import type { CacheConfig } from '../specs/types.nitro';
import type { MediaPlugin } from './MediaPlugin';

/**
 * Enable the disk cache for media segments (HLS/DASH) or progressive files.
 * Caching is opt-in: without this plugin (or player.setCacheEnabled(true))
 * loads bypass the cache entirely.
 *
 * @example `CachePlugin({ maxSizeBytes: 500 * 1024 * 1024 })`
 */
export function CachePlugin(config: CacheConfig): MediaPlugin {
  return {
    name: 'cache',
    setup({ engine }): void {
      engine.setCacheEnabled(true);
      if (config.maxSizeBytes !== undefined) {
        engine.setCacheMaxSize(config.maxSizeBytes);
      }
    },
    teardown(): void {},
  };
}