import { Smartenv } from '@push.rocks/smartenv';
import type { IWatcher, IWatcherOptions, IWatchEvent, TWatchEventType } from './interfaces.js';

export type { IWatcher, IWatcherOptions, IWatchEvent, TWatchEventType };

/**
 * Creates a platform-appropriate file watcher based on the current runtime
 * Uses @push.rocks/smartenv for runtime detection
 */
export async function createWatcher(options: IWatcherOptions): Promise<IWatcher> {
  const env = new Smartenv();

  if (env.isDeno) {
    // Deno runtime - use Deno.watchFs
    const { DenoWatcher } = await import('./watcher.deno.js');
    return new DenoWatcher(options);
  } else {
    // Node.js or Bun - both use fs.watch (Bun has Node.js compatibility)
    const { NodeWatcher } = await import('./watcher.node.js');
    return new NodeWatcher(options);
  }
}

/**
 * Default watcher options
 */
export const defaultWatcherOptions: IWatcherOptions = {
  basePaths: [],
  depth: 4,
  followSymlinks: false,
  stabilityThreshold: 300,
  pollInterval: 100
};