using Game.Component.Map;
using UnityEngine;

namespace Game.Component.FsmMonoData
{
    public class WalkPathGroup : MonoBehaviour
    {
        [SerializeField] private MovePathGroup PathGroup;
        
        private int _curIndex;
        
        public Vector2 CurTarget { get; private set; }

        public void InitTarget (Vector2 actorPos)
        {
            //根据角色当前位置，寻找最近的节点
            _curIndex = 0;
            CurTarget = this.PathGroup.PathList[0].position;
            for (int i = 1; i < this.PathGroup.PathList.Count; i++)
            {
                if (Vector2.Distance (actorPos , this.PathGroup.PathList[i].position) < Vector2.Distance (actorPos , CurTarget))
                {
                    _curIndex = i;
                    CurTarget = this.PathGroup.PathList[i].position;
                }
            }
        }

        public bool CheckNextNode (Vector2 actorPos)
        {
            if (Vector2.Distance (actorPos , CurTarget) < 0.1f)
            {
                NextNode ();
                return true;
            }
            return false;
        }

        private void NextNode ()
        {
            _curIndex++;
            if (this._curIndex >=  this.PathGroup.PathList.Count)
            {
                _curIndex = 0;
            }
            CurTarget = this.PathGroup.PathList[_curIndex].position;
        }
    }
}