using UnityEngine;
using UnityEngine.UI;

public class CrosshairUI : MonoBehaviour
{
    [Header("Элементы прицела")]
    public Image dotImage;
    public Image outlineImage;

    [Header("Цвета курсора")]
    public Color normalColor = new Color(1f, 1f, 1f, 0.9f);
    public Color enemyTargetColor = new Color(1f, 0.25f, 0.25f, 1f);     // Красный при наведении на врага
    public Color interactTargetColor = new Color(0.3f, 0.85f, 1f, 1f);   // Голубой при наведении на интерактивный предмет

    [Header("Дистанция проверки")]
    public float detectRange = 25f;
    private Camera mainCamera;

    void Start()
    {
        mainCamera = Camera.main;
        if (dotImage != null) dotImage.color = normalColor;
    }

    void Update()
    {
        if (dotImage == null) return;
        if (mainCamera == null)
        {
            mainCamera = Camera.main;
            if (mainCamera == null) return;
        }

        Ray ray = new Ray(mainCamera.transform.position, mainCamera.transform.forward);
        if (Physics.Raycast(ray, out RaycastHit hit, detectRange))
        {
            if (hit.collider.GetComponentInParent<MutantHealth>() != null)
            {
                dotImage.color = enemyTargetColor;
                return;
            }

            if (hit.collider.CompareTag("Throwable"))
            {
                dotImage.color = interactTargetColor;
                return;
            }
        }

        dotImage.color = normalColor;
    }
}