import {z} from 'zod'

export type ListsListDocumentsRequest = {corpusId?: number | undefined, numResults?: number | undefined, pageKey?: string | undefined, metadataFilter?: string | undefined};

export type CreateApiV1ListDocumentsArgs = {'customer-id': number, timeout?: string | undefined, body: ListsListDocumentsRequest};

export type CreateApiV1ListDocumentsOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const comvectaraAttribute = z.object({name: z.string().optional(), value: z.string().optional()});

export const listDocumentsResponseDocumentInfo = z.object({id: z.string().optional(), metadata: z.array(comvectaraAttribute).optional()});

export const listsListDocumentsResponse = z.object({document: z.array(listDocumentsResponseDocumentInfo).optional(), nextPageKey: z.string().optional()});

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
};

/**
 * Lists information about each document ingested into the corpus including the Document ID and metadata. This is useful for managing the lifecycle of documents and a quick way to check which documents are already in the index.
 * 
 * POST /v1/list-documents
 * 
 * Also accepts auth: oAuth
 */
export const createApiV1ListDocuments = async (args: CreateApiV1ListDocumentsArgs, options?: CreateApiV1ListDocumentsOptions) => {
const {baseUrl = "https://api.vectara.io", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (args['customer-id'] != null) headers.set("customer-id", String(args['customer-id']))
if (args.timeout != null) headers.set("timeout", String(args.timeout))
if (ApiKeyAuth !== undefined) headers.set("x-api-key", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/list-documents${query.size > 0 ? `?${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(listsListDocumentsResponse, await res.json())
};