"use client"

import { useMutation, useQueryClient } from "@tanstack/react-query"
import { createSupabaseBrowserClient } from "@/lib/supabase/client"
import { queryKeys } from "./query-keys"
import { notify } from "@/lib/notify"

export function useCreateCustomFeed() {
  const supabaseClient = createSupabaseBrowserClient()
  const queryClient = useQueryClient()

  return useMutation({
    mutationFn: async ({
      name,
      query,
      matchMode,
      sourceFolderIdentifier,
    }: {
      name: string
      query: string
      matchMode: "and" | "or"
      sourceFolderIdentifier: string | null
    }) => {
      const {
        data: { user },
      } = await supabaseClient.auth.getUser()

      if (!user) throw new Error("not authenticated")

      const { error } = await supabaseClient.from("custom_feeds").insert({
        user_id: user.id,
        name,
        query,
        match_mode: matchMode,
        source_folder_id: sourceFolderIdentifier,
        position: 0,
      })

      if (error) throw error
    },
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: queryKeys.customFeeds.all })
      queryClient.invalidateQueries({ queryKey: queryKeys.userProfile.all })
      notify("custom feed created")
    },
    onError: (error: Error) => {
      notify(
        error.message.includes("limit")
          ? "custom feed limit reached for your plan"
          : "failed to create custom feed: " + error.message
      )
    },
  })
}

export function useUpdateCustomFeed() {
  const supabaseClient = createSupabaseBrowserClient()
  const queryClient = useQueryClient()

  return useMutation({
    mutationFn: async ({
      customFeedIdentifier,
      name,
      query,
      matchMode,
      sourceFolderIdentifier,
      iconUrl,
    }: {
      customFeedIdentifier: string
      name: string
      query: string
      matchMode: "and" | "or"
      sourceFolderIdentifier: string | null
      iconUrl?: string | null
    }) => {
      const updatePayload: Record<string, unknown> = {
        name,
        query,
        match_mode: matchMode,
        source_folder_id: sourceFolderIdentifier,
      }
      if (iconUrl !== undefined) updatePayload.icon_url = iconUrl

      const { error } = await supabaseClient
        .from("custom_feeds")
        .update(updatePayload)
        .eq("id", customFeedIdentifier)

      if (error) throw error
    },
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: queryKeys.customFeeds.all })
      notify("custom feed updated")
    },
    onError: (error: Error) => {
      notify("failed to update custom feed: " + error.message)
    },
  })
}

export function useDeleteCustomFeed() {
  const supabaseClient = createSupabaseBrowserClient()
  const queryClient = useQueryClient()

  return useMutation({
    mutationFn: async ({
      customFeedIdentifier,
    }: {
      customFeedIdentifier: string
    }) => {
      const { error } = await supabaseClient
        .from("custom_feeds")
        .delete()
        .eq("id", customFeedIdentifier)

      if (error) throw error
    },
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: queryKeys.customFeeds.all })
      queryClient.invalidateQueries({ queryKey: queryKeys.userProfile.all })
      notify("custom feed deleted")
    },
    onError: (error: Error) => {
      notify("failed to delete custom feed: " + error.message)
    },
  })
}