using UnityEngine;

public class ShoseClickHandler : MonoBehaviour
{
    public GameObject nextObject;
    public Transform targetPoint;
    private MeshRenderer _outlineMesh;
    private bool _clicked;

    void Start()
    {
        var col = GetComponent<Collider>();
        if (col == null) { col = gameObject.AddComponent<SphereCollider>(); ((SphereCollider)col).radius = 3f; }
        col.enabled = true;
        CreateOutlineMesh();
        StartCoroutine(BlinkOutline());
        Debug.Log($"[ShoseClick] Start obj={gameObject.name} col={col.enabled} radius={((SphereCollider)col).radius}");
    }

    void CreateOutlineMesh()
    {
        if (_outlineMesh != null) return;
        var mf = GetComponent<MeshFilter>();
        if (mf == null) mf = GetComponentInChildren<MeshFilter>();
        if (mf == null || mf.sharedMesh == null) return;
        var shader = Shader.Find("Custom/OutlineUnlit");
        if (shader == null) return;
        var mat = new Material(shader);
        mat.SetColor("_OutlineColor", new Color(0.2f, 0.5f, 1f, 1f));
        mat.SetColor("_MainColor", new Color(0, 0, 0, 0));
        mat.SetFloat("_OutlineWidth", 0.06f);
        var go = new GameObject("Outline");
        go.transform.SetParent(transform, false);
        go.AddComponent<MeshFilter>().sharedMesh = mf.sharedMesh;
        _outlineMesh = go.AddComponent<MeshRenderer>();
        _outlineMesh.material = mat;
    }

    System.Collections.IEnumerator BlinkOutline()
    {
        if (_outlineMesh != null) _outlineMesh.enabled = true;
        yield return new WaitForSeconds(0.4f);
        while (true) { if (_outlineMesh != null) _outlineMesh.enabled = !_outlineMesh.enabled; yield return new WaitForSeconds(0.4f); }
    }

    void OnMouseDown()
    {
        if (_clicked) return;
        _clicked = true;
        Debug.Log("[ShoseClick] ★ 模型被点击了! ★");
        StopAllCoroutines();
        if (_outlineMesh != null) _outlineMesh.enabled = false;
        if (targetPoint != null) { transform.position = targetPoint.position; transform.rotation = targetPoint.rotation; }
        if (nextObject != null) nextObject.SetActive(true);
    }
}