import { DEFAULT_PLATFORM_APPLICATION_NAME } from '@supabase/pg-meta/src/constants'
import { useQuery } from '@tanstack/react-query'

import { databasePublicationsKeys } from './keys'
import { get, handleError } from '@/data/fetchers'
import { useSelectedProjectQuery } from '@/hooks/misc/useSelectedProject'
import type { ResponseError, UseCustomQueryOptions } from '@/types'

export type DatabasePublicationsVariables = {
  projectRef?: string
  connectionString?: string | null
}

export async function getDatabasePublications(
  { projectRef, connectionString }: DatabasePublicationsVariables,
  signal?: AbortSignal
) {
  if (!projectRef) throw new Error('projectRef is required')

  let headers = new Headers()
  if (connectionString) headers.set('x-connection-encrypted', connectionString)

  const { data, error } = await get('/platform/pg-meta/{ref}/publications', {
    params: {
      header: {
        'x-connection-encrypted': connectionString!,
        'x-pg-application-name': DEFAULT_PLATFORM_APPLICATION_NAME,
      },
      path: {
        ref: projectRef,
      },
    },
    headers,
    signal,
  })

  if (error) handleError(error)
  return data
}

export type DatabasePublicationsData = Awaited<ReturnType<typeof getDatabasePublications>>
export type DatabasePublicationsError = ResponseError

export const useDatabasePublicationsQuery = <TData = DatabasePublicationsData>(
  { projectRef, connectionString }: DatabasePublicationsVariables,
  {
    enabled = true,
    ...options
  }: UseCustomQueryOptions<DatabasePublicationsData, DatabasePublicationsError, TData> = {}
) =>
  useQuery<DatabasePublicationsData, DatabasePublicationsError, TData>({
    queryKey: databasePublicationsKeys.list(projectRef),
    queryFn: ({ signal }) => getDatabasePublications({ projectRef, connectionString }, signal),
    enabled: enabled && typeof projectRef !== 'undefined',
    ...options,
  })

export const useIsTableRealtimeEnabled = ({ id }: { id: number }) => {
  const { data: project } = useSelectedProjectQuery()
  const { data: publications } = useDatabasePublicationsQuery({
    projectRef: project?.ref,
    connectionString: project?.connectionString,
  })
  const realtimePublication = (publications ?? []).find(
    (publication) => publication.name === 'supabase_realtime'
  )
  const realtimeEnabledTables = realtimePublication?.tables ?? []
  const isRealtimeEnabled = realtimeEnabledTables.some((t) => t.id === id)
  return isRealtimeEnabled
}