using System.Collections.Generic;
using UnityEngine;

public class ConveiorRotund : MonoBehaviour
{
    [SerializeField, Tooltip("Coordonate puncte pe banda")]
    private Transform[] puncte;

    [SerializeField, Tooltip("Raza sfere vizuale")]
    private float raza;

    [SerializeField, Tooltip("viteza obiectului pe banda")]
    private float speed;

    [SerializeField, Tooltip("Distanta maxima pentru a trece de la un punct la altul")]
    private float maxDistance;


    private Dictionary<GameObject, int> obiectePeConveior = new Dictionary<GameObject, int>();

    void Update()
    {
        List<GameObject> obiecte = new List<GameObject>(obiectePeConveior.Keys);

        foreach (GameObject obiect in obiecte)
        {
            int index = obiectePeConveior[obiect];

            if (index >= puncte.Length)
                continue; 


            Vector3 newPos = Vector3.MoveTowards(
                obiect.transform.position,
                puncte[index].position,
                speed * Time.deltaTime
            );

            Vector3 finalPos = new Vector3(newPos.x, obiect.transform.position.y, newPos.z);
            Quaternion newRot = Quaternion.RotateTowards(
                obiect.transform.rotation,
                puncte[index].rotation,
                speed * Time.deltaTime
            );

            obiect.transform.position = finalPos;
            obiect.transform.rotation = newRot;


            float distance = Vector3.Distance(obiect.transform.position, puncte[index].position);

            if (distance < maxDistance)
            {
                obiectePeConveior[obiect] = index + 1; 
                Debug.Log($"{obiect.name} a ajuns la punctul {index + 1}");
            }
        }
    }

    private void OnDrawGizmos()
    {
        if (puncte == null) return;
        foreach (Transform t in puncte)
        {
            if (t != null)
                Gizmos.DrawWireSphere(t.position, raza);
        }
    }

    private void OnCollisionEnter(Collision collision)
    {
        if (!obiectePeConveior.ContainsKey(collision.gameObject))
        {
            obiectePeConveior.Add(collision.gameObject, 0); 
            Debug.Log($"{collision.gameObject.name} a intrat pe bandă");
        }
    }

    private void OnCollisionExit(Collision collision)
    {
        if (obiectePeConveior.ContainsKey(collision.gameObject))
        {
            obiectePeConveior.Remove(collision.gameObject);
            Debug.Log($"{collision.gameObject.name} a ieșit de pe bandă");
        }
    }
}