using Microsoft.Win32;
using Modbus.Device;
using Sunny.UI;
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Timers;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using 头罩视野.Services.Data;
using static 头罩视野.TestDataStore;
namespace 头罩视野.Views
{
    /// <summary>
    /// RecordDate.xaml 的交互逻辑
    /// </summary>
    /// 

    public partial class RecordDate : Page

    {
        private IModbusMaster _modbusMaster => ModbusResourceManager.Instance.ModbusMaster;
        private System.Timers.Timer? _plcReadTimer;
        // 表跟数据存储列表
        private List<dynamic> LeftEyeDataList = new List<dynamic>();
        private List<dynamic> RightEyeDataList = new List<dynamic>();

        // 配置：和你PLC地址完全对应  左目
        private const int LeftEyeStartAddress = 1362; // D1362
        private const int ChannelCount = 72;          // 72个通道
        private const int RegistersPerChannel = 2;   // 每个通道2个寄存器（Float）

        //右目
     
        private const int RightEyeStartAddress = 1218; // D1218
       

        // 长按清除用
        private bool _isClearPressed = false;
        private Thread _clearThread;
        public RecordDate()
        {
            InitializeComponent();
            DynamicHeader();
            // 2. 调用（名字和上面的变量一致）
            // 2. 启动定时器，定时读取数据（每100ms读一次）
            //StartPlcReadTimer(100);

            //// 判断连接
            if (!ModbusHelper.IsConnected)
            {
                MessageBox.Show("未连接");
                return;
            }
        }
        //动态生成表头
        void DynamicHeader()
        {
            // 2. 循环生成 64 个 ch 列
            for (int i = 1; i <= ChannelCount; i++)
            {
                dataGrid1.Columns.Add(new DataGridTextColumn
                {
                    Header = $"ch.{i}",
                    Binding = new System.Windows.Data.Binding($"Ch{i}")
                });
                dataGrid2.Columns.Add(new DataGridTextColumn
                {
                    Header = $"ch.{i}",
                    Binding = new System.Windows.Data.Binding($"Ch{i}")
                });
            }
        }
        public void StopPlcTimer()
        {
            if (_plcReadTimer != null)
            {
                _plcReadTimer.Stop();
                _plcReadTimer.Dispose();
                _plcReadTimer = null;
            }
        }
        //定时读取 PLC 数据
        public void StartPlcReadTimer(int intervalMs)
             
        {
            // 防止重复创建
            if (_plcReadTimer != null && _plcReadTimer.Enabled)
                return;
            _plcReadTimer = new System.Timers.Timer(intervalMs);
            _plcReadTimer.Elapsed += ReadPlcData;
            _plcReadTimer.Start();
        }

        private void ReadPlcData(object? sender, ElapsedEventArgs e)
        {
            // 左通道
            ReadPlcDataGeneric(
                slaveAddress: 1,
                startAddress: LeftEyeStartAddress,
                count: (ushort)(ChannelCount * RegistersPerChannel),
                dataList: LeftEyeDataList,
                dataGrid: dataGrid1);

            // 右通道
            ReadPlcDataGeneric(
                slaveAddress: 1,
                startAddress: RightEyeStartAddress,
                count: (ushort)(ChannelCount * RegistersPerChannel),
                dataList: RightEyeDataList,
                dataGrid: dataGrid2);
        }

        private void ReadPlcDataGeneric(int slaveAddress, int startAddress, ushort count, List<dynamic> dataList, DataGrid dataGrid)
        {
            throw new NotImplementedException();
        }


        /// <summary>
        /// 读取PLC HoldingRegisters 并更新到列表和DataGrid

        /// <param name="slaveAddress">设备站号（一般是1）</param>
        /// <param name="startAddress">起始地址</param>
        /// <param name="count">寄存器总数</param>
        /// <param name="dataList">数据缓存列表</param>
        /// <param name="dataGrid">要更新的DataGrid控件</param>


        /// 通用PLC读取方法（左右通道通用）
        /// </summary>
        private void ReadPlcDataGeneric(
            byte slaveAddress,
            ushort startAddress,
            ushort count,
            List<ushort> dataList,
            DataGrid dataGrid)
        {
            if (_modbusMaster == null || !ModbusHelper.TcpClient.Connected)
                return;

            try
            {
                // 读取寄存器
                ushort[] registers = _modbusMaster.ReadHoldingRegisters(
                    slaveAddress: slaveAddress,
                    startAddress: startAddress,
                    numberOfPoints: count);

                // 先把变量存为局部变量，解决闭包问题
                var regCopy = registers;
                var listCopy = dataList;
                var gridCopy = dataGrid;

                // 交给UI线程更新数据和表格
                Dispatcher.Invoke(() =>
                {
                    AddPlcDataRow(regCopy, listCopy, gridCopy);
                });
            }
            catch (Exception ex)
            {
                Console.WriteLine($"PLC读取失败: {ex.Message}");
            }
        }

        /// <summary>
        /// 把PLC数据添加到动态表格
        /// </summary>
        private void AddPlcDataRow(ushort[] registers, List<ushort> dataList, DataGrid dg)
        {
            // 清空旧数据，防止重复
            dataList.Clear();

            // 把PLC数据存入列表
            dataList.AddRange(registers);

            // 构建动态行（适配你原来的ExpandoObject逻辑）
            List<dynamic> rows = new List<dynamic>();
            for (int i = 0; i < registers.Length; i++)
            {
                dynamic row = new System.Dynamic.ExpandoObject();
                var dict = (IDictionary<string, object>)row;

                // 固定列：编号、时间、数值
                dict["Id"] = i + 1;
                dict["Time"] = DateTime.Now.ToString("HH:mm:ss");
                dict["Value"] = registers[i];

                rows.Add(row);
            }

            // 更新DataGrid
            dg.ItemsSource = null;
            dg.ItemsSource = rows;
            //根据不的dg  值  可以算出  左/右目视野面积

        }

        //private void AddPlcDataRow()
        //{
        //    AddPlcDataRow(LeftEyeDataList);
        //}


        //左右目面积调用方法
        private void AddPlcDataRow(List<dynamic> leftEyeDataList, List<dynamic> RightEyeDataList)
        {   //左目视野面积
            GlobalData.LeftEyeArea = ModbusHelper.CalculateEyeArea(leftEyeDataList, 
                80,
                120
            );
            //右目视野面积
            GlobalData.RightEyeArea = ModbusHelper.CalculateEyeArea(RightEyeDataList, 
               80,
               120
           );
            //双目视野面积
            GlobalData.BinocularArea = ModbusHelper.CalcBinocularArea(leftEyeDataList, RightEyeDataList, 80, 120);

            //// 总视野面积
            GlobalData.TotalEyeArea = GlobalData.LeftEyeArea + GlobalData.RightEyeArea - GlobalData.BinocularArea;

            //// 空白视野面积
            GlobalData.BlankArea = 120 - GlobalData.TotalEyeArea;

            //视野保存率

            // 左眼平均值数组
            double[] leftAvg = ModbusHelper.GetEyeAvgArray(leftEyeDataList);

            // 右眼平均值数组
            double[] rightAvg = ModbusHelper.GetEyeAvgArray(RightEyeDataList);

            double leftLowerAngle = ModbusHelper.CalcLowerAngle(leftAvg, 10);
            double rightLowerAngle = ModbusHelper.CalcLowerAngle(rightAvg, 10);

            GlobalData.LowerVision = Math.Min(leftLowerAngle, rightLowerAngle);

            //视野保存率
            GlobalData.VisionRetentionRate = ModbusHelper.CalcVisionRate(GlobalData.LeftEyeArea, GlobalData.RightEyeArea);

        }

        private double CalcLowerAngle(double[] leftAvg, int v)
        {
            throw new NotImplementedException();
        }


        //#endregion

        // 保存左眼
        private void btnSaveLeft_Click(object sender, RoutedEventArgs e)
        {
            //SaveToCsv(LeftEyeDataList, $"左眼数据_{DateTime.Now:yyyyMMddHHmmss}.csv");
            ModbusHelper.SaveToCsv(LeftEyeDataList, $"左眼数据_{DateTime.Now:yyyyMMddHHmmss}.csv");
        }


        // 保存右眼
        private void btnSaveRight_Click(object sender, RoutedEventArgs e)
        {
            ModbusHelper.SaveToCsv(RightEyeDataList,$"右眼数据_{DateTime.Now:yyyyMMddHHmmss}.csv");
        }

        //清除
        private void btnClear_MouseDown(object sender, MouseButtonEventArgs e)
        {
            _isClearPressed = true;
            _clearThread = new Thread(() =>
            {
                Thread.Sleep(500); // 长按1秒触发
                if (_isClearPressed)
                {
                    Application.Current.Dispatcher.Invoke(() => ClearAllData());
                }
            });
            _clearThread.Start();
        }
        // 清除所有数据
        private void ClearAllData()
        {
            LeftEyeDataList.Clear();
            dataGrid1.Items.Clear();

            RightEyeDataList.Clear();
            dataGrid2.Items.Clear();

            MessageBox.Show("数据已清除");
        }

        private void btnClear_MouseUp(object sender, MouseButtonEventArgs e)
        {
            _isClearPressed = false;
            _clearThread?.Join(100); // 等待线程结束最多100毫秒，然后强制结束
        }
        private void Page_Unloaded(object sender, RoutedEventArgs e)
        {
            _plcReadTimer?.Stop();
            _plcReadTimer?.Dispose();
            //_modbusMaster?.Dispose();
            //ModbusHelper.TcpClient?.Close();

        }
        private void Page_Loaded(object sender, RoutedEventArgs e)
        {

        }
       

        private void GoHome(object s, RoutedEventArgs e) => NavigationService.Content = null;
        private void GoTest(object s, RoutedEventArgs e) => NavigationService.Content = new Views.PageTest();
        private void GoRecord(object s, RoutedEventArgs e) => NavigationService.Content = new Views.RecordDate();
        private void GoView(object s, RoutedEventArgs e) => NavigationService.Content = new Views.RecordPage();

        internal void StartPlcTimer()
        {
            throw new NotImplementedException();
        }

        //NavigationService.Navigate(new Views.RecordDate()); 页面相互跳转
    }



     //// 公开定时器（让别的页面能访问）
     //public System.Timers.Timer PlcReadTimer;

     //   // 公开：启动定时器
     //   public void StartRecordTimer()
     //   {
     //       if (PlcReadTimer == null)
     //       {
     //           PlcReadTimer = new System.Timers.Timer(100);
     //           PlcReadTimer.Elapsed += ReadPlcData; // 你的PLC读取方法
     //           PlcReadTimer.Start();
     //       }
     //   }

     //   // 公开：停止定时器
     //   public void StopRecordTimer()
     //   {
     //       if (PlcReadTimer != null)
     //       {
     //           PlcReadTimer.Stop();
     //           PlcReadTimer.Dispose();
     //           PlcReadTimer = null;
     //       }
     //   }

     //   // 你的PLC读取方法
     //   private void ReadPlcData(object sender, System.Timers.ElapsedEventArgs e)
     //   {
     //       // 你原来的逻辑
     //   }


    // 找到 RecordDate 页面实例  页面调用和停止
        //var recordPage = Application.Current.MainWindow
        //    .FindName("MainFrame") as Frame
        //    ?.Content as RecordDate;

        //// 找到了就调用
        //if (recordPage != null)
        //{
        //    recordPage.StartRecordTimer();   // 启动
        //    // recordPage.StopRecordTimer(); // 停止
        //}
    }