import {z} from 'zod'

export type GetApiV1DatasetsDatasetIdExportArgs = {dataset_id: string, format: string, columns?: (string | null) | undefined, limit?: (number | null) | undefined};

export type GetApiV1DatasetsDatasetIdExportOptions = {baseUrl?: string | undefined, HTTPBearer?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiV1DatasetsDatasetIdExportResponse = z.unknown();

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
};

/**
 * Read dataset content as csv or jsonl
 * 
 * GET /v1/datasets/{dataset_id}/export
 */
export const getApiV1DatasetsDatasetIdExport = async (args: GetApiV1DatasetsDatasetIdExportArgs, options?: GetApiV1DatasetsDatasetIdExportOptions) => {
const {baseUrl = "https://api.tokenfactory.nebius.com", fetch: fetchFn = fetch, HTTPBearer} = options ?? {}

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

if (args.format != null) query.append("format", String(args.format))
if (args.columns != null) query.append("columns", String(args.columns))
if (args.limit != null) query.append("limit", String(args.limit))
if (HTTPBearer !== undefined) headers.set('authorization', `Bearer ${HTTPBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/datasets/${encodeURIComponent(String(args.dataset_id))}/export${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(getApiV1DatasetsDatasetIdExportResponse, await res.json())
};