using UnityEngine;
using UnityEngine.AI;
using System.Collections;
using static UnityEngine.GraphicsBuffer;

public class AI : MonoBehaviour
{
    [SerializeField] private NavMeshAgent agent;
    [SerializeField] private int waittime;
    [SerializeField] public Transform[] targets;
    private int currentTargetIndex;
    private bool isWaiting;

    

    private void Start()
    {
        targets = new Transform[3];

        targets[0] = GameObject.Find("Cube (2)").transform;
        targets[1] = GameObject.Find("Cube (3)").transform;
        targets[2] = GameObject.Find("Cube (4)").transform;
        
        if (targets.Length > 0)
        {
            currentTargetIndex = 0;
            SetNextDestination();
        }
    }

    private void Update()
    {
        if (!isWaiting && agent.remainingDistance <= agent.stoppingDistance && !agent.pathPending)
        {
            StartCoroutine(GoToNextTarget());
        }
    }

    private void SetNextDestination()
    {
        if (targets.Length == 0)
            return;

        agent.SetDestination(targets[currentTargetIndex].position);
    }

    private IEnumerator GoToNextTarget()
    {
        isWaiting = true;
        yield return new WaitForSeconds(waittime);
        currentTargetIndex++;
        SetNextDestination();
        isWaiting = false;
    }
}