using UnityEngine;

public class HookGrabber : MonoBehaviour
{
    public Transform attachPoint;  // 比如钩子底端的空物体

    private GameObject candidateCargo; // 当前可被吸附的货物
    private GameObject grabbedCargo;   // 已吸附的货物

    private BoxCollider Hookcollider;

    private float SizeZ;

    //private float Min = 0f;

    private void Start()
    {
        Hookcollider = GetComponent<BoxCollider>();
        //Min = (6.295807f - 0.3099952f) / 100;
        SizeZ = 5.95f - 1.008f;
    }
    void Update()
    {
        // 按N键：吸附货物
        if (candidateCargo != null && grabbedCargo == null && Input.GetKeyDown(KeyCode.N))
        {
            grabbedCargo = candidateCargo;
            grabbedCargo.transform.SetParent(attachPoint);
            // grabbedCargo.transform.position = attachPoint.position + (SizeZ/2);

            Debug.Log("吸附到货物：" + grabbedCargo.name);
        }
        float currentValue = CraneController.Instance.hookRenderer.GetBlendShapeWeight(0);
        Debug.Log("currentValue：" + currentValue);
        Debug.Log("SizeZ：" + (SizeZ / 100 * (100 - currentValue)));
        Debug.Log("attachPoint.position.y：" + attachPoint.position.y);
        if (grabbedCargo != null)
        {
            grabbedCargo.transform.position = new Vector3(attachPoint.position.x, (attachPoint.position.y + (SizeZ / 100 * (100 - currentValue)) - 5.52f), attachPoint.position.z);

        }
        // 按M键：释放货物
        if (grabbedCargo != null && Input.GetKeyDown(KeyCode.M))
        {
            grabbedCargo.transform.SetParent(null);
            grabbedCargo = null;
            Debug.Log("货物已分离");
        }
    }
    private void OnTriggerEnter(Collider other)
    {
        if (other.CompareTag("货物"))
        {
            candidateCargo = other.gameObject;
            Debug.Log("检测到货物：" + candidateCargo.name);
        }
    }

    private void OnTriggerExit(Collider other)
    {
        // 离开触发区后，如果没吸附，就清空候选
        if (candidateCargo != null && other.gameObject == candidateCargo && grabbedCargo == null)
        {
            candidateCargo = null;
            Debug.Log("货物离开触发范围");
        }
    }
}