import { likeAPlaylist } from '@/web/api/playlist'
import { useMutation, useQuery, useQueryClient } from 'react-query'
import useUser from './useUser'
import { IpcChannels } from '@/shared/IpcChannels'
import { APIs } from '@/shared/CacheAPIs'
import { fetchUserPlaylists } from '@/web/api/user'
import { FetchUserPlaylistsResponse, UserApiNames } from '@/shared/api/User'
import toast from 'react-hot-toast'

export default function useUserPlaylists() {
  const { data: user } = useUser()
  const uid = user?.profile?.userId ?? 0

  const params = {
    uid: uid,
    offset: 0,
    limit: 2000,
  }

  return useQuery(
    [UserApiNames.FetchUserPlaylists, uid],
    async () => {
      if (!params.uid) {
        throw new Error('请登录后再请求用户收藏的歌单')
      }
      const data = await fetchUserPlaylists(params)
      return data
    },
    {
      enabled: !!(
        !!params.uid &&
        params.uid !== 0 &&
        params.offset !== undefined
      ),
      refetchOnWindowFocus: true,
      placeholderData: (): FetchUserPlaylistsResponse =>
        window.ipcRenderer?.sendSync(IpcChannels.GetApiCacheSync, {
          api: APIs.UserPlaylist,
          query: {
            uid: params.uid,
          },
        }),
    }
  )
}

export const useMutationLikeAPlaylist = () => {
  const queryClient = useQueryClient()
  const { data: user } = useUser()
  const { data: userPlaylists } = useUserPlaylists()
  const uid = user?.account?.id ?? 0
  const key = [UserApiNames.FetchUserPlaylists, uid]

  return useMutation(
    async (playlist: Playlist) => {
      if (!playlist.id || userPlaylists?.playlist === undefined) {
        throw new Error('playlist id is required or userPlaylists is undefined')
      }
      const response = await likeAPlaylist({
        id: playlist.id,
        t:
          userPlaylists.playlist.findIndex(p => p.id === playlist.id) > -1
            ? 2
            : 1,
      })
      if (response.code !== 200) throw new Error((response as any).msg)
      return response
    },
    {
      onMutate: async playlist => {
        // Cancel any outgoing refetches (so they don't overwrite our optimistic update)
        await queryClient.cancelQueries(key)

        // Snapshot the previous value
        const previousData = queryClient.getQueryData(key)

        // Optimistically update to the new value
        queryClient.setQueryData(key, old => {
          const userPlaylists = old as FetchUserPlaylistsResponse
          const playlists = userPlaylists.playlist
          const newPlaylists =
            playlists.findIndex(p => p.id === playlist.id) > -1
              ? playlists.filter(p => p.id !== playlist.id)
              : [...playlists, playlist]
          return {
            ...userPlaylists,
            playlist: newPlaylists,
          }
        })

        // Return a context object with the snapshotted value
        return { previousData }
      },
      // If the mutation fails, use the context returned from onMutate to roll back
      onError: (err, trackID, context) => {
        queryClient.setQueryData(key, (context as any).previousData)
        toast((err as any).toString())
      },
    }
  )
}