using Cysharp.Threading.Tasks;
using DG.Tweening;
using Framework;
using PhxhSDK;
using UnityEngine.UI;


public abstract partial class UIWindow
{
    /*
    ╔═══════════════════════════════════════════════════════════════════════════════════════════════════════════════════╗
    ║                                       UIWindow 生命周期 (Lifecycle)                                              ║
    ╠═══════════════════════════════════════════════════════════════════════════════════════════════════════════════════╣
    ║                                                                                                                       ║
    ║  【生命周期流程】                                                                                                     ║
    ║  1. Load    → UIManager.CreateWindow() 加载预制体                                                                   ║
    ║  2. Init    → Init(data) 初始化UI组件                                                                               ║
    ║  3. Show    → ShowWindow(data) 显示窗口                                                                             ║
    ║  4. Update  → Update(dt) 每帧更新                                                                                   ║
    ║  5. Refresh → Refresh(data) 刷新数据                                                                                ║
    ║  6. Close   → CloseWindow(false) 关闭窗口（保留内存）                                                               ║
    ║  7. Destroy → CloseWindow(true) 销毁窗口（释放资源）                                                                ║
    ║                                                                                                                       ║
    ║  【核心虚方法】（子类可重写）                                                                                         ║
    ║  • OnInit()        - 初始化UI组件，绑定事件                                                                          ║
    ║  • OnBeforeShow()  - 显示前验证，返回false取消显示                                                                   ║
    ║  • OnAfterShow()   - 显示后处理，播放动画                                                                            ║
    ║  • OnUpdate(dt)    - 每帧更新（避免重度计算）                                                                        ║
    ║  • OnRefresh()     - 刷新显示内容                                                                                    ║
    ║  • OnHide()        - 隐藏时清理，暂停逻辑                                                                            ║
    ║  • OnRelease()     - 销毁时释放资源（重要：防止内存泄漏）                                                            ║
    ║                                                                                                                       ║
    ║  【注意事项】                                                                                                         ║
    ║  ⚠️ 不要重写公共接口方法（Init, ShowWindow, Update等）                                                               ║
    ║  ⚠️ 不要直接调用OnXxx虚方法，必须通过公共接口                                                                         ║
    ║  ⚠️ CloseWindow(true)销毁窗口，CloseWindow(false)仅隐藏                                                              ║
    ║                                                                                                                       ║
    ╚═══════════════════════════════════════════════════════════════════════════════════════════════════════════════════╝
    */

    #region Lifecycle Management

    /// <summary>
    /// 初始化窗口
    /// </summary>
    public void Init(object data = null)
    {
        try
        {
            OnBeforeInit(data);
            if (isInited)
            {
                DebugUtil.LogWarning("window : {0} already inited", WindowName);
            }
            else
            {
                DoInit();
                OnInit();
                isInited = true;
            }
        }
        catch (System.Exception e)
        {
            DebugUtil.LogError("window : {0} init window error: {1}\n===Stack===\n{2}\n======", WindowName, e.Message, e.StackTrace);
        }
        
    }
    
    /// <summary>
    /// 显示窗口
    /// </summary>
    public void ShowWindow(object data = null)
    {
        try
        {
            if (_isShow)
            {
                DebugUtil.LogWarning("window : {0} is show, can't show again", WindowName);
            }

            if (!OnBeforeShow(data))
            {
                DebugUtil.LogError("window : {0} on before show return false", WindowName);
                return;
            }
            DoShow();
            OnShow(data);
            if (gameObject is null)
            {
                DebugUtil.Log("UI已被销毁:{0}", WindowName);
            }
            else
            {
                gameObject.SetActive(true);
            }
            _isShow = true;
            
            
            
            OnAfterShow(data);
            bool isShowOpenAnim = IsShowOpenAnim;
            if (isShowOpenAnim)
            {

                AnimShow(() =>
                {
                    //TODO
                    EventManager.Instance.Send(EventManager.EventName.UIOpen, WindowName);
                }).Forget();
            }
            else
            {
                //OnAfterShow(data);
                EventManager.Instance.Send(EventManager.EventName.UIOpen, WindowName);
            }
        }
        catch (System.Exception e)
        {
            DebugUtil.LogError("window : {0} show window error: {1}\n===Stack===\n{2}\n======", WindowName, e.Message, e.StackTrace);
        }
    }
    
    /// <summary>
    /// 在显示前截图（如果需要）
    /// </summary>
    private void CaptureScreenshotIfNeeded()
    {
        var config = UIManager.Instance.GetWindowInfo(WindowName);
        if (config.NeedScreenshot)
        {
            var oldActive = gameObject.activeSelf;
            gameObject.SetActive(false);
            ScreenshotManager.Instance.CaptureScreenshot();
            gameObject.SetActive(oldActive);
        }
    }
    
    /// <summary>
    /// 自动设置模糊背景（如果需要）
    /// </summary>
    private void SetupBlurBackgroundIfNeeded()
    {
        var config = UIManager.Instance.GetWindowInfo(WindowName);
        if (!config.NeedScreenshot) return;
        
        // 查找约定的 GaussianBlurMask 节点
        var blurTransform = transform.Find("GaussianBlurMask");
        if (blurTransform != null)
        {
            var blurMask = blurTransform.GetComponent<UnityEngine.UI.RawImage>();
            if (blurMask != null)
            {
                blurMask.texture = ScreenshotManager.Instance.GetScreenTexture2D();
                blurMask.gameObject.SetActive(true);
            }
        }
    }
    
    /// <summary>
    /// 更新入口，界面打开的时候更新
    /// </summary>
    public void Update(float dt)
    {
        try
        {
            _notchScreenAdapter?.UpdateCheck();
            OnUpdate(dt);
        }
        catch (System.Exception e)
        {
            DebugUtil.LogError("window : {0} update window error: {1}\n===Stack===\n{2}\n======", WindowName, e.Message, e.StackTrace);
        }
    }


    /// <summary>
    /// 刷新窗口数据
    /// </summary>
    public void Refresh(object data)
    {
        try
        {
            if (isInited)
            {
                OnRefresh(data);
            }
            else
            {
                DebugUtil.LogError("window : {0} not inited", WindowName);
            }
        }
        catch (System.Exception e)
        {
            DebugUtil.LogError("window : {0} refresh with data error: {1}\n===Stack===\n{2}\n======", WindowName, e.Message, e.StackTrace);
        }
    }
    
    /// <summary>
    /// 关闭窗口
    /// destroy = false: 关闭但保留内存（快速重开）
    /// destroy = true:  销毁并释放资源
    /// </summary>
    public async void CloseWindow(bool destroy)
    {
        try
        {
            // 如果窗口已关闭
            if (!_isShow)
            {
                // 如果不需要销毁，直接返回
                if (!destroy)
                {
                    DebugUtil.LogWarning("window : {0} is already closed", WindowName);
                    return;
                }
                
                // 如果需要销毁，跳过关闭逻辑，直接执行销毁
                DebugUtil.LogG($"窗口已关闭，直接销毁UI:{WindowName}");
                IsClosing = true;
                UIManager.Instance.RemoveWindow(mWindowName);
                DoDestroy();
                IsClosing = false;
                return;
            }

            IsClosing = true;
            
            // 1. 获取窗口配置
            var config = UIManager.Instance.GetWindowInfo(WindowName);
            
            // 2. 可见性管理（由 UIWindowVisibilityManager 根据配置决定是否处理）
            UIWindowVisibilityManager.Instance.HandleVisibilityOnClose(this, config.VisibilityStrategy);
            
            // 3. 相机管理（在可见性管理之后处理）
            UIWindowCameraManager.Instance.HandleCameraOnClose(this);
            
            // 4. 隐藏逻辑
            OnHide();
            gameObject?.SetActive(false);
            _isShow = false;
            EventManager.Instance.Send(EventManager.EventName.UIHide, WindowName);
            
            // 5. 播放关闭动画
            bool isShowCloseAnim = IsShowOpenAnim;
            if (isShowCloseAnim)
            {
                UIManager.Instance.BlockUIForCloseOperation();
                await AnimHide(() =>
                {
                    // 动画播放完毕后的回调
                    if (destroy)
                    {
                        DoDestroy();
                        UIManager.Instance.RemoveWindow(mWindowName);
                    }
                    IsClosing = false;
                });
            }
            else
            {
                // 7. 如果需要销毁（无动画情况）
                if (destroy)
                {
                    DoDestroy();
                    UIManager.Instance.RemoveWindow(mWindowName);
                }
                IsClosing = false;
            }
        }
        catch (System.Exception e)
        {
            DebugUtil.LogError("window : {0} close window error: {1}\n===Stack===\n{2}\n======", WindowName, e.Message, e.StackTrace);
        }
    }
    
    #endregion

    #region User Interaction

    #endregion


    #region Internal Implementation
    
    /// <summary>
    /// 恢复主相机状态（已废弃，由 UIWindowCameraManager 统一管理）
    /// </summary>
    [System.Obsolete("RestoreMainCamera已废弃，相机状态由 UIWindowCameraManager 统一管理")]
    private void RestoreMainCamera()
    {
        // 相机管理逻辑已移至 UIWindowCameraManager.HandleCameraOnClose
        // 保留此方法以防止破坏性更改
    }
    
    
    /// <summary>
    /// 执行基础初始化
    /// </summary>
    private void DoInit()
    {
        _isShow = false;
        var metaInfo = UIManager.Instance.GetWindowInfo(WindowName);
        IsShowOpenAnim = metaInfo.IsAutoAnim;
        BackStrategy = UIBackStrategyFactory.CreateStrategy(metaInfo.BackStrategyType);
        AutoBindField();
        InitScreenAdaption();
        BindDefaultCloseButtons();
        BindDefaultHomeButtons();
        BindDefaultBackButtons();
    }

    /// <summary>
    /// 执行显示逻辑
    /// </summary>
    private void DoShow()
    {
        // 🎯 在显示前截图（如果需要）
            CaptureScreenshotIfNeeded();
        // 🎯 自动设置模糊背景（如果需要）
            SetupBlurBackgroundIfNeeded();
        // 🎯 相机管理（在窗口显示后处理）
        var config = UIManager.Instance.GetWindowInfo(WindowName);
        UIWindowVisibilityManager.Instance.HandleVisibilityOnOpen(this, config.VisibilityStrategy);
        UIWindowCameraManager.Instance.HandleCameraOnOpen(this);
    }
    
    /// <summary>
    /// 执行销毁逻辑
    /// </summary>
    private void DoDestroy()
    {
        DebugUtil.LogG($"DoDestroy:{WindowName}");
        
        // 如果窗口还在显示状态，先调用 OnHide
        if (_isShow)
        {
            OnHide();
            _isShow = false;
        }
        
        // 确保 GameObject 隐藏
        if (gameObject != null)
        {
            gameObject.SetActive(false);
        }
        
        // 发送隐藏事件
        EventManager.Instance.Send(EventManager.EventName.UIHide, WindowName);

        // 资源释放
        if (gameObject)
        {
            if (isInited)
            {
                OnRelease();
                DoRelease();
                isInited = false;
            }
            if (UIManager.Instance.UIWindowObjDic.ContainsKey(gameObject))
            {
                UIManager.Instance.UIWindowObjDic.Remove(gameObject);
            }
            UnityEngine.Object.Destroy(gameObject);
        }
        
        // 卸载资源
        AssetManager.Instance.Unload(string.Format(UIManager.UI_PREFAB_PATH, mWindowName), true);
        gameObject = null;
    }
    
    /// <summary>
    /// 基础资源释放
    /// </summary>
    private void DoRelease()
    {
        EventManager.Instance.Send(EventManager.EventName.UIDestroy, WindowName);

        UnLoad();
        _openAnimSeq?.Kill();
        
        _assetReferenceManager?.Dispose();
        _assetReferenceManager = null;
        
        _notchScreenAdapter = null;
        _graphicRaycasterManager = null;
    }

    #endregion
    

    #region Virtual Methods

    // Init Phase

    /// <summary>
    /// 初始化前预处理（已废弃，建议使用OnInit）
    /// </summary>
    [System.Obsolete("OnBeforeInit已废弃，请使用OnInit方法替代。OnInit提供更清晰的初始化流程和更好的代码组织。")]
    protected virtual void OnBeforeInit(object data = null){}

    /// <summary>
    /// UI初始化
    /// </summary>
    protected virtual void OnInit(){}

    /// <summary>
    /// 自动绑定字段
    /// </summary>
    protected virtual void AutoBindField(){}

    // Show Phase

    /// <summary>
    /// 显示前检查（返回false可取消显示）
    /// </summary>
    protected virtual bool OnBeforeShow(object data)
    {
        return true;
    }

    /// <summary>
    /// 显示时处理（已废弃，建议使用OnAfterShow）
    /// </summary>
    [System.Obsolete("OnShow已废弃，请使用OnAfterShow方法替代。OnAfterShow在窗口完全显示后调用，提供更稳定的显示时机。")]
    protected virtual void OnShow(object data){}

    /// <summary>
    /// 显示后处理
    /// </summary>
    protected virtual void OnAfterShow(object data){}
    

    /// <summary>
    /// 每帧更新
    /// </summary>
    protected virtual void OnUpdate(float dt){}
    
    // Refresh Phase

    /// <summary>
    /// 数据刷新
    /// </summary>
    protected virtual void OnRefresh(object data) {}

    // Hide Phase

    /// <summary>
    /// 隐藏时处理
    /// </summary>
    protected virtual void OnHide(){}

    // Release Phase

    /// <summary>
    /// 资源释放
    /// </summary>
    protected virtual void OnRelease(){}
    

    #endregion
}