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

const stateByKey: Record<string, ReturnType<typeof ref>> = {}
const useStateMock = vi.fn((key: string, init: () => unknown) => {
  if (!stateByKey[key]) {
    stateByKey[key] = ref(init())
  }
  return stateByKey[key]
})
vi.stubGlobal('useState', useStateMock)

import { useToast } from '../useToast'

describe('useToast', () => {
  beforeEach(() => {
    stateByKey['hnh-map-toasts'] = ref([])
  })

  it('exposes toasts and show/dismiss', () => {
    const { toasts, success, dismiss } = useToast()
    expect(toasts.value).toEqual([])

    success('Done!')
    expect(toasts.value).toHaveLength(1)
    expect(toasts.value[0].type).toBe('success')
    expect(toasts.value[0].text).toBe('Done!')

    const id = toasts.value[0].id
    dismiss(id)
    expect(toasts.value).toHaveLength(0)
  })

  it('error and info set type', () => {
    const { toasts, error, info } = useToast()
    error('Failed')
    expect(toasts.value[0].type).toBe('error')
    info('Note')
    expect(toasts.value[1].type).toBe('info')
  })

  it('each toast has unique id', () => {
    const { toasts, success } = useToast()
    success('A')
    success('B')
    const ids = toasts.value.map((t) => t.id)
    expect(new Set(ids).size).toBe(2)
  })
})