using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using DG.Tweening;
using Zenject;
using UltraFace;
using Cysharp.Threading.Tasks;
using System.Threading;
using Random = UnityEngine.Random;

public class AnimationHandler : MonoBehaviour
{
    [SerializeField] private Transform _mirror;
    [SerializeField] private Transform _sberPrimeLogo;
    [SerializeField] private ParticleSystem _sberEffect;
    private Vector3 _sberScale, _sberPosition;

    [SerializeField] private List<Transform> _firstGroup = new List<Transform>();
    [SerializeField] private List<Transform> _secondGroup = new List<Transform>();
    [SerializeField] private List<Transform> _thirdGroup = new List<Transform>();

    [SerializeField] private List<Transform> _objects = new List<Transform>();
    [SerializeField] private List<ParticleSystem> _effects = new List<ParticleSystem>();
    [Inject] private Visualizer _visualizer;

    private Dictionary<string, Vector3> _scales;
    private Dictionary<string, Vector3> _positions;
    private Dictionary<string, ParticleSystem> _effectDict;
    private Dictionary<string, Quaternion> _rotations;
    private Vector3 _baseScale;

    private List<Tween> _animations = new List<Tween>();

    private static CancellationTokenSource _cts = new CancellationTokenSource();
    private CancellationToken _ct = _cts.Token;

    public event Action OnAnimationEnded;

    private void Start()
    {
        _sberScale = _sberPrimeLogo.localScale;

        _sberPrimeLogo.DOLocalMoveY(_sberPrimeLogo.localPosition.y - .25f, 2.5f)
                .SetEase(Ease.InOutSine)
                .SetLoops(-1, LoopType.Yoyo);
        
        _sberPrimeLogo.localScale = Vector3.zero;

        var sberEffectEmission = _sberEffect.emission;
        sberEffectEmission.enabled = false;
        
        _scales = new Dictionary<string, Vector3>();
        _positions = new Dictionary<string, Vector3>();
        _effectDict = new Dictionary<string, ParticleSystem>();
        _rotations = new Dictionary<string, Quaternion>();

        _visualizer.OnDetectionStatusChanged += isDetected => OnFaceDetected(isDetected).Forget();

        foreach(var item in _objects)
        {
            int index = _objects.IndexOf(item);

            _scales.Add(item.name, item.localScale);
            item.DOScale(Vector3.zero, 0);

            _positions.Add(item.name, item.position);
            item.localPosition = Vector3.zero;

            _rotations.Add(item.name, item.rotation);
        }

        for(int i = 0; i < _objects.Count; i++)
            _effectDict.Add(_objects[i].name, _effects[i]);
        
        foreach(var effect in _effects)
        {
            var emission = effect.emission;
            emission.enabled = false;
        }
    }
    
    private async UniTaskVoid OnFaceDetected(bool isDetected)
    {
        if(isDetected)
        {
            await UniTask.Delay(300, false, PlayerLoopTiming.Update, _ct);

            _sberPrimeLogo.DOScale(_sberScale, .2f);
            var sberEmission = _sberEffect.emission;
            sberEmission.enabled = true;

            foreach(var effect in _effects)
            {
                var emission = effect.emission;
                emission.enabled = true;
            }

            await PlayGroupAnimation(_firstGroup);
            await UniTask.Delay(50, false, PlayerLoopTiming.Update, _ct);
            await PlayGroupAnimation(_secondGroup);
            await UniTask.Delay(50, false, PlayerLoopTiming.Update, _ct);
            await PlayGroupAnimation(_thirdGroup);

            OnAnimationEnded?.Invoke();

            foreach(var effect in _effects)
            {
                var emission = effect.emission;
                emission.enabled = false;
            }

            sberEmission.enabled = false;
        }
        else
        {
            _cts.Cancel();
            _cts = new CancellationTokenSource();
            _ct = _cts.Token;

            foreach(var tween in _animations)
                tween.Kill();
            _animations = new List<Tween>();

            foreach(var item in _objects)
            {
                item.DOScale(0, .2f)
                    .OnComplete(()=>
                    {
                        item.DOLocalMove(Vector3.zero, 0);
                    });
            }

            _sberPrimeLogo.DOScale(Vector3.zero, .2f);
            var sberEmission = _sberEffect.emission;
            sberEmission.enabled = false;
        }

#region old animation
        // if(isDetected)
        // {
        //     foreach(var tween in _rotationAnimations)
        //         tween.Kill();
            
        //     _rotationAnimations = new List<Tween>();

        //     foreach(var item in _objects)
        //     {
        //         int index = _objects.IndexOf(item);

        //         item.DOLocalRotate(Vector3.up * 360 * 2, Random.Range(1f, 2f))
        //             .SetRelative()
        //             .SetEase(Ease.InOutSine)
        //             .OnComplete(() =>
        //             {
        //                 _rotationAnimations.Add(item.DOLocalRotate(new Vector3(0, index % 2 == 0 ? 360f : 0, 0), Random.Range(10f, 14f))
        //                     .SetLoops(-1, LoopType.Yoyo)
        //                     .SetRelative()
        //                     .SetEase(Ease.InOutSine));
        //             });
        
        //         item.DOScale(_scales[item.name], 1f)
        //             .OnComplete(async () =>
        //             {
        //                 var emission = _effectDict[item.name].emission;
        //                 emission.enabled = true;

        //                 await UniTask.Delay(1500);

        //                 emission.enabled = false;
        //             });
        //     }
        // }
        // else
        // {
        //     foreach(var effect in _effects)
        //     {
        //         var emission = effect.emission;
        //         emission.enabled = false;
        //     }

        //     foreach(var item in _objects)
        //         item.DOScale(Vector3.zero, .2f);
        // }
#endregion

    }

    private async UniTask PlayGroupAnimation(List<Transform> group)
    {
        foreach(var item in group)
        {
            item.rotation = _rotations[item.name];

            item.DOScale(_scales[item.name], .9f);
            item.DOMove(_positions[item.name], .7f)
                .SetEase(Ease.OutQuad)
                .OnComplete(() =>
                {
                    bool isRight = item.transform.position.x - _mirror.position.x > 0;
                    bool isBehind = item.transform.position.z > _mirror.position.z;

                    int dir = isRight ? -1 : 1;

                    _animations.Add(item.DOLocalMoveY(item.localPosition.y + .5f, Random.Range(2f, 5f))
                        .SetEase(Ease.InOutSine)
                        .SetLoops(-1, LoopType.Yoyo));
                    
                    _animations.Add(
                        item.DOLocalRotate(new Vector3(0, 45, 0), Random.Range(10f, 14f))
                            .SetLoops(-1, LoopType.Yoyo)
                            .SetRelative()
                            .SetEase(Ease.InOutSine));
                        
                    if(!isBehind)
                    {
                        _animations.Add(
                            item.DOLocalMoveZ(-1f, Random.Range(3f, 5f))
                                .SetRelative()
                                .SetLoops(-1, LoopType.Yoyo)
                                .SetEase(Ease.InOutSine));
                    }

                    _animations.Add(
                        item.DOLocalMoveX(isBehind ? .6f * dir : .2f * dir, Random.Range(3f, 5f))
                            .SetRelative()
                            .SetLoops(-1, LoopType.Yoyo)
                            .SetEase(Ease.InOutSine));
                });
            
            await UniTask.Delay(200, false, PlayerLoopTiming.Update, _ct);
        }

        Debug.Log("конец группы");
    }
}