import { useMutation, useQueryClient } from '@tanstack/react-query'
import { toast } from 'sonner'

import { edgeFunctionsKeys } from './keys'
import { del, handleError } from '@/data/fetchers'
import type { ResponseError, UseCustomMutationOptions } from '@/types'

export type EdgeFunctionsDeleteVariables = {
  projectRef: string
  slug: string
}

export async function deleteEdgeFunction({ projectRef, slug }: EdgeFunctionsDeleteVariables) {
  if (!projectRef) throw new Error('projectRef is required')

  const { data, error } = await del(`/v1/projects/{ref}/functions/{function_slug}`, {
    params: {
      path: { ref: projectRef, function_slug: slug },
    },
  })

  if (error) handleError(error)
  return data
}

type EdgeFunctionsDeleteData = Awaited<ReturnType<typeof deleteEdgeFunction>>

export const useEdgeFunctionDeleteMutation = ({
  onSuccess,
  onError,
  ...options
}: Omit<
  UseCustomMutationOptions<EdgeFunctionsDeleteData, ResponseError, EdgeFunctionsDeleteVariables>,
  'mutationFn'
> = {}) => {
  const queryClient = useQueryClient()

  return useMutation<EdgeFunctionsDeleteData, ResponseError, EdgeFunctionsDeleteVariables>({
    mutationFn: (vars) => deleteEdgeFunction(vars),
    async onSuccess(data, variables, context) {
      const { projectRef } = variables
      await queryClient.invalidateQueries({
        queryKey: edgeFunctionsKeys.list(projectRef),
        refetchType: 'all',
      })
      await onSuccess?.(data, variables, context)
    },
    async onError(data, variables, context) {
      if (onError === undefined) {
        toast.error(`Failed to delete edge function: ${data.message}`)
      } else {
        onError(data, variables, context)
      }
    },
    ...options,
  })
}