using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.AI;

public class AgenteAlbañil : MonoBehaviour
{
    public float speed = 3f;
    public GameObject blockPrefab;
    public Vector3 depotPosition = new Vector3(0, 0, 0); // Lugar donde se recogen los bloques
    public AgenteSupervisor manager;

    private NavMeshAgent agent;
    private enum AgentState { Idle, GoingToDepot, CarryingToBuild }
    private AgentState state = AgentState.Idle;

    private Vector3? buildPosition = null;
    private bool hasBlock = false;

    void Start()
    {
        agent = GetComponent<NavMeshAgent>();

    }

    void Update()
    {
        switch (state)
        {
            case AgentState.Idle:
                buildPosition = manager.AssignNextBlockPosition();
                if (buildPosition != null)
                {
                    state = AgentState.GoingToDepot;
                }
                break;

            case AgentState.GoingToDepot:
                MoveToTarget(depotPosition);
                if (Vector3.Distance(transform.position, depotPosition) < 0.5f)
                {
                    hasBlock = true;
                    state = AgentState.CarryingToBuild;
                }
                break;

            case AgentState.CarryingToBuild:
                if (buildPosition != null)
                {
                    MoveToTarget((Vector3)buildPosition);
                    if (Vector3.Distance(transform.position, (Vector3)buildPosition) < 0.5f)
                    {
                        Instantiate(blockPrefab, (Vector3)buildPosition, Quaternion.identity);
                        hasBlock = false;
                        state = AgentState.Idle;
                        buildPosition = null;
                    }
                }
                break;
        }
    }

    void MoveToTarget(Vector3 target)
    {
        Vector3 dir = (target - transform.position).normalized;
        transform.position += dir * speed * Time.deltaTime;
    }
}