using System;
using System.Collections.Generic;
using System.Numerics;
using Sirenix.OdinInspector;
using UnityEngine;

namespace AlicizaX.AnimationFlow.Runtime
{
    public enum EState
    {
        None,
        Enter,
        Running,
        Exit,
    }


    [System.Serializable]
    public class EntryNode : ActionNode
    {
        [LabelText("循环次数")] public int LoopCount = 1; // 控制流程循环的次数
        [LabelText("入口名称")] public string Name; // 节点名称（可以是技能名称、关卡名称等）
    }

    [System.Serializable]
    public abstract partial class ActionNode
    {
        [HideInInspector] public float elapsedTime;

        [HideInInspector] [SerializeReference] [SerializeField]
        public List<ActionNode> Childs = new List<ActionNode>(); // 邻接节点（图中的边）

        [HideInInspector] public EState State;


        /// <summary>
        /// 该类型是否允许接受输入口
        /// </summary>
        /// <returns></returns>
        public virtual bool HasInputPort()
        {
            return true;
        }

        /// <summary>
        /// 是否有多输入口
        /// </summary>
        /// <returns></returns>
        public virtual bool MultiInputPort()
        {
            return true;
        }

        /// <summary>
        /// 是否有输出口
        /// </summary>
        /// <returns></returns>
        public virtual bool HasOutPort()
        {
            return true;
        }

        /// <summary>
        /// 是否有多输出口
        /// </summary>
        /// <returns></returns>
        public virtual bool MultiOutPort()
        {
            return true;
        }

        /// <summary>
        /// 持续时间
        /// </summary>
        /// <returns></returns>
        public virtual float Duration()
        {
            return 0;
        }

        /// <summary>
        /// 前置条件 如果满足 则进入下一分支
        /// </summary>
        /// <returns></returns>
        public virtual bool Condition()
        {
            return elapsedTime >= Duration();
        }

        public virtual bool HasSubTitle()
        {
            return false;
        }

        public virtual string SubTitle()
        {
            return null;
        }

        /// <summary>
        /// 效验通过 编辑器使用
        /// </summary>
        /// <returns></returns>
        public virtual bool Valid()
        {
            return true;
        }


        public virtual void OnInit()
        {
        }

        public virtual void OnEnter()
        {
        }

        public virtual void OnExit()
        {
        }

        public virtual void OnUpdate(float dt)
        {
        }


        public virtual void OnInterrupt()
        {
        }

        public virtual void OnReset()
        {
        }

        public void Reset()
        {
            elapsedTime = 0;
            State = EState.None;
        }
    }
}