using FATrace.Com;
using FATrace.HKNetLib.Hardware;
using FATrace.HKNetLib.Wrapper;
using FATrace.Model;
using LibVLCSharp.Shared;
using ReaLTaiizor.Forms;
using System.ComponentModel;
using FATrace.OEMApp.Services;
using System.Threading;
using System.Threading.Tasks;
using System.Collections.Concurrent;
using System.Linq;
using TaskStatus = FATrace.Model.TaskStatus;
using System.Windows.Forms;
using System.Drawing;

namespace FATrace.OEMApp
{
    public partial class MainApp : MaterialForm
    {
        /// <summary>
        /// 海康Camera 客户端
        /// </summary>
        public HkCamera HkCameraClient { get; set; }

        // 历史表列头中文映射
        private readonly Dictionary<string, string> _historyHeaderMap = new Dictionary<string, string>
        {
            { nameof(VideoAction.Id), "编号" },
            { nameof(VideoAction.Code), "条码" },
            { nameof(VideoAction.User), "用户" },
            { nameof(VideoAction.VideoFilePath), "视频路径" },
            { nameof(VideoAction.VideoName), "视频名称" },
            { nameof(VideoAction.StartTime), "开始时间" },
            { nameof(VideoAction.EndTime), "结束时间" },
            { nameof(VideoAction.CreateTime), "创建时间" }
        };

        public MainApp()
        {
            InitializeComponent();
        }

        /// <summary>
        /// 主窗体加载：
        /// - 初始化海康客户端与基础配置（日志目录与保存路径）
        /// - 初始化播放器与历史记录网格绑定
        /// - 启动后台任务服务（顺序下载队列 + Jellyfin 批量监听）
        /// - 初始化并启动 gridRULog（DataGridView）定时刷新，实时展示下载/监听任务状态
        /// </summary>
        private void MainApp_Load(object sender, EventArgs e)
        {

            HkCameraClient = new HkCamera();
            //保存SDK日志
            CHCNetSDK.NET_DVR_SetLogToFile(3, "C:\\SdkLog\\", true);

            //读取配置
            //HkCameraClient.NVR_IP = ConfigHelper.GetValue("NVRIP");
            //HkCameraClient.NVR_Port = ConfigHelper.GetValue("NVRPort");
            //HkCameraClient.NVR_UserName = ConfigHelper.GetValue("NVRUserName");

            HkCameraClient.NVRVideoSavePath = ConfigHelper.GetValue("NVRVideoSavePath");
            //NVR登录
            NVRLogin();


            InitMediaPlayer();
            InitHistoryGridBinding();

            // 启动后台任务服务：下载队列（单线程顺序）与 Jellyfin 批量监控（并行匹配）
            try
            {
                DownloadTaskWorker.Instance.Start(HkCameraClient);
                JellyfinMonitorQueueService.Instance.Start();
            }
            catch (Exception ex)
            {
                System.Diagnostics.Debug.WriteLine($"[TaskServices] 启动失败: {ex.Message}");
            }

            // 初始化 gridRULog 并启动 UI 定时刷新
            InitRuLogGrid();
            // 立即刷新一次，避免首次 1s 空白
            RefreshRuLogGrid();
            StartTaskUiTimer();

            //materialListView1.DataBindings
            try
            {
                var systemName = Program.SystemName;
                var authText = Program.IsActive ? "(已授权)" : "(未授权)";
                this.Text = string.IsNullOrWhiteSpace(systemName)
                    ? $"添加剂追溯系统 {authText}"
                    : $"{systemName} {authText}";
            }
            catch (Exception)
            {
                // 安静失败，不影响主界面显示
            }

            try
            {

            }
            catch (Exception ex)
            {
                MessageBox.Show($"初始化界面失败: {ex.Message}");
            }
        }

        private void NVRLogin()
        {
            HkCameraClient.NVR_IP = ConfigHelper.GetValue("NVRIP");
            HkCameraClient.NVR_Port = ushort.Parse(ConfigHelper.GetValue("NVRPort"));
            HkCameraClient.NVR_UserName = ConfigHelper.GetValue("NVRUserName");
            HkCameraClient.NVR_Pw = ConfigHelper.GetValue("NVRPw");

            var result = HkCameraClient.Sdk_NET_DVR_Login_V30(HkCameraClient.NVR_IP, HkCameraClient.NVR_Port, HkCameraClient.NVR_UserName, HkCameraClient.NVR_Pw);
            if (result)
            {
                MessageBox.Show("登录成功");
                return;
            }
            MessageBox.Show($"登录失败：{HkCameraClient.LastMsgErr}");
            return;
        }

        /// <summary>
        /// 当前登录用户
        /// </summary>
        public string CurUserName { get; set; } = "Admin";

        #region 视频处理变量

        /// <summary>
        /// 当前播放的视频
        /// </summary>
        public string CurrentVideoPath { get; set; }

        /// <summary>
        /// 按文件名/路径去重，避免同一下载完成事件被重复处理
        /// key: 文件名或路径（小写） value: 对应插入的 OEMRawUse.Id（0 表示尚未完成插入）
        /// </summary>
        private readonly ConcurrentDictionary<string, long> _downloadProcessingKeys = new();

        #endregion


        #region 内包信息

        /// <summary>
        /// 内包条码 
        /// </summary>
        public string CurInBagCode { get; set; } = "AAAAAA";

        /// <summary>
        /// 内包条码 原料名称
        /// </summary>
        public string CurInBagRawName { get; set; } = "添加剂Test";

        #endregion

        private void btnNVRLogin_Click(object sender, EventArgs e)
        {
            HkCameraClient.NVR_IP = ConfigHelper.GetValue("NVRIP");
            HkCameraClient.NVR_Port = ushort.Parse(ConfigHelper.GetValue("NVRPort"));
            HkCameraClient.NVR_UserName = ConfigHelper.GetValue("NVRUserName");
            HkCameraClient.NVR_Pw = ConfigHelper.GetValue("NVRPw");

            var result = HkCameraClient.Sdk_NET_DVR_Login_V30(HkCameraClient.NVR_IP, HkCameraClient.NVR_Port, HkCameraClient.NVR_UserName, HkCameraClient.NVR_Pw);
            if (result)
            {
                MessageBox.Show("登录成功");
                return;
            }
            MessageBox.Show($"登录失败：{HkCameraClient.LastMsgErr}");
            return;
        }


        /// <summary>
        /// 下载按钮：仅将请求入队为 DownloadTask，由后台 DownloadTaskWorker 顺序处理。
        /// 注意：不会在此处直接调用 SDK 下载，也不会订阅 SDK 事件，避免并发与重复。
        /// </summary>
        private void btnLoadVideo_Click(object sender, EventArgs e)
        {
            // 仅入队下载任务，由后台 DownloadTaskWorker 顺序处理
            var taskId = DownloadTaskWorker.Instance.Enqueue(
                code: CurInBagCode,
                rawName: CurInBagRawName,
                user: CurUserName,
                start: DateTime.Now.AddMinutes(-5),
                end: DateTime.Now
            );
            MessageBox.Show($"已入队下载任务，Id={taskId}");
        }

        private void HkCameraClient_NVRLoadVideoProcessEventHandler(object? sender, short value)
        {
            this.BeginInvoke(new Action(() =>
            {
                DownloadProgressBarMain.Value = value;
            }));
        }

        private void btnDownloadName_Click(object sender, EventArgs e)
        {
            //if (m_lDownHandle >= 0)
            //{
            //    MessageBox.Show("Downloading, please stop firstly!");//正在下载，请先停止下载
            //    return;
            //}

            //string sVideoFileName;  //录像文件保存路径和文件名 the path and file name to save      
            //sVideoFileName = "D:\\Downtest1111_" + sPlayBackFileName + ".mp4";

            ////按文件名下载 Download by file name
            //m_lDownHandle = CHCNetSDK.NET_DVR_GetFileByName(m_lUserID, sPlayBackFileName, sVideoFileName);
            //if (m_lDownHandle < 0)
            //{
            //    iLastErr = CHCNetSDK.NET_DVR_GetLastError();
            //    str = "NET_DVR_GetFileByName failed, error code= " + iLastErr;
            //    MessageBox.Show(str);
            //    return;
            //}

            //uint iOutValue = 0;

            ////设置转封装格式
            ////UInt32 iInValue = 5;
            ////IntPtr lpInValue = Marshal.AllocHGlobal(4);
            ////Marshal.StructureToPtr(iInValue, lpInValue, false);

            ////if (!CHCNetSDK.NET_DVR_PlayBackControl_V40(m_lDownHandle, CHCNetSDK.NET_DVR_SET_TRANS_TYPE, lpInValue, 4, IntPtr.Zero, ref iOutValue))
            ////{
            ////    iLastErr = CHCNetSDK.NET_DVR_GetLastError();
            ////    str = "NET_DVR_PLAYSTART failed, error code= " + iLastErr; //下载控制失败，输出错误号
            ////    MessageBox.Show(str);
            ////    return;
            ////}

            //if (!CHCNetSDK.NET_DVR_PlayBackControl_V40(m_lDownHandle, CHCNetSDK.NET_DVR_PLAYSTART, IntPtr.Zero, 0, IntPtr.Zero, ref iOutValue))
            //{
            //    iLastErr = CHCNetSDK.NET_DVR_GetLastError();
            //    str = "NET_DVR_PLAYSTART failed, error code= " + iLastErr; //下载控制失败，输出错误号
            //    MessageBox.Show(str);
            //    return;
            //}
            //timerDownload.Interval = 1000;
            //timerDownload.Enabled = true;
            //btnStopDownload.Enabled = true;
        }

        private void btnStopLoadVideo_Click(object sender, EventArgs e)
        {
            var Result = HkCameraClient.Sdk_NET_DVR_StopGetFile();
            if (Result.Result)
            {
                MessageBox.Show($"[暂停成功] ：{Result.Msg}");
            }
            else
            {
                MessageBox.Show($"[暂停失败] ：{Result.Msg}");
            }
        }

        #region 视频播放

        private LibVLC _libVLC;
        private MediaPlayer _mediaPlayer;

        /// <summary>
        /// 初始化MediaPlay
        /// </summary>
        private void InitMediaPlayer()
        {
            _libVLC = new LibVLC();
            _mediaPlayer = new MediaPlayer(_libVLC);
            videoView1.MediaPlayer = _mediaPlayer;

        }


        #endregion

        /// <summary>
        /// 测试手动播放
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnPlayHistoryVideo_Click(object sender, EventArgs e)
        {
            string path = "D:\\Downtest_Channel2025-09-12 102454.mp4";
            _mediaPlayer.Play(new Media(_libVLC, path));
        }

        /// <summary>
        /// 停止播放当前的视频文件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnStopHistoryPlay_Click(object sender, EventArgs e)
        {
            _mediaPlayer.Stop();
        }

        /// <summary>
        /// 清理播放资源
        /// </summary>
        private void CleanMediaPlay()
        {
            _mediaPlayer.Stop();
            _mediaPlayer.Dispose();
            _libVLC.Dispose();
        }


        #region 历史数据查询



        /// <summary>
        ///  采用 BindingList + BindingSource，使数据变化自动触发 UI 刷新
        /// </summary>
        private BindingSource historyBindingSource { get; set; }
        private BindingList<VideoAction> historyVideoBindingList { get; set; }


        /// <summary>
        /// 初始化历史记录表格的数据绑定
        /// </summary>
        private void InitHistoryGridBinding()
        {
            historyBindingSource = new BindingSource();
            historyVideoBindingList = new BindingList<VideoAction>();
            historyBindingSource.DataSource = historyVideoBindingList;
            // 绑定到 WinForms 原生 DataGridView
            dataGridView1.AutoGenerateColumns = true;
            dataGridView1.DataSource = historyBindingSource;
            // 绑定完成后统一调整列头与可见性
            dataGridView1.DataBindingComplete -= DataGridView1_DataBindingComplete;
            dataGridView1.DataBindingComplete += DataGridView1_DataBindingComplete;
            // 双击行播放对应视频
            dataGridView1.CellDoubleClick -= DataGridView1_CellDoubleClick;
            dataGridView1.CellDoubleClick += DataGridView1_CellDoubleClick;
            // 若此时已存在列，立即调整一次
            ConfigureHistoryGridColumns();
        }


        private void btnHistoryVideoSearch_Click(object sender, EventArgs e)
        {
            var query = FSqlContext.FDb.Select<VideoAction>();
            if (!string.IsNullOrEmpty(txtSearchCode.Text.Trim()))
            {
                query = query.Where(a => a.Code!.Contains(txtSearchCode.Text.Trim()));
            }
            query.Where(a => a.CreateTime >= PdtHistorySearchStart.Value && a.CreateTime <= PdtHistorySearchEnd.Value);

            // 拉取结果并刷新绑定列表
            var resultList = query.ToList();
            // 暂停变更通知，批量更新提高效率
            historyVideoBindingList.RaiseListChangedEvents = false;
            historyVideoBindingList.Clear();
            foreach (var item in resultList)
            {
                historyVideoBindingList.Add(item);
            }
            historyVideoBindingList.RaiseListChangedEvents = true;
            // 通知 UI 刷新
            historyVideoBindingList.ResetBindings();
        }

        // 与历史记录表格列配置相关的成员（WinForms DataGridView）
        private void DataGridView1_DataBindingComplete(object? sender, DataGridViewBindingCompleteEventArgs e)
        {
            try
            {
                ConfigureHistoryGridColumns();
            }
            catch (Exception ex)
            {
                // 仅记录，不中断界面
                System.Diagnostics.Debug.WriteLine($"[DataBindingComplete] 列配置失败: {ex.Message}");
            }
        }

        /// <summary>
        /// 双击行，播放该行对应的视频文件
        /// </summary>
        private void DataGridView1_CellDoubleClick(object? sender, DataGridViewCellEventArgs e)
        {
            if (e.RowIndex < 0) return; // 双击列头等
            try
            {
                var row = dataGridView1.Rows[e.RowIndex];
                if (row?.DataBoundItem is VideoAction va)
                {
                    var path = va.VideoFilePath;
                    if (string.IsNullOrWhiteSpace(path))
                    {
                        MessageBox.Show("该记录没有可播放的视频路径。", "播放提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                        return;
                    }
                    if (!File.Exists(path))
                    {
                        MessageBox.Show($"未找到视频文件:\n{path}", "播放失败", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                        return;
                    }

                    _mediaPlayer?.Stop();
                    _mediaPlayer?.Play(new LibVLCSharp.Shared.Media(_libVLC, path));
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show($"播放失败: {ex.Message}", "播放失败", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        /// <summary>
        /// 按照 _historyHeaderMap 配置列头、隐藏不需要的列，并做常用格式化
        /// </summary>
        private void ConfigureHistoryGridColumns()
        {
            if (dataGridView1 == null || dataGridView1.Columns.Count == 0) return;

            foreach (DataGridViewColumn col in dataGridView1.Columns)
            {
                var propName = col.DataPropertyName;

                // 设置列头中文
                if (!string.IsNullOrWhiteSpace(propName) && _historyHeaderMap.TryGetValue(propName, out var headerText))
                {
                    col.HeaderText = headerText;
                }

                // 隐藏 Id 列
                if (propName == nameof(VideoAction.Id))
                {
                    col.Visible = false;
                    continue;
                }

                //// 常用列宽与格式
                //if (propName is nameof(VideoAction.Code))
                //{
                //    col.AutoSizeMode = DataGridViewAutoSizeColumnMode.AllCells;
                //}
                //else if (propName is nameof(VideoAction.VideoFilePath))
                //{
                //    col.AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
                //}

                // 时间列格式化
                if (propName is nameof(VideoAction.StartTime) or nameof(VideoAction.EndTime) or nameof(VideoAction.CreateTime))
                {
                    col.DefaultCellStyle.Format = "yyyy-MM-dd HH:mm:ss";
                    col.AutoSizeMode = DataGridViewAutoSizeColumnMode.AllCells;
                }
            }

            // 选中整行，易于操作
            dataGridView1.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
            dataGridView1.MultiSelect = false;
            dataGridView1.ReadOnly = true;
            dataGridView1.AllowUserToAddRows = false;
        }


        #endregion


        /// <summary>
        /// 测试/结束操作按钮：同样仅入队一条下载任务，方便快速验证下载->监听全流程。
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnTestAction_Click(object sender, EventArgs e)
        {
            var taskId = DownloadTaskWorker.Instance.Enqueue(
                code: CurInBagCode,
                rawName: CurInBagRawName,
                user: CurUserName,
                start: DateTime.Now.AddMinutes(-5),
                end: DateTime.Now
            );
            MessageBox.Show($"[Test] 已入队下载任务，Id={taskId}");
        }

        /// <summary>
        /// 下载完成事件：触发后入库并启动 Jellyfin 轮询匹配
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void HkCameraClient_NVRLoadVideoCompleteEventHandler(object? sender, string e)
        {
            // 计算用于去重的 key（文件路径或文件名，小写）
            var localNameOrPath = (!string.IsNullOrWhiteSpace(e) && (e.Contains("\\") || e.Contains("/") || e.EndsWith(".mp4", StringComparison.OrdinalIgnoreCase)))
                ? e
                : this.CurrentVideoPath;
            var key = (System.IO.Path.GetFileName(localNameOrPath) ?? localNameOrPath).ToLowerInvariant();

            // 若同一 key 已在处理中，则忽略本次回调
            if (!_downloadProcessingKeys.TryAdd(key, 0))
            {
                System.Diagnostics.Debug.WriteLine($"[NVRLoadVideoComplete] 正在处理相同文件，忽略: {key}");
                return;
            }

            // 先保存当前的信息，记录主键 Id
            var rawUse = new OEMRawUse()
            {
                InBagCode = CurInBagCode,
                RawName = CurInBagRawName,
                User = CurUserName,
                UrlState = false,
                VideoUrl = string.Empty
            };
            long rawUseId = 0;
            try
            {
                rawUseId = FSqlContext.FDb.Insert<OEMRawUse>(rawUse).ExecuteIdentity();
                _downloadProcessingKeys[key] = rawUseId;
            }
            catch (Exception ex)
            {
                _downloadProcessingKeys.TryRemove(key, out _);
                System.Diagnostics.Debug.WriteLine($"[NVRLoadVideoComplete] 插入 OEMRawUse 失败: {ex.Message}");
                return;
            }

            // 后台执行，避免阻塞 UI 线程
            Task.Run(async () =>
            {
                try
                {
                    var monitor = new JellyfinMonitorService();
                    await monitor.MonitorAndUpdateAfterDownloadAsync(
                        oemRawUseId: rawUseId,
                        videoLocalPathOrName: localNameOrPath,
                        code: CurInBagCode,
                        rawName: CurInBagRawName,
                        userName: CurUserName,
                        cancellationToken: CancellationToken.None
                    ).ConfigureAwait(false);
                }
                catch (Exception ex1)
                {
                    System.Diagnostics.Debug.WriteLine($"[JellyfinMonitor] 异常: {ex1.Message}");
                }
                finally
                {
                    // 移除去重 key，允许后续相同文件再次处理（如需重试）
                    _downloadProcessingKeys.TryRemove(key, out _);
                }
            });
        }

        #region 任务监控（gridRULog / DataGridView）

        private System.Windows.Forms.Timer _taskUiTimer;
        private BindingSource ruLogBindingSource;
        private BindingList<RuLogRow> ruLogBindingList;

        /// <summary>
        /// DataGridView 行模型
        /// </summary>
        private sealed class RuLogRow
        {
            public string TimeText { get; set; } = string.Empty;
            public string Type { get; set; } = string.Empty; // 下载/监听
            public long TaskId { get; set; }
            public string StatusText { get; set; } = string.Empty;
            public string? ProgressText { get; set; }
            public string Remark { get; set; } = string.Empty; // 错误优先，否则文件路径/ItemId
        }

        /// <summary>
        /// 初始化 gridRULog：列定义/数据绑定/低闪烁
        /// </summary>
        private void InitRuLogGrid()
        {
            ruLogBindingSource = new BindingSource();
            ruLogBindingList = new BindingList<RuLogRow>();
            ruLogBindingSource.DataSource = ruLogBindingList;

            gridRULog.AutoGenerateColumns = false;
            gridRULog.Columns.Clear();
            // 列：时间、类型、任务Id、状态、进度、备注(填充)
            gridRULog.Columns.Add(new DataGridViewTextBoxColumn
            {
                Name = "colTime",
                HeaderText = "时间",
                DataPropertyName = nameof(RuLogRow.TimeText),
                Width = 100,
                AutoSizeMode = DataGridViewAutoSizeColumnMode.None
            });
            gridRULog.Columns.Add(new DataGridViewTextBoxColumn
            {
                Name = "colType",
                HeaderText = "类型",
                DataPropertyName = nameof(RuLogRow.Type),
                Width = 100,
                AutoSizeMode = DataGridViewAutoSizeColumnMode.None
            });
            gridRULog.Columns.Add(new DataGridViewTextBoxColumn
            {
                Name = "colTaskId",
                HeaderText = "任务Id",
                DataPropertyName = nameof(RuLogRow.TaskId),
                Width = 120,
                AutoSizeMode = DataGridViewAutoSizeColumnMode.None
            });
            gridRULog.Columns.Add(new DataGridViewTextBoxColumn
            {
                Name = "colStatus",
                HeaderText = "状态",
                DataPropertyName = nameof(RuLogRow.StatusText),
                Width = 120,
                AutoSizeMode = DataGridViewAutoSizeColumnMode.None
            });
            gridRULog.Columns.Add(new DataGridViewTextBoxColumn
            {
                Name = "colProgress",
                HeaderText = "进度",
                DataPropertyName = nameof(RuLogRow.ProgressText),
                Width = 80,
                AutoSizeMode = DataGridViewAutoSizeColumnMode.None
            });
            gridRULog.Columns.Add(new DataGridViewTextBoxColumn
            {
                Name = "colRemark",
                HeaderText = "备注",
                DataPropertyName = nameof(RuLogRow.Remark),
                AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill
            });

            // 双缓存减少闪烁
            SetDataGridViewDoubleBuffered(gridRULog);

            gridRULog.DataSource = ruLogBindingSource;
            gridRULog.ColumnHeadersVisible = true;
            gridRULog.EnableHeadersVisualStyles = false;
            gridRULog.AllowUserToResizeRows = false;
            gridRULog.AutoSizeRowsMode = DataGridViewAutoSizeRowsMode.DisplayedCells;
            gridRULog.BackgroundColor = Color.White;
            gridRULog.BorderStyle = BorderStyle.FixedSingle;
            gridRULog.ColumnHeadersBorderStyle = DataGridViewHeaderBorderStyle.Single;
            gridRULog.ColumnHeadersDefaultCellStyle.BackColor = Color.Gainsboro;
            gridRULog.ColumnHeadersDefaultCellStyle.ForeColor = Color.Black;
            gridRULog.RowHeadersVisible = false;
            // 使用 Designer 中的 Location/Size 与 Anchor，不额外 Dock
            gridRULog.BringToFront();

            // 跟随父容器尺寸变化进行定位与大小调整
            materialCard2.Resize -= MaterialCard2_Resize;
            materialCard2.Resize += MaterialCard2_Resize;
            LayoutRuLogGrid();
        }

        /// <summary>
        /// 根据左侧控件宽度动态计算 gridRULog 的 Left/Size，确保位置与尺寸正确
        /// </summary>
        private void LayoutRuLogGrid()
        {
            if (gridRULog == null || materialCard2 == null) return;
            try
            {
                int leftReserved = 540; // 默认左侧操作区宽度
                try
                {
                    var candidates = new Control[] { txtRUInBagCode, txtRURawName, btnTestAction, btnRawStopLoadVideo, DownloadProgressBarMain };
                    foreach (var c in candidates)
                    {
                        if (c?.Parent == materialCard2)
                        {
                            leftReserved = Math.Max(leftReserved, c.Right);
                        }
                    }
                    leftReserved += 20; // 预留间距
                }
                catch { }

                var client = materialCard2.ClientSize;
                var left = leftReserved;
                var top = 9;
                var width = Math.Max(200, client.Width - left - 14);
                var height = Math.Max(120, client.Height - top - 9);
                gridRULog.Location = new Point(left, top);
                gridRULog.Size = new Size(width, height);
                gridRULog.BringToFront();
            }
            catch { }
        }

        private void MaterialCard2_Resize(object? sender, EventArgs e)
        {
            LayoutRuLogGrid();
        }

        /// <summary>
        /// 启动 UI 定时器，定时刷新下载与 Jellyfin 监听任务状态
        /// </summary>
        private void StartTaskUiTimer()
        {
            _taskUiTimer = new System.Windows.Forms.Timer();
            _taskUiTimer.Interval = 1000; // 1s 刷新
            _taskUiTimer.Tick += TaskUiTimer_Tick;
            _taskUiTimer.Start();
        }

        private void TaskUiTimer_Tick(object? sender, EventArgs e)
        {
            RefreshRuLogGrid();
        }

        /// <summary>
        /// 刷新 gridRULog（下载 + 监听）
        /// </summary>
        private void RefreshRuLogGrid()
        {
            try
            {
                var db = FSqlContext.FDb;
                var downloads = db.Select<DownloadTask>()
                    .OrderByDescending(a => a.UpdateTime)
                    .Limit(50)
                    .ToList();
                var monitors = db.Select<JellyfinMonitorTask>()
                    .OrderByDescending(a => a.UpdateTime)
                    .Limit(50)
                    .ToList();

                var rows = new List<RuLogRow>(downloads.Count + monitors.Count);

                // 运行中优先
                foreach (var t in downloads.Where(x => x.Status == TaskStatus.Running))
                {
                    rows.Add(new RuLogRow
                    {
                        TimeText = t.UpdateTime.ToString("HH:mm:ss"),
                        Type = "下载",
                        TaskId = t.Id,
                        StatusText = t.Status.ToString(),
                        ProgressText = t.Progress.ToString(),
                        Remark = string.IsNullOrWhiteSpace(t.Error) ? (t.VideoFilePath ?? string.Empty) : t.Error!
                    });
                }
                foreach (var t in monitors.Where(x => x.Status == TaskStatus.Running))
                {
                    rows.Add(new RuLogRow
                    {
                        TimeText = t.UpdateTime.ToString("HH:mm:ss"),
                        Type = "监听",
                        TaskId = t.Id,
                        StatusText = t.Status.ToString(),
                        ProgressText = string.Empty,
                        Remark = string.IsNullOrWhiteSpace(t.Error) ? (t.FoundItemId ?? t.LocalFileNameOrPath ?? string.Empty) : t.Error!
                    });
                }

                // 其余
                foreach (var t in downloads.Where(x => x.Status != TaskStatus.Running))
                {
                    rows.Add(new RuLogRow
                    {
                        TimeText = t.UpdateTime.ToString("HH:mm:ss"),
                        Type = "下载",
                        TaskId = t.Id,
                        StatusText = t.Status.ToString(),
                        ProgressText = t.Progress.ToString(),
                        Remark = string.IsNullOrWhiteSpace(t.Error) ? (t.VideoFilePath ?? string.Empty) : t.Error!
                    });
                }
                foreach (var t in monitors.Where(x => x.Status != TaskStatus.Running))
                {
                    rows.Add(new RuLogRow
                    {
                        TimeText = t.UpdateTime.ToString("HH:mm:ss"),
                        Type = "监听",
                        TaskId = t.Id,
                        StatusText = t.Status.ToString(),
                        ProgressText = string.Empty,
                        Remark = string.IsNullOrWhiteSpace(t.Error) ? (t.FoundItemId ?? t.LocalFileNameOrPath ?? string.Empty) : t.Error!
                    });
                }

                // 批量更新绑定列表，尽量减少闪烁
                ruLogBindingList.RaiseListChangedEvents = false;
                ruLogBindingList.Clear();
                foreach (var r in rows)
                {
                    ruLogBindingList.Add(r);
                }
                ruLogBindingList.RaiseListChangedEvents = true;
                ruLogBindingList.ResetBindings();
            }
            catch (Exception ex)
            {
                System.Diagnostics.Debug.WriteLine($"[gridRULog] 刷新失败: {ex.Message}");
            }
        }

        private static void SetDataGridViewDoubleBuffered(DataGridView dgv)
        {
            try
            {
                typeof(DataGridView).InvokeMember(
                    "DoubleBuffered",
                    System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.SetProperty,
                    null,
                    dgv,
                    new object[] { true }
                );
            }
            catch { }
        }

        #endregion

        private void btnRawStopLoadVideo_Click(object sender, EventArgs e)
        {
            HkCameraClient.Sdk_NET_DVR_StopGetFile();
        }
    }
}