import {z} from 'zod'

export type StatsFolderRequest = {folder_ids: Array<unknown>};

export type CreateApiApiStatsFoldersArgs = {'x-csrf-token'?: string | undefined, 'api-key'?: string | undefined, session_id?: string | undefined, body: StatsFolderRequest};

export type CreateApiApiStatsFoldersOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const conversionStats = z.object({total: z.number().int(), completed: z.number().int(), in_progress: z.number().int(), failed: z.number().int()});

export const folderStats = z.object({folder_id: z.string(), stats: conversionStats});

export const createApiApiStatsFoldersResponse = z.array(folderStats);

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Get Folder Stats
 * 
 * POST /api/stats/folders
 */
export const createApiApiStatsFolders = async (args: CreateApiApiStatsFoldersArgs, options: CreateApiApiStatsFoldersOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
const cookies: string[] = []
headers.set('content-type', "application/json")
headers.set('accept', "application/json")

if (args['x-csrf-token'] != null) headers.set("x-csrf-token", String(args['x-csrf-token']))
if (args['api-key'] != null) headers.set("api-key", String(args['api-key']))
if (args.session_id != null) cookies.push("session_id=" + encodeURIComponent(String(args.session_id)))
if (cookies.length > 0) headers.set('cookie', cookies.join('; '))

const url = `${baseUrl.replace(/\/+$/, '')}/api/stats/folders${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(createApiApiStatsFoldersResponse, await res.json())
};