import {z} from 'zod'

export type GetApiDocumentsArgs = {offset?: number | undefined, limit?: number | undefined, sort_column?: ('name' | 'username' | 'type' | 'size' | 'page_count' | 'connector' | 'uri' | 'original_type' | 'original_mtime' | 'status' | 'updated_at') | undefined, ascending?: boolean | undefined, with_summaries?: boolean | undefined, metadata_filter?: string | undefined, username?: string | undefined, status?: string | undefined, source?: string | undefined, chat_session_id?: string | undefined, group_by_source_chat?: boolean | undefined};

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

export const metadata = z.record(z.string(), z.unknown());

export const document = z.object({id: z.string(), name: z.string(), username: z.string(), type: z.string(), size: z.number().int(), page_count: z.number().int(), status: z.enum(["unknown", "scheduled", "queued", "running", "completed", "failed", "canceled", "agent_only"]), usage_stats: z.string().optional(), connector: z.string().optional(), original_type: z.string().optional(), original_mtime: z.string().optional(), created_at: z.string(), updated_at: z.string(), uri: z.string().optional(), summary: z.string().optional(), summary_parameters: z.string().optional(), metadata_dict: metadata.optional(), is_encrypted: z.boolean().optional(), chat_session_id: z.string().optional(), chat_session_name: z.string().optional(), chat_session_visible: z.boolean().optional()});

export const getApiDocumentsResponse = z.array(document);

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
};

/**
 * List documents.
 * 
 * GET /documents
 */
export const getApiDocuments = async (args: GetApiDocumentsArgs, options?: GetApiDocumentsOptions) => {
const {baseUrl = "https://h2ogpte.genai.h2o.ai/api/v1", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.offset != null) query.append("offset", String(args.offset))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.sort_column != null) query.append("sort_column", String(args.sort_column))
if (args.ascending != null) query.append("ascending", String(args.ascending))
if (args.with_summaries != null) query.append("with_summaries", String(args.with_summaries))
if (args.metadata_filter != null) query.append("metadata_filter", String(args.metadata_filter))
if (args.username != null) query.append("username", String(args.username))
if (args.status != null) query.append("status", String(args.status))
if (args.source != null) query.append("source", String(args.source))
if (args.chat_session_id != null) query.append("chat_session_id", String(args.chat_session_id))
if (args.group_by_source_chat != null) query.append("group_by_source_chat", String(args.group_by_source_chat))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

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

const res = await fetchFn(url, {method: "GET", headers})

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

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