using UnityEngine;

public class ChanraoTuibuHandler : MonoBehaviour
{
    public GameObject nextObject;
    private MeshRenderer _outlineMesh;

    void OnEnable()
    {
        if (GetComponent<Collider>() == null) gameObject.AddComponent<SphereCollider>().radius = 0.5f;
        CreateOutlineMesh();
        StopAllCoroutines();
        StartCoroutine(BlinkOutline());
        Debug.Log($"[ChanraoTuibu] OnEnable outline={_outlineMesh!=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("[ChanraoTuibu] 无MeshFilter"); return; }
        var shader = Shader.Find("Custom/OutlineUnlit");
        if (shader == null) { Debug.LogWarning("[ChanraoTuibu] 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));
        float s = transform.lossyScale.magnitude / Mathf.Sqrt(3);
        mat.SetFloat("_OutlineWidth", s > 0.001f ? OutlineConfig.Width / s : OutlineConfig.Width);
        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($"[ChanraoTuibu] {name} 被点击");
        StopAllCoroutines();
        if (_outlineMesh != null) _outlineMesh.enabled = false;
        // 显示模型
        var mr = GetComponent<MeshRenderer>();
        if (mr != null) mr.enabled = true;
        foreach (var r in GetComponentsInChildren<Renderer>(true)) r.enabled = true;
        // 激活下一个(ping.004)
        if (nextObject != null) { nextObject.SetActive(true); Debug.Log($"[ChanraoTuibu] → {nextObject.name}"); }
    }
}