using UnityEngine;

public class CameraController : MonoBehaviour
{
    [Header("Follow Target")]
    public Transform followTarget;       // The player (root GameObject)

    [Header("Zoom Settings")]
    public Transform zoomTarget;         // Target to zoom into (e.g. computer screen)
    public float followSmoothness = 5f;
    public float zoomSpeed = 2f;

    private Vector3 initialOffset;
    private bool isZooming = false;

    void Start()
    {
        if (followTarget == null)
        {
            Debug.LogError("❌ followTarget not assigned!");
            return;
        }

        // Calculate offset from current camera position
        initialOffset = transform.position - followTarget.position;
    }

    void LateUpdate()
    {
        if (isZooming && zoomTarget != null)
        {
            // Smooth zoom toward target (e.g., computer screen)
            transform.position = Vector3.Lerp(transform.position, zoomTarget.position, zoomSpeed * Time.deltaTime);
            transform.rotation = Quaternion.Slerp(transform.rotation,
                                                  Quaternion.LookRotation(zoomTarget.position - transform.position),
                                                  zoomSpeed * Time.deltaTime);
        }
        else if (followTarget != null)
        {
            // Follow player with initial offset
            Vector3 targetPosition = followTarget.position + initialOffset;
            transform.position = Vector3.Lerp(transform.position, targetPosition, followSmoothness * Time.deltaTime);
            transform.LookAt(followTarget);
        }
    }

    public void StartZoom()
    {
        isZooming = true;
    }
}