using BehaviorDesigner.Runtime;
using BehaviorDesigner.Runtime.Tasks;
using UnityEngine;
using UnityEngine.AI;

// ReSharper disable once CheckNamespace
namespace BlueWaterProject
{
    [TaskCategory("Custom/NpcAction")]
    public class SetUsuallyPointsAi : Action
    {
        public SharedTransformList usuallyPoints;
        private NavMeshAgent agent;
        private int destPoint;
        private Vector3 lastPosition;
        private Vector3 localScale;

        public override void OnAwake()
        {
            agent = GetComponent<NavMeshAgent>();
            agent.updateRotation = false;
            localScale = transform.localScale;
            lastPosition = transform.position;
            GoToNextPoint();
        }
        
        private void GoToNextPoint()
        {
            if (usuallyPoints.Value.Count == 0)
                return;

            destPoint = Random.Range(0, usuallyPoints.Value.Count);
            agent.destination = usuallyPoints.Value[destPoint].position;
        }

        public override TaskStatus OnUpdate()
        {
            // 현재 이동 방향 계산
            var moveDirection = transform.position - lastPosition;

            if (moveDirection.x < 0)
            {
                // 왼쪽으로 이동
                localScale.x = Mathf.Abs(localScale.x) * -1;
            }
            else if (moveDirection.x > 0)
            {
                // 오른쪽으로 이동
                localScale.x = Mathf.Abs(localScale.x);
            }

            // Scale 업데이트
            transform.localScale = localScale;

            // 마지막 위치 업데이트
            lastPosition = transform.position;

            if (!agent.pathPending && agent.remainingDistance < 2f)
            {
                GoToNextPoint();
            }

            return TaskStatus.Running;
        }
    }
}