using UnityEngine;

/// <summary>
/// 挂在 touchArray 子球体上。球体用双Pass膨胀描边shader（Custom/OutlineUnlit），
/// 闪烁提示用户点击。点击后移动到对应位置并顺序显示下一个。
/// </summary>
public class TouchPositionHandler : MonoBehaviour
{
    public Transform targetPosition;
    public GameObject womanObject;
    public GameObject nextTouchObject;
    public AudioClip voiceClip;

    private MeshRenderer _meshRenderer;

    private void Start()
    {
        _meshRenderer = GetComponent<MeshRenderer>();
        StartCoroutine(BlinkMesh());
    }

    private void OnEnable()
    {
        _meshRenderer = GetComponent<MeshRenderer>();
        if (_meshRenderer != null)
        {
            _meshRenderer.enabled = true;
            var col = GetComponent<Collider>(); if (col == null) { var sc = gameObject.AddComponent<SphereCollider>(); sc.radius = 0.3f; }            // 只显示描边，填充透明
            var mat = _meshRenderer.material;
            if (mat != null && mat.HasProperty("_MainColor"))
            {
                var c = mat.GetColor("_MainColor");
                c.a = 0f;
                mat.SetColor("_MainColor", c);
            }
        }
        StopAllCoroutines();
        StartCoroutine(BlinkMesh());
    }

    private System.Collections.IEnumerator BlinkMesh()
    {
        while (true)
        {
            if (_meshRenderer != null) _meshRenderer.enabled = !_meshRenderer.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}");
        }

        if (voiceClip != null)
        {
            PlaySharedVoice();
            Debug.Log($"[TouchPosition] 播放语音: {voiceClip.name}");
        }

                // 点击point1时平滑切换到camera3
        if (transform.GetSiblingIndex() == 0)
            StartCoroutine(SwitchToCamera3Smooth());

        int stepIndex = transform.GetSiblingIndex() + 1;
        var sm = FindObjectOfType<StepManager>();
        if (sm != null) sm.RecordWomanStep(stepIndex);

        // point1 点击后激活第一个 ping
        if (stepIndex == 1)
        {
            var mi = GameObject.Find("manInjury");
            if (mi != null)
            {
                var ping4 = mi.transform.Find("ping.004");
                if (ping4 != null) { ping4.gameObject.SetActive(true); Debug.Log("[TouchPosition] ping.004 已激活"); }
                FindObjectOfType<StepManager>()?.InitPingSteps();
            }
        }

        StopAllCoroutines();
        if (_meshRenderer != null) _meshRenderer.enabled = false;

        gameObject.SetActive(false);
        if (nextTouchObject != null)
        {
            nextTouchObject.SetActive(true);
            Debug.Log($"[TouchPosition] {name} → {nextTouchObject.name} 显示");
        }
    }

    private static AudioSource _sharedVoice;

    private void PlaySharedVoice()
    {
        if (voiceClip == null) return;
        if (_sharedVoice == null)
        {
            var go = GameObject.Find("[Managers]");
            if (go != null) _sharedVoice = go.AddComponent<AudioSource>();
            else { var g = new GameObject("SharedVoice"); _sharedVoice = g.AddComponent<AudioSource>(); }
        }
        _sharedVoice.Stop();
        _sharedVoice.clip = voiceClip;
        _sharedVoice.Play();
    }
    System.Collections.IEnumerator SwitchToCamera3Smooth()
    {
        var black = GameObject.Find("BlackScreenPanel");
        var blackImg = black != null ? black.GetComponent<UnityEngine.UI.Image>() : null;
        float duration = 0.8f;

        // 渐入黑
        if (black != null && blackImg != null)
        {
            black.SetActive(true);
            for (float t = 0f; t < duration; t += Time.deltaTime)
            {
                blackImg.color = new Color(0, 0, 0, t / duration);
                yield return null;
            }
            blackImg.color = Color.black;
        }

        // 切换摄像机
        var cam2 = GameObject.Find("camera2");
        var cam3 = GameObject.Find("camera3");
        if (cam2 != null) { var c = cam2.GetComponent<Camera>(); if (c != null) c.enabled = false; }
        if (cam3 != null) { var c = cam3.GetComponent<Camera>(); if (c != null) c.enabled = true; }
        Debug.Log("[TouchPosition] camera2→camera3 平滑切换完成");

        yield return new WaitForSeconds(0.2f);

        // 渐出黑
        if (black != null && blackImg != null)
        {
            for (float t = 0f; t < duration; t += Time.deltaTime)
            {
                blackImg.color = new Color(0, 0, 0, 1f - t / duration);
                yield return null;
            }
            blackImg.color = new Color(0, 0, 0, 0);
            black.SetActive(false);
        }
    }

}