using System.Collections.Generic;
using Animancer;
using DG.Tweening;
using UnityEditor.UI;
using UnityEngine;

namespace ET
{
    [FriendClass(typeof(BattleUnitViewComponent))]
    public static class BattleActionSegmentHelper
    {
        public static Tweener CreateAttackerToTargetTweener(BattleUnitViewComponent source, BattleUnitViewComponent target, float time)
        {
            Vector3 targetPos = target.DisplayGameObject.transform.position;
            if (source.Left)
            {
                targetPos += new Vector3(-1, 0, 0);
            }
            else
            {
                targetPos += new Vector3(1, 0, 0);
            }
            
            return source.DisplayGameObject.transform.DOMove(targetPos, time);
        }
        
        public static Tweener CreateInterveneToTargetTweener(BattleUnitViewComponent source, BattleUnitViewComponent target, float time)
        {
            Vector3 targetPos = target.DisplayGameObject.transform.position;
            if (source.Left)
            {
                targetPos += new Vector3(0.5f, 0, 0);
            }
            else
            {
                targetPos += new Vector3(-0.5f, 0, 0);
            }
            
            return source.DisplayGameObject.transform.DOMove(targetPos, time);
        }

        public static Tweener CreateMoveBackTweener(BattleUnitViewComponent source, float time)
        {
            var battleSceneView = source.ZoneScene().CurrentScene().GetComponent<BattleSceneViewComponent>();
            var pos = battleSceneView.GetUnitPosByIndex(source.Index, source.Left);
            
            
            return source.DisplayGameObject.transform.DOMove(pos, time).OnComplete(() =>
            {
                source.AnimancerComp.TryPlay(BattleAnimName.Idle);
            });
        }

        public static Animancer.AnimancerState PlayAnim(BattleUnitViewComponent source, BattleUnitViewComponent target, string animName)
        {
            var state = source.AnimancerComp.TryPlay(animName);
            
            return state;
        }

        public static (Animancer.AnimancerState, float) PlayAttackAnim(BattleUnitViewComponent source, BattleUnitViewComponent target, List<HurtInfoView> hurtInfoViews, string animName)
        {
            var state = source.AnimancerComp.TryPlay(animName);
            float time = state.Duration;
            if (state.Clip.events.Length > 0)
            {
                source.SEventReceiver.OnEvent.Set(state, (animationEvent) =>
                {
                    // Log.Error(animationEvent.functionName + "|" + animationEvent.stringParameter);
                    if (animationEvent.stringParameter.Equals("BeHit"))
                    {
                        foreach (var hurtInfotView in hurtInfoViews)
                        {
                            var hurtTarget = hurtInfotView.Target;
                            hurtTarget.BeHit();
                        }
                        SoundComponent.Instance.PlayClip("hit");
                    }

                    if (animationEvent.stringParameter.Equals("ShowHurt"))
                    {
                        foreach (var hurtInfotView in hurtInfoViews)
                        {
                            var hurtTarget = hurtInfotView.Target;
                            EmitManager.inst.Emit(hurtTarget.DisplayGameObject.transform, 1, hurtInfotView.DamageValue, hurtInfotView.IsCritical);
                        }
                    }

                    if (animationEvent.stringParameter.Equals("Projectile"))
                    {
                        
                        var prefab = YooAssetComponent.Instance.LoadAssetSync<GameObject>("staff");
                        
                        GameObject bullet = Util.GameObjectPoolHelper.SpawnGameObject(prefab);
                        YooAssetComponent.Instance.Release(prefab);
                        
                        bullet.transform.position = source.ThrowPoint.position;
                        bullet.transform.DOMove(target.DisplayGameObject.transform.position, 0.5f).OnComplete(() =>
                        {
                            Util.GameObjectPoolHelper.ReturnObjectToPool(bullet);
                            foreach (var hurtInfotView in hurtInfoViews)
                            {
                                var hurtTarget = hurtInfotView.Target;
                                hurtTarget.BeHit();
                                EmitManager.inst.Emit(hurtTarget.DisplayGameObject.transform, 1, hurtInfotView.DamageValue, hurtInfotView.IsCritical);
                            }
                            SoundComponent.Instance.PlayClip("hit");
                        });
                    }
                });

                foreach (AnimationEvent animationEvent in state.Clip.events)
                {
                    if (animationEvent.stringParameter.Equals("Projectile"))
                    {
                        time = animationEvent.time + 0.6f;
                    }
                }
            }

            // state.Events.OnEnd = () =>
            // {
            //     source.AnimancerComp.TryPlay(BattleAnimName.Idle);
            // };

            state.Events.endEvent = new AnimancerEvent(1, () =>
            {
                source.AnimancerComp.TryPlay(BattleAnimName.Idle);
            });

            return (state, time);
        }
    }
}