import { SimpleStorage } from './interface'
import { ErrorType } from './consts'
import { AuthOptions } from '../auth/apis'
import { ICloudbaseConfig } from '@cloudbase/types'

/** Credentials **/
export interface Credentials {
  token_type?: string | null;
  access_token?: string | null;
  refresh_token?: string | null;
  scope?: string | null;
  expires_in?: number | null;
  expires_at?: Date | null;
  sub?: string | null;
  groups?: string[] | null;
  version?: string;
}

/** An Error For all concern **/
export interface ResponseError {
  error: ErrorType;
  error_description?: string | null;
  error_uri?: string | null;
  details?: any | null;
}

export interface RequestOptions {
  body?: any | null;
  headers?: any | null;
  method?: string;

  [key: string]: any;
}

export type RequestFunction = <T>(
    url: string,
    options?: RequestOptions,
) => Promise<T>;

export interface AuthClientRequestOptions extends RequestOptions {
  headers?: {
    'x-request-id'?: string;
    [key: string]: any;
  } | null;
  withCredentials?: boolean;
  withBasicAuth?: boolean;
  retry?: number;
  useWxCloud?: boolean;
  /**
   * Custom getCredentials function for this request.
   * When provided, uses this function instead of the default getCredentials() call
   * to avoid potential deadlocks during initialization.
   */
  getCredentials?: () => Credentials | Promise<Credentials | null> | null;

  [key: string]: any;
}

export interface OAuth2ClientOptions {
  devMode?: boolean;
  apiOrigin: string;
  apiPath?: string;
  clientId: string;
  env: string;
  // default value is 1,min value is 0, max value is 5
  retry?: number;
  baseRequest?: <T>(url: string, options?: RequestOptions) => Promise<T>;
  // Storage, default is localStorage, setItem(k, v), getItem(k),removeItem(k)
  storage?: SimpleStorage;
  clientSecret?: string;
  refreshTokenFunc?: (refreshToken?: string) => Promise<Credentials>;
  // set the token in url query instead of header
  tokenInURL?: boolean;
  headers?: { [key: string]: string };
  // hook
  anonymousSignInFunc?: (Credentials) => Promise<Credentials | void>
  wxCloud?: any;
  onCredentialsError?: AuthOptions['onCredentialsError']
  i18n?: ICloudbaseConfig['i18n']
  useWxCloud?: boolean
  eventBus?: any
  /**
   * Enable debug logging
   */
  debug?: boolean
  /**
   * Callback function to get initial session (e.g., from OAuth callback in URL).
   * Called by OAuth2Client.initialize() if set.
   * The callback should handle URL detection, OAuth verification, and return credentials.
   * Returns { data: { session: Credentials, user?: any }, error: null } on success,
   * or { data: null, error: Error } on failure.
   */
  getInitialSession?: () => Promise<{
    data: { session: Credentials; user?: any } | null
    error: Error | null
  }>
  /**
   * Callback invoked after initial session is obtained and stored.
   * Used to let upper layer (e.g., packages/auth) handle user info storage.
   * Called with session and user data.
   */
  onInitialSessionObtained?: (data: { session: Credentials; user?: any }) => void | Promise<void>
}