import 'dart:collection';

import 'package:flutter/cupertino.dart';

import 'package:aslan/chatvibe_ui/widgets/room/anim/l_gift_animal_view.dart';

class GiftAnimationManager extends ChangeNotifier {
  Queue<LGiftModel> gifts = Queue<LGiftModel>();
  List<LGiftScrollingScreenAnimsBean> aninControllers = [];

  //每个控件正在播放的动画
  Map<int, LGiftModel?> giftMap = {0: null, 1: null, 2: null, 3: null};

  void addGift(LGiftModel giftModel) {
    gifts.add(giftModel);
    playNext();
  }

  ///开始播放
  playNext() {
    if (gifts.isEmpty) {
      return;
    }
    var playGift = gifts.first;
    for (var key in giftMap.keys) {
      var value = giftMap[key];
      if (value == null) {
        giftMap[key] = playGift;
        gifts.removeFirst();
        notifyListeners();
        aninControllers[key].controller.forward(from: 0);
        break;
      } else {
        if (value.labelId == playGift.labelId) {
          playGift.giftCount = value.giftCount + playGift.giftCount;
          giftMap[key] = playGift;
          gifts.removeFirst();
          notifyListeners();
          aninControllers[key].controller.forward(from: 0.45);
          break;
        }
      }
    }
  }

  void bindController(List<LGiftScrollingScreenAnimsBean> anins) {
    aninControllers = anins;
  }

  void disposeAnim() {
    gifts.clear();
    giftMap[0] = null;
    giftMap[1] = null;
    giftMap[2] = null;
    giftMap[3] = null;
    for (var element in aninControllers) {
      element.controller.dispose();
    }
  }

  void animCompleted(int index) {
    giftMap[index] = null;
    notifyListeners();
    playNext();
  }
}