using UnityEngine;
using UnityEngine.Rendering.PostProcessing;

public class CarSelectionManager : MonoBehaviour
{
    [Header("Car Selection")]
    public CarData[] allCarData;               // Array of ScriptableObject car stats
    public GameObject[] allCarPrefabs;         // Array of car prefabs
    public Transform spawnPoint;               // Where to spawn the car

    [Header("Camera")]
    public CameraController cameraController;

    // Cached reference to the PostProcessVolume
    private PostProcessVolume cachedVolume;

    private void Start()
    {
        // Cache the PostProcessVolume from the main camera
        cachedVolume = Camera.main.GetComponent<PostProcessVolume>();

        int selectedIndex = GameConstants.CarSelected;

        // Safety check
        if (selectedIndex < 0 || selectedIndex >= allCarPrefabs.Length || selectedIndex >= allCarData.Length)
        {
            Debug.LogError("Selected car index is out of bounds!");
            return;
        }

        // Instantiate the selected car
        GameObject carInstance = Instantiate(
            allCarPrefabs[selectedIndex],
            spawnPoint.position,
            spawnPoint.rotation,
            spawnPoint
        );

        // Reset local transform
        carInstance.transform.localPosition = Vector3.zero;
        carInstance.transform.localRotation = Quaternion.identity;

        // Initialize VehicleController with CarData
        VehicleController controller = carInstance.GetComponent<VehicleController>();
        if (controller != null)
        {
            controller.InitializeWithData(allCarData[selectedIndex]);

            // Setup camera
            cameraController.target = controller.transform;
            cameraController.InitializeTarget();
        }
        else
        {
            Debug.LogError("VehicleController not found on the instantiated car prefab.");
        }

        // Assign PostProcessVolume to NOSController
        NOSController nos = carInstance.GetComponent<NOSController>();
        if (nos != null)
        {
            if (cachedVolume != null)
            {
                nos.SetPostProcessVolume(cachedVolume);
                Debug.Log("Assigned PostProcessVolume to NOSController.");
            }
            else
            {
                Debug.LogWarning("PostProcessVolume not found on the main camera.");
            }
        }
        else
        {
            Debug.LogWarning("NOSController not found on the instantiated car.");
        }
    }
}