/**
 * Swagger Petstore - OpenAPI 3.0Lib
 *
 * This file was automatically generated by APIMATIC v3.0 ( https://www.apimatic.io ).
 */

import {
  compositeAuthenticationProvider,
  customHeaderAuthenticationProvider,
  OAuthConfiguration,
  requestAuthenticationProvider,
} from './authentication.js';
import { Configuration } from './configuration.js';
import { OauthToken } from './models/oauthToken.js';
import { PetstoreAuthManager } from './petstoreAuthManager.js';

export function createAuthProviderFromConfig(
  config: Partial<Configuration>,
  petstoreAuth: () => PetstoreAuthManager | undefined
) {
  const authConfig = {
    petstoreAuth:
      config.petstoreAuthCredentials &&
      requestAuthenticationProvider(
        config.petstoreAuthCredentials.oauthToken,
        petstoreAuthTokenProvider(
          petstoreAuth,
          config.petstoreAuthCredentials.oauthTokenProvider
        ),
        config.petstoreAuthCredentials.oauthOnTokenUpdate,
        {
          clockSkew: config.petstoreAuthCredentials.oauthClockSkew,
        } as OAuthConfiguration
      ),
    apiKey:
      config.apiKeyCredentials &&
      customHeaderAuthenticationProvider(config.apiKeyCredentials),
  };

  return compositeAuthenticationProvider<
    keyof typeof authConfig,
    typeof authConfig
  >(authConfig);
}

function petstoreAuthTokenProvider(
  petstoreAuth: () => PetstoreAuthManager | undefined,
  defaultProvider:
    | ((
        lastOAuthToken: OauthToken | undefined,
        authManager: PetstoreAuthManager
      ) => Promise<OauthToken>)
    | undefined
): ((token: OauthToken | undefined) => Promise<OauthToken>) | undefined {
  if (defaultProvider === undefined) {
    return undefined;
  }
  return (token: OauthToken | undefined) => {
    const manager = petstoreAuth();
    if (manager === undefined) {
      throw Error('Unable to find the OAuthManager instance');
    }
    return defaultProvider(token, manager);
  };
}