using UnityEngine;

/// <summary>
/// 挂在 touchArray 的每个子球体上，点击时把 woman 移动到 womanPointArray 对应位置。
/// 自动关闭 MeshRenderer 只显示蓝描边，描边闪烁提示用户点击。
/// </summary>
public class TouchPositionHandler : MonoBehaviour
{
    public Transform targetPosition;
    public GameObject womanObject;
    public GameObject nextTouchObject;

    private LineRenderer _outlineRenderer;

    private void Start()
    {
        // 关闭球体本身的 MeshRenderer，只留碰撞体 + 描边
        var mr = GetComponent<MeshRenderer>();
        if (mr != null) mr.enabled = false;

        CreateBlueOutline();
        StartCoroutine(BlinkOutline());
    }

    private void CreateBlueOutline()
    {
        var ringGo = new GameObject("BlueRing");
        ringGo.transform.SetParent(transform, false);
        ringGo.transform.localPosition = new Vector3(0, 0.02f, 0); // 稍微抬高防穿地
        ringGo.transform.localRotation = Quaternion.Euler(90f, 0, 0);

        _outlineRenderer = ringGo.AddComponent<LineRenderer>();
        _outlineRenderer.useWorldSpace = false;
        _outlineRenderer.loop = true;
        _outlineRenderer.startWidth = 0.06f;
        _outlineRenderer.endWidth = 0.06f;
        _outlineRenderer.material = new Material(Shader.Find("Unlit/Color"));
        _outlineRenderer.material.color = new Color(0.2f, 0.5f, 1f); // 亮蓝
        _outlineRenderer.startColor = new Color(0.2f, 0.5f, 1f);
        _outlineRenderer.endColor = new Color(0.2f, 0.5f, 1f);

        float r = 0.15f;
        int segs = 32;
        _outlineRenderer.positionCount = segs;
        for (int i = 0; i < segs; i++)
        {
            float a = i * 2f * Mathf.PI / segs;
            _outlineRenderer.SetPosition(i, new Vector3(Mathf.Cos(a) * r, Mathf.Sin(a) * r, 0));
        }
        Debug.Log($"[TouchPosition] {name}: 蓝描边已创建 (r={r}, Unlit/Color)");
    }

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

    private void OnMouseDown()
    {
        Debug.Log($"[TouchPosition] {name}: 被点击");

        if (womanObject != null && targetPosition != null)
        {
            womanObject.transform.position = targetPosition.position;
            womanObject.transform.rotation = targetPosition.rotation;
            Debug.Log($"[TouchPosition] woman 移动到 {targetPosition.name} ({targetPosition.position})");
        }
        else
        {
            Debug.LogWarning($"[TouchPosition] {name}: womanObject 或 targetPosition 为空");
        }

        // 停止闪烁，隐藏描边
        StopAllCoroutines();
        if (_outlineRenderer != null)
            _outlineRenderer.enabled = false;

        gameObject.SetActive(false);
        if (nextTouchObject != null)
        {
            nextTouchObject.SetActive(true);
            Debug.Log($"[TouchPosition] {name} 已隐藏 -> {nextTouchObject.name} 已显示");
        }
        else
        {
            Debug.Log($"[TouchPosition] {name} 已隐藏，无下一个");
        }
    }
}