using UnityEngine;

/// <summary>
/// Shose 交互：模型可见 + 外圈蓝色描边闪烁，点击后移动到 ShosePoint
/// </summary>
public class ShoseClickHandler : MonoBehaviour
{
    public GameObject nextObject;
    public Transform targetPoint;

    private MeshRenderer _outlineMesh;

    void OnEnable()
    {
        // 不隐藏模型！只加描边子对象
        if (GetComponent<Collider>() == null)
        {
            var sc = gameObject.AddComponent<SphereCollider>();
            sc.radius = 0.5f;
            sc.isTrigger = false;
        }
        CreateOutlineMesh();
        StopAllCoroutines();
        StartCoroutine(BlinkOutline());
        Debug.Log($"[ShoseClick] OnEnable outline={_outlineMesh!=null} collider={GetComponent<Collider>()!=null}");
    }

    void CreateOutlineMesh()
    {
        if (_outlineMesh != null) return;
        var mf = GetComponent<MeshFilter>();
        if (mf == null) mf = GetComponentInChildren<MeshFilter>();
        if (mf == null || mf.sharedMesh == null) { Debug.LogWarning("[ShoseClick] 无Mesh"); return; }
        var shader = Shader.Find("Custom/OutlineUnlit");
        if (shader == null) { Debug.LogWarning("[ShoseClick] Shader缺失"); 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", 0.03f);
        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()
    {
        Debug.Log("[ShoseClick] 被点击");
        StopAllCoroutines();
        if (_outlineMesh != null) _outlineMesh.enabled = false;
        if (targetPoint != null) { transform.position = targetPoint.position; transform.rotation = targetPoint.rotation; }
        if (nextObject != null) nextObject.SetActive(true);
    }
}