frontend/src/polyfills.ts

import { Platform } from 'react-native';

// Register WebRTC globals for LiveKit (native only — web has built-in WebRTC)
if (Platform.OS !== 'web') {
  // Use @livekit/react-native's registerGlobals which sets up:
  // - WebRTC native modules (via @livekit/react-native-webrtc)
  // - iOS audio session management
  // - LiveKitReactNativeGlobal (so livekit-client detects RN environment)
  // - RN-specific polyfills (Promise.allSettled, webstreams, crypto, etc.)
  const { registerGlobals } = require('@livekit/react-native');
  registerGlobals();
}

if (typeof globalThis.Event === 'undefined') {
  (globalThis as any).Event = class Event {
    type: string;
    bubbles: boolean;
    cancelable: boolean;
    defaultPrevented: boolean;
    target: any;
    currentTarget: any;
    constructor(type: string, opts?: { bubbles?: boolean; cancelable?: boolean }) {
      this.type = type;
      this.bubbles = opts?.bubbles ?? false;
      this.cancelable = opts?.cancelable ?? false;
      this.defaultPrevented = false;
      this.target = null;
      this.currentTarget = null;
    }
    preventDefault() { this.defaultPrevented = true; }
    stopPropagation() {}
    stopImmediatePropagation() {}
  };
}

if (typeof globalThis.DOMException === 'undefined') {
  (globalThis as any).DOMException = class DOMException extends Error {
    constructor(message?: string, name?: string) {
      super(message);
      this.name = name || 'DOMException';
    }
  };
}