import { renderHook, act } from '@testing-library/react'
import { useToast } from "@core/hooks/useToast.ts"
import { Button } from '@components/UI/Button.tsx'
import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";

describe('useToast', () => {
  beforeEach(() => {
    // Reset toast memory state before each test
    // our hook uses global memory to store toasts
    // @ts-expect-error - internal test reset
    globalThis.memoryState = { toasts: [] }
    vi.useFakeTimers()
  })

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

  it('should create a toast with title, description, and action', () => {
    const { result } = renderHook(() => useToast())

    act(() => {
      result.current.toast({
        title: 'Backup Reminder',
        description: 'Don\'t forget to backup!',
        action: <Button>Backup Now</Button>
      })
      vi.runAllTimers()
    })

    const toast = result.current.toasts[0]
    expect(result.current.toasts.length).toBe(1)
    expect(toast.title).toBe('Backup Reminder')
    expect(toast.description).toBe('Don\'t forget to backup!')
    expect(toast.action).toBeTruthy()
    expect(toast.open).toBe(true)
  })
  it('should dismiss a toast using returned dismiss function', () => {
    const { result } = renderHook(() => useToast())
    vi.useFakeTimers()

    let toastRef: { id: string, dismiss: () => void }

    act(() => {
      toastRef = result.current.toast({ title: 'Dismiss Me' })
      vi.runAllTimers() // Flush ADD_TOAST
    })

    act(() => {
      toastRef.dismiss()
    })

    const toast = result.current.toasts.find(t => t.id === toastRef.id)
    expect(toast?.open).toBe(false)

    vi.useRealTimers()
  })


  it('should allow dismiss via hook dismiss function', () => {
    const { result } = renderHook(() => useToast())
    vi.useFakeTimers()

    let toastRef: { id: string }

    act(() => {
      toastRef = result.current.toast({ title: 'Manual Dismiss' })
      vi.runAllTimers()
    })

    act(() => {
      result.current.dismiss(toastRef.id)
    })

    const toast = result.current.toasts.find(t => t.id === toastRef.id)
    expect(toast?.open).toBe(false)

    vi.useRealTimers()
  })

})