import { UIManager } from 'react-native';

/**
 * Check whether a native Cast view manager is registered.
 * Returns false if the Cast SDK is not linked (optional dependency).
 *
 * Does NOT permanently cache failures — transient errors (e.g. bridge not
 * yet ready) are retried on next call. Only a confirmed `true` is cached,
 * since a view manager won't disappear once registered.
 */
const _confirmed = new Map<string, boolean>();

export function isCastViewAvailable(componentName: string): boolean {
  if (_confirmed.get(componentName)) return true;
  try {
    const available =
      UIManager.hasViewManagerConfig?.(componentName) ??
      ('getViewManagerConfig' in UIManager &&
        !!UIManager.getViewManagerConfig(componentName));
    if (available) _confirmed.set(componentName, true);
    return available;
  } catch {
    if (__DEV__) {
      console.warn(
        `[${componentName}] Native view manager not found — Cast SDK may not be linked.`
      );
    }
    return false;
  }
}