using System.Linq;
using BehaviorDesigner.Runtime.Tasks;

using UnityEngine;

namespace CoreGame.Render
{
    /// <summary>
    /// 将召唤者设置为导航目标
    /// </summary>
    public class MoveToCaster : Action
    {
        [SerializeField] private float distance;

        private CombatEntity m_OwnerEnt;
        private CombatEntity caster;
        private Vector2 m_TargetPos;
        public override void OnStart()
        {
            m_OwnerEnt = Owner.GetEntity<CombatEntity>();
            caster = TargetSelectSrv.GetCaster(m_OwnerEnt);
        }

        public override TaskStatus OnUpdate()
        {
            var speed = m_OwnerEnt.property.MoveSpeed;
            var navProxy = m_OwnerEnt.navAgentProxy;
            m_TargetPos = caster.transformProxy.position;

            navProxy.SetDestination(m_TargetPos, speed, 0.01f);

            // if ((m_OwnerEnt.transformProxy.position - m_TargetPos).sqrMagnitude < 1.1f)
            if ((m_TargetPos - m_OwnerEnt.transformProxy.position).sqrMagnitude < distance * distance)
            {
                return TaskStatus.Success;
            }
            return TaskStatus.Running;
        }
    }


}