import { InfiniteData, useInfiniteQuery } from '@tanstack/react-query'
import { components } from 'api-types'

import { projectKeys } from './keys'
import { get, handleError } from '@/data/fetchers'
import { useProfile } from '@/lib/profile'
import type { ResponseError, UseCustomInfiniteQueryOptions } from '@/types'

const DEFAULT_LIMIT = 100

interface GetProjectsInfiniteVariables {
  limit?: number
  sort?: 'name_asc' | 'name_desc' | 'created_asc' | 'created_desc'
  search?: string
  page?: number
}

export type ProjectInfiniteResponse = components['schemas']['ListProjectsPaginatedResponse_Output']
export type ProjectInfoInfinite = ProjectInfiniteResponse['projects'][number]

async function getProjects(
  {
    limit = DEFAULT_LIMIT,
    page = 0,
    sort = 'name_asc',
    search: _search = '',
  }: GetProjectsInfiniteVariables,
  signal?: AbortSignal,
  headers?: Record<string, string>
) {
  const offset = page * limit
  const search = _search.length === 0 ? undefined : _search

  const { data, error } = await get('/platform/projects', {
    // @ts-ignore [Joshen] API type issue for Version 2 endpoints
    params: { query: { limit, offset, sort, search } },
    signal,
    headers: { ...headers, Version: '2' },
  })

  if (error) handleError(error)
  return data as unknown as components['schemas']['ListProjectsPaginatedResponse_Output']
}

export type ProjectsInfiniteData = Awaited<ReturnType<typeof getProjects>>
export type ProjectsInfiniteError = ResponseError

export const useProjectsInfiniteQuery = <TData = ProjectsInfiniteData>(
  { limit = DEFAULT_LIMIT, sort = 'name_asc', search }: GetProjectsInfiniteVariables,
  {
    enabled = true,
    ...options
  }: UseCustomInfiniteQueryOptions<
    ProjectsInfiniteData,
    ProjectsInfiniteError,
    InfiniteData<TData>,
    readonly unknown[],
    number
  > = {}
) => {
  const { profile } = useProfile()
  return useInfiniteQuery({
    queryKey: projectKeys.infiniteList({ limit, sort, search }),
    queryFn: ({ signal, pageParam }) =>
      getProjects({ limit, page: pageParam, sort, search }, signal),
    enabled: enabled && profile !== undefined,
    staleTime: 30 * 60 * 1000, // 30 minutes
    initialPageParam: 0,
    getNextPageParam(lastPage, pages) {
      const page = pages.length
      const currentTotalCount = page * limit
      // @ts-ignore [Joshen] API type issue for Version 2 endpoints
      const totalCount = lastPage?.pagination?.count

      if (totalCount === undefined || currentTotalCount >= totalCount) return undefined
      return page
    },
    ...options,
  })
}