using UnityEngine;

public class ChanraoTuibuHandler : MonoBehaviour
{
    private MeshRenderer _outlineMesh;
    private float _lastClickTime;
    private bool _isFinished;
    
    public bool CanBeClicked() { return !_isFinished; }

    void OnEnable()
    {
        // 尝试以 ping.004 为中心生成碰撞体，因为如果它是 SkinnedMeshRenderer，其自身原点可能在脚底
        var col = GetComponent<SphereCollider>();
        if (col == null) col = gameObject.AddComponent<SphereCollider>();
        
        var ping004 = GameObject.Find("ping.004");
        if (ping004 == null)
        {
            var mi = GameObject.Find("manInjury");
            if (mi != null)
            {
                var t = mi.transform.Find("ping.004");
                if (t != null) ping004 = t.gameObject;
            }
        }
        
        if (ping004 != null)
        {
            col.center = transform.InverseTransformPoint(ping004.transform.position);
            col.radius = 0.8f;
            col.enabled = true;
            Debug.Log($"[ChanraoTuibu] 碰撞体已定位到 ping.004 的位置: {col.center}");
        }
        else
        {
            col.center = Vector3.zero;
            col.radius = 0.8f;
        }

        // 不要在代码中直接 Destroy BoxCollider，避免 Unity Editor 抛出异常
        var box = GetComponent<BoxCollider>();
        if (box != null) box.enabled = false;

        foreach (var r in GetComponentsInChildren<Renderer>(true)) r.enabled = false;
        CreateOutlineMesh();
        _isFinished = false;
        StopAllCoroutines();
        StartCoroutine(BlinkOutline());
        Debug.Log($"[ChanraoTuibu] OnEnable outline={_outlineMesh!=null}");
    }

    private Mesh GetMesh()
    {
        var mf = GetComponent<MeshFilter>();
        if (mf == null) mf = GetComponentInChildren<MeshFilter>();
        if (mf != null && mf.sharedMesh != null) return mf.sharedMesh;
        
        var smr = GetComponent<SkinnedMeshRenderer>();
        if (smr == null) smr = GetComponentInChildren<SkinnedMeshRenderer>();
        if (smr != null && smr.sharedMesh != null) return smr.sharedMesh;
        
        return null;
    }

    void CreateOutlineMesh()
    {
        if (_outlineMesh != null) return;
        Mesh mesh = GetMesh();
        if (mesh == null) { Debug.LogWarning("[ChanraoTuibu] 无Mesh数据"); 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));
        mat.SetFloat("_OutlineWidth", OutlineConfig.Width);
        var go = new GameObject("Outline");
        go.transform.SetParent(transform, false);
        go.AddComponent<MeshFilter>().sharedMesh = mesh;
        _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()
    {
        PerformClick();
    }

    public void PerformClick()
    {
        if (Time.time - _lastClickTime < 0.3f) return; // 防止重复点击
        _lastClickTime = Time.time;
        if (_isFinished) return;
        
        Debug.Log($"[ChanraoTuibu] {name} 被点击");
        ActionHistory.Push(ActionHistory.ActionType.ChanraoTuibu, this);
        _isFinished = true;
        StopAllCoroutines();
        if (_outlineMesh != null) _outlineMesh.enabled = false;
        var mr = GetComponent<MeshRenderer>(); if (mr != null) mr.enabled = true;
        foreach (var r in GetComponentsInChildren<Renderer>(true)) { if (_outlineMesh != null && r == _outlineMesh) continue; r.enabled = true; } // 显示模型
        
        // 激活所有的 ping 进行第二轮包扎
        var allPings = Object.FindObjectsOfType<PingClickHandler>();
        foreach (var p in allPings)
        {
            if (p.gameObject.activeInHierarchy)
            {
                p.ReEnableBorder();
            }
        }
        Debug.Log("[ChanraoTuibu] chanraotuibu 已显示，所有 ping 边框已重新激活！");
    }

    public void ResetState()
    {
        ResetState(true);
    }

    public void ResetState(bool startBlink)
    {
        _isFinished = false;
        var mr = GetComponent<MeshRenderer>(); if (mr != null) mr.enabled = false;
        var smr = GetComponent<SkinnedMeshRenderer>(); if (smr != null) smr.enabled = false;
        foreach (var r in GetComponentsInChildren<Renderer>(true)) { if (_outlineMesh != null && r == _outlineMesh) continue; r.enabled = false; }
        if (_outlineMesh != null) _outlineMesh.enabled = startBlink;

        StopAllCoroutines();
        if (startBlink && isActiveAndEnabled)
        {
            StartCoroutine(BlinkOutline());
        }
    }

    public void ForceHideOutline()
    {
        StopAllCoroutines();
        if (_outlineMesh != null) _outlineMesh.enabled = false;
    }
}