failed', 'danger')
    expect(second).toBeGreaterThan(first)
    expect(toasts.value.map((item) => [item.text, item.tone])).toEqual([
      ['Failed', 'danger'],
      ['Saved', 'success'],
    ])
  })

  it('dismisses each toast after about 4 seconds', () => {
    expect(TOAST_TIMEOUT).toBe(4000)
    showToast('one')
    vi.advanceTimersByTime(1000)
    showToast('two')
    vi.advanceTimersByTime(TOAST_TIMEOUT - 1000)
    expect(toasts.value.map((item) => item.text)).toEqual(['two'])
    vi.advanceTimersByTime(1000)
    expect(toasts.value).toEqual([])
  })

  it('dismisses on request and cancels that toast timer', () => {
    const id = showToast('bye')
    const other = showToast('stay')
    dismissToast(id)
    expect(toasts.value.map((item) => item.id)).toEqual([other])
    dismissToast(id)
    dismissToast(999_999)
    expect(vi.getTimerCount()).toBe(1)
  })

  it('clears every toast and timer', () => {
    showToast('a')
    showToast('b')
    clearToasts()
    expect(toasts.value).toEqual([])
    expect(vi.getTimerCount()).toBe(0)
    expect(useToasts().showToast).toBe(showToast)
  })
})