import { DeepgramClientOptions, IKeyFactory } from "./lib/types/DeepgramClientOptions";
import { DeepgramVersionError } from "./lib/errors";
import DeepgramClient from "./DeepgramClient";

/**
 * This class is deprecated and should not be used. It throws a `DeepgramVersionError` when instantiated.
 *
 * @deprecated
 * @see https://dpgr.am/js-v3
 */
class Deepgram {
  constructor(protected apiKey: string, protected apiUrl?: string, protected requireSSL?: boolean) {
    throw new DeepgramVersionError();
  }
}

/**
 * Creates a new Deepgram client instance.
 *
 * @param {DeepgramClientArgs} args - Arguments to pass to the Deepgram client constructor.
 * @returns A new Deepgram client instance.
 */
function createClient(): DeepgramClient;
function createClient(key?: string | IKeyFactory): DeepgramClient;
function createClient(options?: DeepgramClientOptions): DeepgramClient;
function createClient(key?: string | IKeyFactory, options?: DeepgramClientOptions): DeepgramClient;
function createClient(
  keyOrOptions?: string | IKeyFactory | DeepgramClientOptions,
  options?: DeepgramClientOptions
): DeepgramClient {
  let resolvedOptions: DeepgramClientOptions = {};

  if (typeof keyOrOptions === "string" || typeof keyOrOptions === "function") {
    if (typeof options === "object") {
      resolvedOptions = options;
    }

    resolvedOptions.key = keyOrOptions;
  } else if (typeof keyOrOptions === "object") {
    resolvedOptions = keyOrOptions;
  }

  return new DeepgramClient(resolvedOptions);
}

export { createClient, DeepgramClient, Deepgram };

/**
 * Helpful exports.
 */
export * from "./packages";
export * from "./lib/types";
export * from "./lib/enums";
export * from "./lib/constants";
export * from "./lib/errors";
export * from "./lib/helpers";

/**
 * Captions. These will be tree-shaken if unused.
 *
 * @see https://github.com/deepgram/deepgram-node-captions
 *
 * import/export declarations don't do anything but set up an alias to the
 * exported variable, they do not count as a "use". Given their semantics,
 * they are tracked specially by any bundler and will not adversely affect
 * tree-shaking.
 */
export { webvtt, srt } from "@deepgram/captions";