import 'package:audioplayers/audioplayers.dart';
import 'package:flutter/foundation.dart';
import 'package:yumi/shared/data_sources/sources/local/data_persistence.dart';

class SCLuckyGiftWinSoundPlayer {
  static const String assetPath =
      "sc_images/room/anim/luck_gift/lucky_gift_win.mp3";
  static const Duration _sameEventDedupeWindow = Duration(seconds: 3);

  static final AudioPlayer _player = AudioPlayer();
  static String? _lastEventKey;
  static DateTime? _lastPlayedAt;

  static String buildEventKey({
    String? giftId,
    String? userId,
    String? toUserId,
    num? awardAmount,
  }) {
    return [
      (giftId ?? '').trim(),
      (userId ?? '').trim(),
      (toUserId ?? '').trim(),
      _formatNum(awardAmount),
    ].join('|');
  }

  static Future<void> play({String? eventKey}) async {
    if (DataPersistence.getPlayGiftMusic()) {
      return;
    }

    final normalizedEventKey = (eventKey ?? '').trim();
    final now = DateTime.now();
    final lastPlayedAt = _lastPlayedAt;
    if (normalizedEventKey.isNotEmpty &&
        normalizedEventKey == _lastEventKey &&
        lastPlayedAt != null &&
        now.difference(lastPlayedAt) < _sameEventDedupeWindow) {
      return;
    }

    _lastEventKey = normalizedEventKey.isEmpty ? null : normalizedEventKey;
    _lastPlayedAt = now;
    try {
      await _player.stop();
      await _player.play(AssetSource(assetPath));
    } catch (error) {
      debugPrint('播放幸运礼物中奖音效失败: $error');
    }
  }

  static String _formatNum(num? value) {
    if (value == null) {
      return '';
    }
    if (value % 1 == 0) {
      return value.toInt().toString();
    }
    return value.toString();
  }
}