// File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.

import type { RequestInit, RequestInfo, BodyInit } from './internal/builtin-types';
import type { HTTPMethod, PromiseOrValue, MergedRequestInit, FinalizedRequestInit } from './internal/types';
import { uuid4 } from './internal/utils/uuid';
import { validatePositiveInteger, isAbsoluteURL, safeJSON } from './internal/utils/values';
import { sleep } from './internal/utils/sleep';
export type { Logger, LogLevel } from './internal/utils/log';
import { castToError, isAbortError } from './internal/errors';
import type { APIResponseProps } from './internal/parse';
import { getPlatformHeaders } from './internal/detect-platform';
import * as Shims from './internal/shims';
import * as Opts from './internal/request-options';
import { stringifyQuery } from './internal/utils/query';
import { VERSION } from './version';
import * as Errors from './core/error';
import * as Pagination from './core/pagination';
import {
  AbstractPage,
  type AssetsCursorParams,
  AssetsCursorResponse,
  type CollectionsCursorParams,
  CollectionsCursorResponse,
  type JobsCursorParams,
  JobsCursorResponse,
  type ModelsCursorParams,
  ModelsCursorResponse,
  type SearchHitsOffsetParams,
  SearchHitsOffsetResponse,
  type SnapshotsCursorParams,
  SnapshotsCursorResponse,
  type TagsCursorParams,
  TagsCursorResponse,
  type WorkflowsCursorParams,
  WorkflowsCursorResponse,
} from './core/pagination';
import * as Uploads from './core/uploads';
import * as API from './resources/index';
import { APIPromise } from './core/api-promise';
import {
  Generate,
  GenerateCaptionParams,
  GenerateCaptionResponse,
  GenerateDescribeStyleParams,
  GenerateDescribeStyleResponse,
  GenerateDetectParams,
  GenerateDetectResponse,
  GenerateEmbedParams,
  GenerateEmbedResponse,
  GeneratePatchParams,
  GeneratePatchResponse,
  GeneratePromptParams,
  GeneratePromptResponse,
  GenerateRunModelParams,
  GenerateRunModelResponse,
  GenerateTranslateParams,
  GenerateTranslateResponse,
} from './resources/generate';
import {
  JobListParams,
  JobListResponse,
  JobListResponsesJobsCursor,
  JobRetrieveParams,
  JobRetrieveResponse,
  JobTriggerActionParams,
  JobTriggerActionResponse,
  Jobs,
} from './resources/jobs';
import { Oscu, OscuRetrievePricesResponse } from './resources/oscu';
import {
  Search,
  SearchAssetSearchParams,
  SearchAssetSearchResponse,
  SearchAssetSearchResponsesSearchHitsOffset,
  SearchModelSearchParams,
  SearchModelSearchResponse,
  SearchModelSearchResponsesSearchHitsOffset,
} from './resources/search';
import { TagListParams, TagListResponse, TagListResponsesTagsCursor, Tags } from './resources/tags';
import {
  UploadCreateParams,
  UploadCreateResponse,
  UploadRetrieveParams,
  UploadRetrieveResponse,
  UploadTriggerActionParams,
  UploadTriggerActionResponse,
  Uploads as UploadsAPIUploads,
} from './resources/uploads';
import { UsageListParams, UsageListResponse, Usages } from './resources/usages';
import {
  WorkflowApproveUserParams,
  WorkflowCreateParams,
  WorkflowCreateResponse,
  WorkflowDeleteParams,
  WorkflowDeleteResponse,
  WorkflowGetTagsParams,
  WorkflowGetTagsResponse,
  WorkflowListParams,
  WorkflowListResponse,
  WorkflowListResponsesWorkflowsCursor,
  WorkflowRetrieveParams,
  WorkflowRetrieveResponse,
  WorkflowRunParams,
  WorkflowRunResponse,
  WorkflowUpdateParams,
  WorkflowUpdateResponse,
  WorkflowUserApprovalParams,
  WorkflowUserApprovalResponse,
  Workflows,
} from './resources/workflows';
import {
  AssetDeleteMultipleParams,
  AssetDeleteMultipleResponse,
  AssetDuplicateParams,
  AssetDuplicateResponse,
  AssetGetBulkParams,
  AssetGetBulkResponse,
  AssetListParams,
  AssetListResponse,
  AssetListResponsesAssetsCursor,
  AssetListSnapshotsParams,
  AssetListSnapshotsResponse,
  AssetListSnapshotsResponsesSnapshotsCursor,
  AssetLockParams,
  AssetLockResponse,
  AssetRetrieveParams,
  AssetRetrieveResponse,
  AssetUnlockParams,
  AssetUnlockResponse,
  AssetUpdateParams,
  AssetUpdateResponse,
  AssetUpdateTagsParams,
  AssetUpdateTagsResponse,
  AssetUploadParams,
  AssetUploadResponse,
  Assets,
} from './resources/assets/assets';
import {
  CollectionCreateParams,
  CollectionCreateResponse,
  CollectionDeleteParams,
  CollectionDeleteResponse,
  CollectionListParams,
  CollectionListResponse,
  CollectionListResponsesCollectionsCursor,
  CollectionRetrieveParams,
  CollectionRetrieveResponse,
  CollectionUpdateParams,
  CollectionUpdateResponse,
  Collections,
} from './resources/collections/collections';
import {
  ModelCopyParams,
  ModelCopyResponse,
  ModelCreateParams,
  ModelCreateResponse,
  ModelDeleteImagesParams,
  ModelDeleteImagesResponse,
  ModelDeleteParams,
  ModelDeleteResponse,
  ModelDownloadParams,
  ModelDownloadResponse,
  ModelGetBulkParams,
  ModelGetBulkResponse,
  ModelListParams,
  ModelListResponse,
  ModelListResponsesModelsCursor,
  ModelRetrieveParams,
  ModelRetrieveResponse,
  ModelTransferParams,
  ModelTransferResponse,
  ModelUpdateParams,
  ModelUpdateResponse,
  ModelUpdateTagsParams,
  ModelUpdateTagsResponse,
  Models,
} from './resources/models/models';
import { Pricing } from './resources/pricing/pricing';
import { type Fetch } from './internal/builtin-types';
import { HeadersLike, NullableHeaders, buildHeaders } from './internal/headers';
import { FinalRequestOptions, RequestOptions } from './internal/request-options';
import { toBase64 } from './internal/utils/base64';
import { readEnv } from './internal/utils/env';
import {
  type LogLevel,
  type Logger,
  formatRequestDetails,
  loggerFor,
  parseLogLevel,
} from './internal/utils/log';
import { isEmptyObj } from './internal/utils/values';

export interface ClientOptions {
  /**
   * Defaults to process.env['SCENARIO_SDK_API_KEY'].
   */
  apiKey?: string | null | undefined;

  /**
   * Defaults to process.env['SCENARIO_SDK_API_SECRET'].
   */
  apiSecret?: string | null | undefined;

  /**
   * Defaults to process.env['SCENARIO_SDK_JWT'].
   */
  bearerAuth?: string | null | undefined;

  /**
   * Override the default base URL for the API, e.g., "https://api.example.com/v2/"
   *
   * Defaults to process.env['SCENARIO_BASE_URL'].
   */
  baseURL?: string | null | undefined;

  /**
   * The maximum amount of time (in milliseconds) that the client should wait for a response
   * from the server before timing out a single request.
   *
   * Note that request timeouts are retried by default, so in a worst-case scenario you may wait
   * much longer than this timeout before the promise succeeds or fails.
   *
   * @unit milliseconds
   */
  timeout?: number | undefined;
  /**
   * Additional `RequestInit` options to be passed to `fetch` calls.
   * Properties will be overridden by per-request `fetchOptions`.
   */
  fetchOptions?: MergedRequestInit | undefined;

  /**
   * Specify a custom `fetch` function implementation.
   *
   * If not provided, we expect that `fetch` is defined globally.
   */
  fetch?: Fetch | undefined;

  /**
   * The maximum number of times that the client will retry a request in case of a
   * temporary failure, like a network error or a 5XX error from the server.
   *
   * @default 2
   */
  maxRetries?: number | undefined;

  /**
   * Default headers to include with every request to the API.
   *
   * These can be removed in individual requests by explicitly setting the
   * header to `null` in request options.
   */
  defaultHeaders?: HeadersLike | undefined;

  /**
   * Default query parameters to include with every request to the API.
   *
   * These can be removed in individual requests by explicitly setting the
   * param to `undefined` in request options.
   */
  defaultQuery?: Record<string, string | undefined> | undefined;

  /**
   * Set the log level.
   *
   * Defaults to process.env['SCENARIO_LOG'] or 'warn' if it isn't set.
   */
  logLevel?: LogLevel | undefined;

  /**
   * Set the logger.
   *
   * Defaults to globalThis.console.
   */
  logger?: Logger | undefined;
}

/**
 * API Client for interfacing with the Scenario API.
 */
export class Scenario {
  apiKey: string | null;
  apiSecret: string | null;
  bearerAuth: string | null;

  baseURL: string;
  maxRetries: number;
  timeout: number;
  logger: Logger;
  logLevel: LogLevel | undefined;
  fetchOptions: MergedRequestInit | undefined;

  private fetch: Fetch;
  #encoder: Opts.RequestEncoder;
  protected idempotencyHeader?: string;
  private _options: ClientOptions;

  /**
   * API Client for interfacing with the Scenario API.
   *
   * @param {string | null | undefined} [opts.apiKey=process.env['SCENARIO_SDK_API_KEY'] ?? null]
   * @param {string | null | undefined} [opts.apiSecret=process.env['SCENARIO_SDK_API_SECRET'] ?? null]
   * @param {string | null | undefined} [opts.bearerAuth=process.env['SCENARIO_SDK_JWT'] ?? null]
   * @param {string} [opts.baseURL=process.env['SCENARIO_BASE_URL'] ?? https://api.cloud.scenario.com/v1] - Override the default base URL for the API.
   * @param {number} [opts.timeout=1 minute] - The maximum amount of time (in milliseconds) the client will wait for a response before timing out.
   * @param {MergedRequestInit} [opts.fetchOptions] - Additional `RequestInit` options to be passed to `fetch` calls.
   * @param {Fetch} [opts.fetch] - Specify a custom `fetch` function implementation.
   * @param {number} [opts.maxRetries=2] - The maximum number of times the client will retry a request.
   * @param {HeadersLike} opts.defaultHeaders - Default headers to include with every request to the API.
   * @param {Record<string, string | undefined>} opts.defaultQuery - Default query parameters to include with every request to the API.
   */
  constructor({
    baseURL = readEnv('SCENARIO_BASE_URL'),
    apiKey = readEnv('SCENARIO_SDK_API_KEY') ?? null,
    apiSecret = readEnv('SCENARIO_SDK_API_SECRET') ?? null,
    bearerAuth = readEnv('SCENARIO_SDK_JWT') ?? null,
    ...opts
  }: ClientOptions = {}) {
    const options: ClientOptions = {
      apiKey,
      apiSecret,
      bearerAuth,
      ...opts,
      baseURL: baseURL || `https://api.cloud.scenario.com/v1`,
    };

    this.baseURL = options.baseURL!;
    this.timeout = options.timeout ?? Scenario.DEFAULT_TIMEOUT /* 1 minute */;
    this.logger = options.logger ?? console;
    const defaultLogLevel = 'warn';
    // Set default logLevel early so that we can log a warning in parseLogLevel.
    this.logLevel = defaultLogLevel;
    this.logLevel =
      parseLogLevel(options.logLevel, 'ClientOptions.logLevel', this) ??
      parseLogLevel(readEnv('SCENARIO_LOG'), "process.env['SCENARIO_LOG']", this) ??
      defaultLogLevel;
    this.fetchOptions = options.fetchOptions;
    this.maxRetries = options.maxRetries ?? 2;
    this.fetch = options.fetch ?? Shims.getDefaultFetch();
    this.#encoder = Opts.FallbackEncoder;

    const customHeadersEnv = readEnv('SCENARIO_CUSTOM_HEADERS');
    if (customHeadersEnv) {
      const parsed: Record<string, string> = {};
      for (const line of customHeadersEnv.split('\n')) {
        const colon = line.indexOf(':');
        if (colon >= 0) {
          parsed[line.substring(0, colon).trim()] = line.substring(colon + 1).trim();
        }
      }
      options.defaultHeaders = { ...parsed, ...options.defaultHeaders };
    }

    this._options = options;

    this.apiKey = apiKey;
    this.apiSecret = apiSecret;
    this.bearerAuth = bearerAuth;
  }

  /**
   * Create a new client instance re-using the same options given to the current client with optional overriding.
   */
  withOptions(options: Partial<ClientOptions>): this {
    const client = new (this.constructor as any as new (props: ClientOptions) => typeof this)({
      ...this._options,
      baseURL: this.baseURL,
      maxRetries: this.maxRetries,
      timeout: this.timeout,
      logger: this.logger,
      logLevel: this.logLevel,
      fetch: this.fetch,
      fetchOptions: this.fetchOptions,
      apiKey: this.apiKey,
      apiSecret: this.apiSecret,
      bearerAuth: this.bearerAuth,
      ...options,
    });
    return client;
  }

  /**
   * Check whether the base URL is set to its default.
   */
  #baseURLOverridden(): boolean {
    return this.baseURL !== 'https://api.cloud.scenario.com/v1';
  }

  protected defaultQuery(): Record<string, string | undefined> | undefined {
    return this._options.defaultQuery;
  }

  protected validateHeaders({ values, nulls }: NullableHeaders) {
    if (this.apiKey && this.apiSecret && values.get('authorization')) {
      return;
    }
    if (nulls.has('authorization')) {
      return;
    }

    if (this.bearerAuth && values.get('authorization')) {
      return;
    }
    if (nulls.has('authorization')) {
      return;
    }

    throw new Error(
      'Could not resolve authentication method. Expected either apiKey, apiSecret or bearerAuth to be set. Or for one of the "Authorization" or "Authorization" headers to be explicitly omitted',
    );
  }

  protected async authHeaders(opts: FinalRequestOptions): Promise<NullableHeaders | undefined> {
    return buildHeaders([await this.scBasicAuth(opts), await this.scBearerAuth(opts)]);
  }

  protected async scBasicAuth(opts: FinalRequestOptions): Promise<NullableHeaders | undefined> {
    if (!this.apiKey) {
      return undefined;
    }

    if (!this.apiSecret) {
      return undefined;
    }

    const credentials = `${this.apiKey}:${this.apiSecret}`;
    const Authorization = `Basic ${toBase64(credentials)}`;
    return buildHeaders([{ Authorization }]);
  }

  protected async scBearerAuth(opts: FinalRequestOptions): Promise<NullableHeaders | undefined> {
    if (this.bearerAuth == null) {
      return undefined;
    }
    return buildHeaders([{ Authorization: `Bearer ${this.bearerAuth}` }]);
  }

  protected stringifyQuery(query: object | Record<string, unknown>): string {
    return stringifyQuery(query);
  }

  private getUserAgent(): string {
    return `${this.constructor.name}/JS ${VERSION}`;
  }

  protected defaultIdempotencyKey(): string {
    return `stainless-node-retry-${uuid4()}`;
  }

  protected makeStatusError(
    status: number,
    error: Object,
    message: string | undefined,
    headers: Headers,
  ): Errors.APIError {
    return Errors.APIError.generate(status, error, message, headers);
  }

  buildURL(
    path: string,
    query: Record<string, unknown> | null | undefined,
    defaultBaseURL?: string | undefined,
  ): string {
    const baseURL = (!this.#baseURLOverridden() && defaultBaseURL) || this.baseURL;
    const url =
      isAbsoluteURL(path) ?
        new URL(path)
      : new URL(baseURL + (baseURL.endsWith('/') && path.startsWith('/') ? path.slice(1) : path));

    const defaultQuery = this.defaultQuery();
    const pathQuery = Object.fromEntries(url.searchParams);
    if (!isEmptyObj(defaultQuery) || !isEmptyObj(pathQuery)) {
      query = { ...pathQuery, ...defaultQuery, ...query };
    }

    if (typeof query === 'object' && query && !Array.isArray(query)) {
      url.search = this.stringifyQuery(query);
    }

    return url.toString();
  }

  /**
   * Used as a callback for mutating the given `FinalRequestOptions` object.
   */
  protected async prepareOptions(options: FinalRequestOptions): Promise<void> {}

  /**
   * Used as a callback for mutating the given `RequestInit` object.
   *
   * This is useful for cases where you want to add certain headers based off of
   * the request properties, e.g. `method` or `url`.
   */
  protected async prepareRequest(
    request: RequestInit,
    { url, options }: { url: string; options: FinalRequestOptions },
  ): Promise<void> {}

  get<Rsp>(path: string, opts?: PromiseOrValue<RequestOptions>): APIPromise<Rsp> {
    return this.methodRequest('get', path, opts);
  }

  post<Rsp>(path: string, opts?: PromiseOrValue<RequestOptions>): APIPromise<Rsp> {
    return this.methodRequest('post', path, opts);
  }

  patch<Rsp>(path: string, opts?: PromiseOrValue<RequestOptions>): APIPromise<Rsp> {
    return this.methodRequest('patch', path, opts);
  }

  put<Rsp>(path: string, opts?: PromiseOrValue<RequestOptions>): APIPromise<Rsp> {
    return this.methodRequest('put', path, opts);
  }

  delete<Rsp>(path: string, opts?: PromiseOrValue<RequestOptions>): APIPromise<Rsp> {
    return this.methodRequest('delete', path, opts);
  }

  private methodRequest<Rsp>(
    method: HTTPMethod,
    path: string,
    opts?: PromiseOrValue<RequestOptions>,
  ): APIPromise<Rsp> {
    return this.request(
      Promise.resolve(opts).then((opts) => {
        return { method, path, ...opts };
      }),
    );
  }

  request<Rsp>(
    options: PromiseOrValue<FinalRequestOptions>,
    remainingRetries: number | null = null,
  ): APIPromise<Rsp> {
    return new APIPromise(this, this.makeRequest(options, remainingRetries, undefined));
  }

  private async makeRequest(
    optionsInput: PromiseOrValue<FinalRequestOptions>,
    retriesRemaining: number | null,
    retryOfRequestLogID: string | undefined,
  ): Promise<APIResponseProps> {
    const options = await optionsInput;
    const maxRetries = options.maxRetries ?? this.maxRetries;
    if (retriesRemaining == null) {
      retriesRemaining = maxRetries;
    }

    await this.prepareOptions(options);

    const { req, url, timeout } = await this.buildRequest(options, {
      retryCount: maxRetries - retriesRemaining,
    });

    await this.prepareRequest(req, { url, options });

    /** Not an API request ID, just for correlating local log entries. */
    const requestLogID = 'log_' + ((Math.random() * (1 << 24)) | 0).toString(16).padStart(6, '0');
    const retryLogStr = retryOfRequestLogID === undefined ? '' : `, retryOf: ${retryOfRequestLogID}`;
    const startTime = Date.now();

    loggerFor(this).debug(
      `[${requestLogID}] sending request`,
      formatRequestDetails({
        retryOfRequestLogID,
        method: options.method,
        url,
        options,
        headers: req.headers,
      }),
    );

    if (options.signal?.aborted) {
      throw new Errors.APIUserAbortError();
    }

    const controller = new AbortController();
    const response = await this.fetchWithTimeout(url, req, timeout, controller).catch(castToError);
    const headersTime = Date.now();

    if (response instanceof globalThis.Error) {
      const retryMessage = `retrying, ${retriesRemaining} attempts remaining`;
      if (options.signal?.aborted) {
        throw new Errors.APIUserAbortError();
      }
      // detect native connection timeout errors
      // deno throws "TypeError: error sending request for url (https://example/): client error (Connect): tcp connect error: Operation timed out (os error 60): Operation timed out (os error 60)"
      // undici throws "TypeError: fetch failed" with cause "ConnectTimeoutError: Connect Timeout Error (attempted address: example:443, timeout: 1ms)"
      // others do not provide enough information to distinguish timeouts from other connection errors
      const isTimeout =
        isAbortError(response) ||
        /timed? ?out/i.test(String(response) + ('cause' in response ? String(response.cause) : ''));
      if (retriesRemaining) {
        loggerFor(this).info(
          `[${requestLogID}] connection ${isTimeout ? 'timed out' : 'failed'} - ${retryMessage}`,
        );
        loggerFor(this).debug(
          `[${requestLogID}] connection ${isTimeout ? 'timed out' : 'failed'} (${retryMessage})`,
          formatRequestDetails({
            retryOfRequestLogID,
            url,
            durationMs: headersTime - startTime,
            message: response.message,
          }),
        );
        return this.retryRequest(options, retriesRemaining, retryOfRequestLogID ?? requestLogID);
      }
      loggerFor(this).info(
        `[${requestLogID}] connection ${isTimeout ? 'timed out' : 'failed'} - error; no more retries left`,
      );
      loggerFor(this).debug(
        `[${requestLogID}] connection ${isTimeout ? 'timed out' : 'failed'} (error; no more retries left)`,
        formatRequestDetails({
          retryOfRequestLogID,
          url,
          durationMs: headersTime - startTime,
          message: response.message,
        }),
      );
      if (isTimeout) {
        throw new Errors.APIConnectionTimeoutError();
      }
      throw new Errors.APIConnectionError({ cause: response });
    }

    const responseInfo = `[${requestLogID}${retryLogStr}] ${req.method} ${url} ${
      response.ok ? 'succeeded' : 'failed'
    } with status ${response.status} in ${headersTime - startTime}ms`;

    if (!response.ok) {
      const shouldRetry = await this.shouldRetry(response);
      if (retriesRemaining && shouldRetry) {
        const retryMessage = `retrying, ${retriesRemaining} attempts remaining`;

        // We don't need the body of this response.
        await Shims.CancelReadableStream(response.body);
        loggerFor(this).info(`${responseInfo} - ${retryMessage}`);
        loggerFor(this).debug(
          `[${requestLogID}] response error (${retryMessage})`,
          formatRequestDetails({
            retryOfRequestLogID,
            url: response.url,
            status: response.status,
            headers: response.headers,
            durationMs: headersTime - startTime,
          }),
        );
        return this.retryRequest(
          options,
          retriesRemaining,
          retryOfRequestLogID ?? requestLogID,
          response.headers,
        );
      }

      const retryMessage = shouldRetry ? `error; no more retries left` : `error; not retryable`;

      loggerFor(this).info(`${responseInfo} - ${retryMessage}`);

      const errText = await response.text().catch((err: any) => castToError(err).message);
      const errJSON = safeJSON(errText) as any;
      const errMessage = errJSON ? undefined : errText;

      loggerFor(this).debug(
        `[${requestLogID}] response error (${retryMessage})`,
        formatRequestDetails({
          retryOfRequestLogID,
          url: response.url,
          status: response.status,
          headers: response.headers,
          message: errMessage,
          durationMs: Date.now() - startTime,
        }),
      );

      const err = this.makeStatusError(response.status, errJSON, errMessage, response.headers);
      throw err;
    }

    loggerFor(this).info(responseInfo);
    loggerFor(this).debug(
      `[${requestLogID}] response start`,
      formatRequestDetails({
        retryOfRequestLogID,
        url: response.url,
        status: response.status,
        headers: response.headers,
        durationMs: headersTime - startTime,
      }),
    );

    return { response, options, controller, requestLogID, retryOfRequestLogID, startTime };
  }

  getAPIList<Item, PageClass extends Pagination.AbstractPage<Item> = Pagination.AbstractPage<Item>>(
    path: string,
    Page: new (...args: any[]) => PageClass,
    opts?: PromiseOrValue<RequestOptions>,
  ): Pagination.PagePromise<PageClass, Item> {
    return this.requestAPIList(
      Page,
      opts && 'then' in opts ?
        opts.then((opts) => ({ method: 'get', path, ...opts }))
      : { method: 'get', path, ...opts },
    );
  }

  requestAPIList<
    Item = unknown,
    PageClass extends Pagination.AbstractPage<Item> = Pagination.AbstractPage<Item>,
  >(
    Page: new (...args: ConstructorParameters<typeof Pagination.AbstractPage>) => PageClass,
    options: PromiseOrValue<FinalRequestOptions>,
  ): Pagination.PagePromise<PageClass, Item> {
    const request = this.makeRequest(options, null, undefined);
    return new Pagination.PagePromise<PageClass, Item>(this as any as Scenario, request, Page);
  }

  async fetchWithTimeout(
    url: RequestInfo,
    init: RequestInit | undefined,
    ms: number,
    controller: AbortController,
  ): Promise<Response> {
    const { signal, method, ...options } = init || {};
    const abort = this._makeAbort(controller);
    if (signal) signal.addEventListener('abort', abort, { once: true });

    const timeout = setTimeout(abort, ms);

    const isReadableBody =
      ((globalThis as any).ReadableStream && options.body instanceof (globalThis as any).ReadableStream) ||
      (typeof options.body === 'object' && options.body !== null && Symbol.asyncIterator in options.body);

    const fetchOptions: RequestInit = {
      signal: controller.signal as any,
      ...(isReadableBody ? { duplex: 'half' } : {}),
      method: 'GET',
      ...options,
    };
    if (method) {
      // Custom methods like 'patch' need to be uppercased
      // See https://github.com/nodejs/undici/issues/2294
      fetchOptions.method = method.toUpperCase();
    }

    try {
      // use undefined this binding; fetch errors if bound to something else in browser/cloudflare
      return await this.fetch.call(undefined, url, fetchOptions);
    } finally {
      clearTimeout(timeout);
    }
  }

  private async shouldRetry(response: Response): Promise<boolean> {
    // Note this is not a standard header.
    const shouldRetryHeader = response.headers.get('x-should-retry');

    // If the server explicitly says whether or not to retry, obey.
    if (shouldRetryHeader === 'true') return true;
    if (shouldRetryHeader === 'false') return false;

    // Retry on request timeouts.
    if (response.status === 408) return true;

    // Retry on lock timeouts.
    if (response.status === 409) return true;

    // Retry on rate limits.
    if (response.status === 429) return true;

    // Retry internal errors.
    if (response.status >= 500) return true;

    return false;
  }

  private async retryRequest(
    options: FinalRequestOptions,
    retriesRemaining: number,
    requestLogID: string,
    responseHeaders?: Headers | undefined,
  ): Promise<APIResponseProps> {
    let timeoutMillis: number | undefined;

    // Note the `retry-after-ms` header may not be standard, but is a good idea and we'd like proactive support for it.
    const retryAfterMillisHeader = responseHeaders?.get('retry-after-ms');
    if (retryAfterMillisHeader) {
      const timeoutMs = parseFloat(retryAfterMillisHeader);
      if (!Number.isNaN(timeoutMs)) {
        timeoutMillis = timeoutMs;
      }
    }

    // About the Retry-After header: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Retry-After
    const retryAfterHeader = responseHeaders?.get('retry-after');
    if (retryAfterHeader && !timeoutMillis) {
      const timeoutSeconds = parseFloat(retryAfterHeader);
      if (!Number.isNaN(timeoutSeconds)) {
        timeoutMillis = timeoutSeconds * 1000;
      } else {
        timeoutMillis = Date.parse(retryAfterHeader) - Date.now();
      }
    }

    // If the API asks us to wait a certain amount of time, just do what it
    // says, but otherwise calculate a default
    if (timeoutMillis === undefined) {
      const maxRetries = options.maxRetries ?? this.maxRetries;
      timeoutMillis = this.calculateDefaultRetryTimeoutMillis(retriesRemaining, maxRetries);
    }
    await sleep(timeoutMillis);

    return this.makeRequest(options, retriesRemaining - 1, requestLogID);
  }

  private calculateDefaultRetryTimeoutMillis(retriesRemaining: number, maxRetries: number): number {
    const initialRetryDelay = 0.5;
    const maxRetryDelay = 8.0;

    const numRetries = maxRetries - retriesRemaining;

    // Apply exponential backoff, but not more than the max.
    const sleepSeconds = Math.min(initialRetryDelay * Math.pow(2, numRetries), maxRetryDelay);

    // Apply some jitter, take up to at most 25 percent of the retry time.
    const jitter = 1 - Math.random() * 0.25;

    return sleepSeconds * jitter * 1000;
  }

  async buildRequest(
    inputOptions: FinalRequestOptions,
    { retryCount = 0 }: { retryCount?: number } = {},
  ): Promise<{ req: FinalizedRequestInit; url: string; timeout: number }> {
    const options = { ...inputOptions };
    const { method, path, query, defaultBaseURL } = options;

    const url = this.buildURL(path!, query as Record<string, unknown>, defaultBaseURL);
    if ('timeout' in options) validatePositiveInteger('timeout', options.timeout);
    options.timeout = options.timeout ?? this.timeout;
    const { bodyHeaders, body } = this.buildBody({ options });
    const reqHeaders = await this.buildHeaders({ options: inputOptions, method, bodyHeaders, retryCount });

    const req: FinalizedRequestInit = {
      method,
      headers: reqHeaders,
      ...(options.signal && { signal: options.signal }),
      ...((globalThis as any).ReadableStream &&
        body instanceof (globalThis as any).ReadableStream && { duplex: 'half' }),
      ...(body && { body }),
      ...((this.fetchOptions as any) ?? {}),
      ...((options.fetchOptions as any) ?? {}),
    };

    return { req, url, timeout: options.timeout };
  }

  private async buildHeaders({
    options,
    method,
    bodyHeaders,
    retryCount,
  }: {
    options: FinalRequestOptions;
    method: HTTPMethod;
    bodyHeaders: HeadersLike;
    retryCount: number;
  }): Promise<Headers> {
    let idempotencyHeaders: HeadersLike = {};
    if (this.idempotencyHeader && method !== 'get') {
      if (!options.idempotencyKey) options.idempotencyKey = this.defaultIdempotencyKey();
      idempotencyHeaders[this.idempotencyHeader] = options.idempotencyKey;
    }

    const headers = buildHeaders([
      idempotencyHeaders,
      {
        Accept: 'application/json',
        'User-Agent': this.getUserAgent(),
        'X-Stainless-Retry-Count': String(retryCount),
        ...(options.timeout ? { 'X-Stainless-Timeout': String(Math.trunc(options.timeout / 1000)) } : {}),
        ...getPlatformHeaders(),
      },
      await this.authHeaders(options),
      this._options.defaultHeaders,
      bodyHeaders,
      options.headers,
    ]);

    this.validateHeaders(headers);

    return headers.values;
  }

  private _makeAbort(controller: AbortController) {
    // note: we can't just inline this method inside `fetchWithTimeout()` because then the closure
    //       would capture all request options, and cause a memory leak.
    return () => controller.abort();
  }

  private buildBody({ options }: { options: FinalRequestOptions }): {
    bodyHeaders: HeadersLike;
    body: BodyInit | undefined;
  } {
    const { body, headers: rawHeaders } = options;
    if (!body) {
      // A resource method always passes a `body` key when its operation defines a
      // request body, even if the caller omitted an optional body param. Keep the
      // content-type for those, and only elide it for operations with no body at
      // all (e.g. GET/DELETE).
      if (body == null && 'body' in options) {
        return this.#encoder({ body, headers: buildHeaders([rawHeaders]) });
      }
      return { bodyHeaders: undefined, body: undefined };
    }
    const headers = buildHeaders([rawHeaders]);
    if (
      // Pass raw type verbatim
      ArrayBuffer.isView(body) ||
      body instanceof ArrayBuffer ||
      body instanceof DataView ||
      (typeof body === 'string' &&
        // Preserve legacy string encoding behavior for now
        headers.values.has('content-type')) ||
      // `Blob` is superset of `File`
      ((globalThis as any).Blob && body instanceof (globalThis as any).Blob) ||
      // `FormData` -> `multipart/form-data`
      body instanceof FormData ||
      // `URLSearchParams` -> `application/x-www-form-urlencoded`
      body instanceof URLSearchParams ||
      // Send chunked stream (each chunk has own `length`)
      ((globalThis as any).ReadableStream && body instanceof (globalThis as any).ReadableStream)
    ) {
      return { bodyHeaders: undefined, body: body as BodyInit };
    } else if (
      typeof body === 'object' &&
      (Symbol.asyncIterator in body ||
        (Symbol.iterator in body && 'next' in body && typeof body.next === 'function'))
    ) {
      return { bodyHeaders: undefined, body: Shims.ReadableStreamFrom(body as AsyncIterable<Uint8Array>) };
    } else if (
      typeof body === 'object' &&
      headers.values.get('content-type') === 'application/x-www-form-urlencoded'
    ) {
      return {
        bodyHeaders: { 'content-type': 'application/x-www-form-urlencoded' },
        body: this.stringifyQuery(body),
      };
    } else {
      return this.#encoder({ body, headers });
    }
  }

  static Scenario = this;
  static DEFAULT_TIMEOUT = 60000; // 1 minute

  static ScenarioError = Errors.ScenarioError;
  static APIError = Errors.APIError;
  static APIConnectionError = Errors.APIConnectionError;
  static APIConnectionTimeoutError = Errors.APIConnectionTimeoutError;
  static APIUserAbortError = Errors.APIUserAbortError;
  static NotFoundError = Errors.NotFoundError;
  static ConflictError = Errors.ConflictError;
  static RateLimitError = Errors.RateLimitError;
  static BadRequestError = Errors.BadRequestError;
  static AuthenticationError = Errors.AuthenticationError;
  static InternalServerError = Errors.InternalServerError;
  static PermissionDeniedError = Errors.PermissionDeniedError;
  static UnprocessableEntityError = Errors.UnprocessableEntityError;

  static toFile = Uploads.toFile;

  assets: API.Assets = new API.Assets(this);
  collections: API.Collections = new API.Collections(this);
  generate: API.Generate = new API.Generate(this);
  jobs: API.Jobs = new API.Jobs(this);
  models: API.Models = new API.Models(this);
  oscu: API.Oscu = new API.Oscu(this);
  pricing: API.Pricing = new API.Pricing(this);
  search: API.Search = new API.Search(this);
  tags: API.Tags = new API.Tags(this);
  uploads: API.Uploads = new API.Uploads(this);
  usages: API.Usages = new API.Usages(this);
  workflows: API.Workflows = new API.Workflows(this);
}

Scenario.Assets = Assets;
Scenario.Collections = Collections;
Scenario.Generate = Generate;
Scenario.Jobs = Jobs;
Scenario.Models = Models;
Scenario.Oscu = Oscu;
Scenario.Pricing = Pricing;
Scenario.Search = Search;
Scenario.Tags = Tags;
Scenario.Uploads = UploadsAPIUploads;
Scenario.Usages = Usages;
Scenario.Workflows = Workflows;

export declare namespace Scenario {
  export type RequestOptions = Opts.RequestOptions;

  export import AssetsCursor = Pagination.AssetsCursor;
  export { type AssetsCursorParams as AssetsCursorParams, type AssetsCursorResponse as AssetsCursorResponse };

  export import SnapshotsCursor = Pagination.SnapshotsCursor;
  export {
    type SnapshotsCursorParams as SnapshotsCursorParams,
    type SnapshotsCursorResponse as SnapshotsCursorResponse,
  };

  export import CollectionsCursor = Pagination.CollectionsCursor;
  export {
    type CollectionsCursorParams as CollectionsCursorParams,
    type CollectionsCursorResponse as CollectionsCursorResponse,
  };

  export import JobsCursor = Pagination.JobsCursor;
  export { type JobsCursorParams as JobsCursorParams, type JobsCursorResponse as JobsCursorResponse };

  export import ModelsCursor = Pagination.ModelsCursor;
  export { type ModelsCursorParams as ModelsCursorParams, type ModelsCursorResponse as ModelsCursorResponse };

  export import TagsCursor = Pagination.TagsCursor;
  export { type TagsCursorParams as TagsCursorParams, type TagsCursorResponse as TagsCursorResponse };

  export import WorkflowsCursor = Pagination.WorkflowsCursor;
  export {
    type WorkflowsCursorParams as WorkflowsCursorParams,
    type WorkflowsCursorResponse as WorkflowsCursorResponse,
  };

  export import SearchHitsOffset = Pagination.SearchHitsOffset;
  export {
    type SearchHitsOffsetParams as SearchHitsOffsetParams,
    type SearchHitsOffsetResponse as SearchHitsOffsetResponse,
  };

  export {
    Assets as Assets,
    type AssetRetrieveResponse as AssetRetrieveResponse,
    type AssetUpdateResponse as AssetUpdateResponse,
    type AssetListResponse as AssetListResponse,
    type AssetDeleteMultipleResponse as AssetDeleteMultipleResponse,
    type AssetDuplicateResponse as AssetDuplicateResponse,
    type AssetGetBulkResponse as AssetGetBulkResponse,
    type AssetListSnapshotsResponse as AssetListSnapshotsResponse,
    type AssetLockResponse as AssetLockResponse,
    type AssetUnlockResponse as AssetUnlockResponse,
    type AssetUpdateTagsResponse as AssetUpdateTagsResponse,
    type AssetUploadResponse as AssetUploadResponse,
    type AssetListResponsesAssetsCursor as AssetListResponsesAssetsCursor,
    type AssetListSnapshotsResponsesSnapshotsCursor as AssetListSnapshotsResponsesSnapshotsCursor,
    type AssetRetrieveParams as AssetRetrieveParams,
    type AssetUpdateParams as AssetUpdateParams,
    type AssetListParams as AssetListParams,
    type AssetDeleteMultipleParams as AssetDeleteMultipleParams,
    type AssetDuplicateParams as AssetDuplicateParams,
    type AssetGetBulkParams as AssetGetBulkParams,
    type AssetListSnapshotsParams as AssetListSnapshotsParams,
    type AssetLockParams as AssetLockParams,
    type AssetUnlockParams as AssetUnlockParams,
    type AssetUpdateTagsParams as AssetUpdateTagsParams,
    type AssetUploadParams as AssetUploadParams,
  };

  export {
    Collections as Collections,
    type CollectionCreateResponse as CollectionCreateResponse,
    type CollectionRetrieveResponse as CollectionRetrieveResponse,
    type CollectionUpdateResponse as CollectionUpdateResponse,
    type CollectionListResponse as CollectionListResponse,
    type CollectionDeleteResponse as CollectionDeleteResponse,
    type CollectionListResponsesCollectionsCursor as CollectionListResponsesCollectionsCursor,
    type CollectionCreateParams as CollectionCreateParams,
    type CollectionRetrieveParams as CollectionRetrieveParams,
    type CollectionUpdateParams as CollectionUpdateParams,
    type CollectionListParams as CollectionListParams,
    type CollectionDeleteParams as CollectionDeleteParams,
  };

  export {
    Generate as Generate,
    type GenerateCaptionResponse as GenerateCaptionResponse,
    type GenerateDescribeStyleResponse as GenerateDescribeStyleResponse,
    type GenerateDetectResponse as GenerateDetectResponse,
    type GenerateEmbedResponse as GenerateEmbedResponse,
    type GeneratePatchResponse as GeneratePatchResponse,
    type GeneratePromptResponse as GeneratePromptResponse,
    type GenerateRunModelResponse as GenerateRunModelResponse,
    type GenerateTranslateResponse as GenerateTranslateResponse,
    type GenerateCaptionParams as GenerateCaptionParams,
    type GenerateDescribeStyleParams as GenerateDescribeStyleParams,
    type GenerateDetectParams as GenerateDetectParams,
    type GenerateEmbedParams as GenerateEmbedParams,
    type GeneratePatchParams as GeneratePatchParams,
    type GeneratePromptParams as GeneratePromptParams,
    type GenerateRunModelParams as GenerateRunModelParams,
    type GenerateTranslateParams as GenerateTranslateParams,
  };

  export {
    Jobs as Jobs,
    type JobRetrieveResponse as JobRetrieveResponse,
    type JobListResponse as JobListResponse,
    type JobTriggerActionResponse as JobTriggerActionResponse,
    type JobListResponsesJobsCursor as JobListResponsesJobsCursor,
    type JobRetrieveParams as JobRetrieveParams,
    type JobListParams as JobListParams,
    type JobTriggerActionParams as JobTriggerActionParams,
  };

  export {
    Models as Models,
    type ModelCreateResponse as ModelCreateResponse,
    type ModelRetrieveResponse as ModelRetrieveResponse,
    type ModelUpdateResponse as ModelUpdateResponse,
    type ModelListResponse as ModelListResponse,
    type ModelDeleteResponse as ModelDeleteResponse,
    type ModelCopyResponse as ModelCopyResponse,
    type ModelDeleteImagesResponse as ModelDeleteImagesResponse,
    type ModelDownloadResponse as ModelDownloadResponse,
    type ModelGetBulkResponse as ModelGetBulkResponse,
    type ModelTransferResponse as ModelTransferResponse,
    type ModelUpdateTagsResponse as ModelUpdateTagsResponse,
    type ModelListResponsesModelsCursor as ModelListResponsesModelsCursor,
    type ModelCreateParams as ModelCreateParams,
    type ModelRetrieveParams as ModelRetrieveParams,
    type ModelUpdateParams as ModelUpdateParams,
    type ModelListParams as ModelListParams,
    type ModelDeleteParams as ModelDeleteParams,
    type ModelCopyParams as ModelCopyParams,
    type ModelDeleteImagesParams as ModelDeleteImagesParams,
    type ModelDownloadParams as ModelDownloadParams,
    type ModelGetBulkParams as ModelGetBulkParams,
    type ModelTransferParams as ModelTransferParams,
    type ModelUpdateTagsParams as ModelUpdateTagsParams,
  };

  export { Oscu as Oscu, type OscuRetrievePricesResponse as OscuRetrievePricesResponse };

  export { Pricing as Pricing };

  export {
    Search as Search,
    type SearchAssetSearchResponse as SearchAssetSearchResponse,
    type SearchModelSearchResponse as SearchModelSearchResponse,
    type SearchAssetSearchResponsesSearchHitsOffset as SearchAssetSearchResponsesSearchHitsOffset,
    type SearchModelSearchResponsesSearchHitsOffset as SearchModelSearchResponsesSearchHitsOffset,
    type SearchAssetSearchParams as SearchAssetSearchParams,
    type SearchModelSearchParams as SearchModelSearchParams,
  };

  export {
    Tags as Tags,
    type TagListResponse as TagListResponse,
    type TagListResponsesTagsCursor as TagListResponsesTagsCursor,
    type TagListParams as TagListParams,
  };

  export {
    UploadsAPIUploads as Uploads,
    type UploadCreateResponse as UploadCreateResponse,
    type UploadRetrieveResponse as UploadRetrieveResponse,
    type UploadTriggerActionResponse as UploadTriggerActionResponse,
    type UploadCreateParams as UploadCreateParams,
    type UploadRetrieveParams as UploadRetrieveParams,
    type UploadTriggerActionParams as UploadTriggerActionParams,
  };

  export {
    Usages as Usages,
    type UsageListResponse as UsageListResponse,
    type UsageListParams as UsageListParams,
  };

  export {
    Workflows as Workflows,
    type WorkflowCreateResponse as WorkflowCreateResponse,
    type WorkflowRetrieveResponse as WorkflowRetrieveResponse,
    type WorkflowUpdateResponse as WorkflowUpdateResponse,
    type WorkflowListResponse as WorkflowListResponse,
    type WorkflowDeleteResponse as WorkflowDeleteResponse,
    type WorkflowGetTagsResponse as WorkflowGetTagsResponse,
    type WorkflowRunResponse as WorkflowRunResponse,
    type WorkflowUserApprovalResponse as WorkflowUserApprovalResponse,
    type WorkflowListResponsesWorkflowsCursor as WorkflowListResponsesWorkflowsCursor,
    type WorkflowCreateParams as WorkflowCreateParams,
    type WorkflowRetrieveParams as WorkflowRetrieveParams,
    type WorkflowUpdateParams as WorkflowUpdateParams,
    type WorkflowListParams as WorkflowListParams,
    type WorkflowDeleteParams as WorkflowDeleteParams,
    type WorkflowGetTagsParams as WorkflowGetTagsParams,
    type WorkflowRunParams as WorkflowRunParams,
    type WorkflowUserApprovalParams as WorkflowUserApprovalParams,
    type WorkflowApproveUserParams as WorkflowApproveUserParams,
  };
}