import { NativeModules } from 'react-native';
import type { Errors, StreamingJoinStatus } from '../native/ZoomVideoSdk';

const { RNZoomVideoSdkBroadcastStreamingViewer } = NativeModules;

/**
 * Streaming join context.
 * Token + channelID are obtained out-of-band from the broadcaster.
 */
export type StreamingJoinContext = {
  token: string;
  channelID: string;
};

/**
 * Broadcast streaming viewer (audience side).
 *
 * Lets a user OUTSIDE any session join an active broadcast and receive
 * live media from the broadcaster. Joins do NOT require an active
 * Video SDK session.
 *
 * Status updates arrive via EventType.onStreamingJoinStatusChanged.
 *
 * Note: raw video / audio subscription (subscribeVideo / subscribeAudio
 * on the native helper) is NOT exposed in this wrapper version.
 */
export type ZoomVideoSdkBroadcastStreamingViewerType = {
  /**
   * Joins broadcast streaming asynchronously.
   * Result arrives via EventType.onStreamingJoinStatusChanged.
   */
  joinStreaming: (ctx: StreamingJoinContext) => Promise<Errors>;

  /**
   * Leaves broadcast streaming asynchronously.
   * Result arrives via EventType.onStreamingJoinStatusChanged.
   */
  leaveStreaming: () => Promise<Errors>;

  /**
   * Returns the current streaming join status.
   */
  getStreamingJoinStatus: () => Promise<StreamingJoinStatus>;
};

export class ZoomVideoSdkBroadcastStreamingViewer
  implements ZoomVideoSdkBroadcastStreamingViewerType
{
  async joinStreaming(ctx: StreamingJoinContext) {
    return await RNZoomVideoSdkBroadcastStreamingViewer.joinStreaming(ctx);
  }

  async leaveStreaming() {
    return await RNZoomVideoSdkBroadcastStreamingViewer.leaveStreaming();
  }

  async getStreamingJoinStatus() {
    return await RNZoomVideoSdkBroadcastStreamingViewer.getStreamingJoinStatus();
  }
}