using System.Collections;
using Convention;
using UnityEngine;

namespace Demo.Game
{
    public abstract class IJudgementHookObject : ScriptableObject, IHookInteraction
    {

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

        public abstract void OnJudgement(IInteraction.JudgementLevel level);

        protected override IEnumerator DoSomethingDuringApplyScript()
        {
            yield return base.DoSomethingDuringApplyScript();
            MyInteractionModule.JudgementEvent.AddListener(OnJudgement);
        }

        /// <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(string path)
        {
            MyInteractionModule = FindWithPath(path) as IInteraction;
        }

        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
            MyInteractionModule.JudgementEvent.RemoveListener(OnJudgement);
            MyInteractionModule = null;
            yield return base.UnloadScript();
        }
    }
}