using System;
using System.Collections;
using Convention;
using UnityEngine;

namespace Demo.Game
{
    public abstract class IEffectHookObject : ScriptableObject, IHookInteraction
    {
        public enum InteractiveEffectType
        {
            VisibleDuration = 3,
            InteractiveDuration = 2,
            InteractableScoreInterval = 1,
            InteractableIntervalThatCanScoreBest = 0
        }

        [Content, SerializeField] private IInteraction m_MyInteractionModule;
        [Content, SerializeField] private InteractiveEffectType MyInteractiveLevel = default;

        private IInteraction MyInteractionModule
        {
            get
            {
                if (m_MyInteractionModule == null)
                    m_MyInteractionModule = Parent.GetComponent<IInteraction>();
                return m_MyInteractionModule;
            }
            set
            {
                m_MyInteractionModule = value;
            }
        }

        public abstract void OnInit();
        public abstract void OnBegin();
        public abstract void OnEnd();

        protected override IEnumerator DoSomethingDuringApplyScript()
        {
            yield return base.DoSomethingDuringApplyScript();
            switch (MyInteractiveLevel)
            {
                case InteractiveEffectType.VisibleDuration:
                    {
                        MyInteractionModule.VisibleDurationBeforeEvent.AddListener(OnInit);
                        MyInteractionModule.VisibleDurationBeginEvent.AddListener(OnBegin);
                        MyInteractionModule.VisibleDurationEndEvent.AddListener(OnEnd);
                    }
                    break;
                case InteractiveEffectType.InteractiveDuration:
                    {
                        MyInteractionModule.InteractiveDurationBeforeEvent.AddListener(OnInit);
                        MyInteractionModule.InteractiveDurationBeginEvent.AddListener(OnBegin);
                        MyInteractionModule.InteractiveDurationEndEvent.AddListener(OnEnd);
                    }
                    break;
                case InteractiveEffectType.InteractableScoreInterval:
                    {
                        MyInteractionModule.InteractableScoreIntervalBeforeEvent.AddListener(OnInit);
                        MyInteractionModule.InteractableScoreIntervalBeginEvent.AddListener(OnBegin);
                        MyInteractionModule.InteractableScoreIntervalEndEvent.AddListener(OnEnd);
                    }
                    break;
                case InteractiveEffectType.InteractableIntervalThatCanScoreBest:
                    {
                        MyInteractionModule.InteractableIntervalThatCanScoreBestBeforeEvent.AddListener(OnInit);
                        MyInteractionModule.InteractableIntervalThatCanScoreBestBeginEvent.AddListener(OnBegin);
                        MyInteractionModule.InteractableIntervalThatCanScoreBestEndEvent.AddListener(OnEnd);
                    }
                    break;
            }
        }

        public override IEnumerator UnloadScript()
        {
            // 如果是父物体那么在此处执行前就会重新生成对应的event
            // 但通过绑定得到的其他物体并不能保证顺序关系
            // 因此此处仍需要对象自行清理
            switch (MyInteractiveLevel)
            {
                case InteractiveEffectType.VisibleDuration:
                    {
                        MyInteractionModule.VisibleDurationBeforeEvent.RemoveListener(OnInit);
                        MyInteractionModule.VisibleDurationBeginEvent.RemoveListener(OnBegin);
                        MyInteractionModule.VisibleDurationEndEvent.RemoveListener(OnEnd);
                    }
                    break;
                case InteractiveEffectType.InteractiveDuration:
                    {
                        MyInteractionModule.InteractiveDurationBeforeEvent.RemoveListener(OnInit);
                        MyInteractionModule.InteractiveDurationBeginEvent.RemoveListener(OnBegin);
                        MyInteractionModule.InteractiveDurationEndEvent.RemoveListener(OnEnd);
                    }
                    break;
                case InteractiveEffectType.InteractableScoreInterval:
                    {
                        MyInteractionModule.InteractableScoreIntervalBeforeEvent.RemoveListener(OnInit);
                        MyInteractionModule.InteractableScoreIntervalBeginEvent.RemoveListener(OnBegin);
                        MyInteractionModule.InteractableScoreIntervalEndEvent.RemoveListener(OnEnd);
                    }
                    break;
                case InteractiveEffectType.InteractableIntervalThatCanScoreBest:
                    {
                        MyInteractionModule.InteractableIntervalThatCanScoreBestBeforeEvent.RemoveListener(OnInit);
                        MyInteractionModule.InteractableIntervalThatCanScoreBestBeginEvent.RemoveListener(OnBegin);
                        MyInteractionModule.InteractableIntervalThatCanScoreBestEndEvent.RemoveListener(OnEnd);
                    }
                    break;
            }
            yield return base.UnloadScript();
        }

        /// <summary>
        /// 绑定IInteraction对象，若不手动绑定则会自动绑定到父物体的IInteraction
        /// </summary>
        /// <param name="path"></param>
        [Convention.RScript.Variable.Attr.Method]
        public void Bind(IInteraction target)
        {
            MyInteractionModule = target;
        }

        /// <summary>
        /// 设置监听状态，当目标进入指定监听的状态时触发启动事件，退出时触发结束事件
        /// </summary>
        /// <param name="type">VisibleDuration，InteractiveDuration，InteractableScoreInterval，InteractableIntervalThatCanScoreBest</param>
        [Convention.RScript.Variable.Attr.Method]
        public void SetInteractiveEffectType(InteractiveEffectType type)
        {
            MyInteractiveLevel = type;
        }
    }
}