import 'package:flutter/services.dart';
import 'package:audioplayers/audioplayers.dart';
import 'package:vibration/vibration.dart';
import 'package:flutter/foundation.dart' show kIsWeb, debugPrint;

class AppFeedback {
  static final AudioPlayer _player = AudioPlayer();

  /// Play a sound from assets/sounds/
  static Future<void> playSound(String fileName) async {
    try {
      // AudioPlayer play from assets/sounds/fileName
      await _player.play(AssetSource('sounds/$fileName'));
    } catch (e) {
      // Web might throw security exception if player triggers before user interaction
      // or other runtime issues. Catching prevents app crashes.
      debugPrint('Audio playback error for $fileName: $e');
    }
  }

  /// Light haptic feedback + subtle click sound
  static void click() {
    HapticFeedback.lightImpact();
    playSound('click.mp3');
  }

  /// Medium haptic + selection sound
  static void select() {
    HapticFeedback.mediumImpact();
    playSound('select.mp3');
  }

  /// Celebration sound + strong haptic vibration
  static void success() {
    HapticFeedback.heavyImpact();
    playSound('success.mp3');
  }

  /// Wrong input -> error haptic (double vibrate) + error sound
  static void error() {
    _doubleVibrate();
    playSound('error.mp3');
  }

  /// Light haptic feedback (e.g. chip selections)
  static void lightHaptic() {
    HapticFeedback.lightImpact();
  }

  /// Medium haptic feedback
  static void mediumHaptic() {
    HapticFeedback.mediumImpact();
  }

  /// Heavy haptic feedback
  static void heavyHaptic() {
    HapticFeedback.heavyImpact();
  }

  /// Subtle haptic feedback (e.g. screen navigation)
  static void subtleHaptic() {
    HapticFeedback.selectionClick();
  }

  /// Double vibrate pattern using vibration package
  static Future<void> _doubleVibrate() async {
    try {
      if (!kIsWeb && await Vibration.hasVibrator() == true) {
        // Double vibrate pattern: wait 0, vibrate 100ms, wait 100ms, vibrate 100ms
        Vibration.vibrate(pattern: [0, 100, 100, 100]);
      } else {
        // Fallback to native HapticFeedback
        HapticFeedback.mediumImpact();
      }
    } catch (e) {
      HapticFeedback.mediumImpact();
    }
  }
}