export type GuideTopTab = 'guide' | 'explain'
export const GUIDE_LOCATION_PREVIEW_STORAGE_KEY = 'museum-guide:last-location-preview-url'

export const GUIDE_TOP_TABS: Array<{ id: GuideTopTab; label: string }> = [
  { id: 'guide', label: '馆内' },
  { id: 'explain', label: '讲解' }
]

export const isGuideTopTab = (value: unknown): value is GuideTopTab => {
  return value === 'guide' || value === 'explain'
}

export const guideTopTabUrl = (tab: GuideTopTab) => `/pages/index/index?tab=${tab}`

export const saveLastGuideLocationPreviewUrl = (url: string) => {
  if (typeof window === 'undefined' || !url) return

  window.sessionStorage.setItem(GUIDE_LOCATION_PREVIEW_STORAGE_KEY, url)
}

export const getLastGuideLocationPreviewUrl = () => {
  if (typeof window === 'undefined') return ''

  return window.sessionStorage.getItem(GUIDE_LOCATION_PREVIEW_STORAGE_KEY) || ''
}

export const navigateToGuideTopTab = (tab: GuideTopTab) => {
  if (tab === 'guide') {
    const lastLocationPreviewUrl = getLastGuideLocationPreviewUrl()
    if (lastLocationPreviewUrl) {
      uni.reLaunch({
        url: lastLocationPreviewUrl
      })
      return
    }
  }

  uni.reLaunch({
    url: guideTopTabUrl(tab)
  })
}