interface RecentSearch {
  id: string
  search_params: Record<string, any>
  route_summary: string
  search_mode: string
  created_at: string
}

export function useRecentSearches() {
  const supabase = useSupabaseClient()
  const user = useSupabaseUser()

  const searches = ref<RecentSearch[]>([])
  const loading = ref(false)

  async function fetchRecent(limit = 10) {
    if (!user.value) return
    loading.value = true
    const { data } = await supabase
      .from('recent_searches')
      .select('*')
      .order('created_at', { ascending: false })
      .limit(limit)
    searches.value = (data as RecentSearch[]) || []
    loading.value = false
  }

  async function saveSearch(params: Record<string, any>, routeSummary: string, mode: string) {
    if (!user.value) return
    await supabase.from('recent_searches').insert({
      user_id: user.value.id,
      search_params: params,
      route_summary: routeSummary,
      search_mode: mode
    })
  }

  watch(user, (u) => {
    if (u) fetchRecent()
    else searches.value = []
  }, { immediate: true })

  return { searches, loading, fetchRecent, saveSearch }
}