using Modbus.Device;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.IO;
using System.Net.Sockets;
using System.Text;
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 System.Windows.Threading;
using OfficeOpenXml;
using 头罩视野.Services.Data;

namespace 头罩视野.Views
{
    public class  RecordList
    {
        public int Id { get; set; }               // 编号
        public string Time { get; set; } = string.Empty; // 时间
        public string Date { get; set; } = string.Empty; // 日期
        public double LeftEyeArea { get; set; }   // 左目视野面积
        public double RightEyeArea { get; set; }  // 右目视野面积
        public double BinocularArea { get; set; } // 双目视野面积
    }
    /// <summary>
    /// RecordPage.xaml 的交互逻辑
    /// </summary>
    public partial class RecordPage : Page
    {
        // 表格数据源（ObservableCollection增删会自动更新UI）
        private ObservableCollection<RecordList> _recordList = new ObservableCollection<RecordList>();

        // Modbus通信对象（从你的全局单例获取）
        private TcpClient _tcpClient => ModbusResourceManager.Instance.TcpClient;
        private IModbusMaster _modbusMaster => ModbusResourceManager.Instance.ModbusMaster;

        public RecordPage()
        {
            InitializeComponent();
            // 绑定表格数据源
            RecordDataGrid.ItemsSource = _recordList;

        }
        //#region 1. 从设备读取数据并添加到表格
        public async System.Threading.Tasks.Task AddRecordFromDeviceAsync()
        {
            if (_modbusMaster == null)
            {
                MessageBox.Show("设备未连接，无法读取数据！");
                return;
            }

            try
            {
                // 1. 从设备读取数据（替换成你实际的寄存器地址）
                ushort[] leftReg = await _modbusMaster.ReadHoldingRegistersAsync(1, 100, 2);
                ushort[] rightReg = await _modbusMaster.ReadHoldingRegistersAsync(1, 102, 2);
                ushort[] binocularReg = await _modbusMaster.ReadHoldingRegistersAsync(1, 104, 2);

                // 2. 把寄存器数据转成float
                float leftEye = ConvertRegistersToFloat(leftReg);
                float rightEye = ConvertRegistersToFloat(rightReg);
                float binocularEye = ConvertRegistersToFloat(binocularReg);

                // 3. 新增一条记录
                var now = DateTime.Now;
                var newRecord = new RecordList
                {
                    Id = _recordList.Count + 1,
                    Date = now.ToString("yyyy-MM-dd"),
                    Time = now.ToString("HH:mm:ss"),
                    LeftEyeArea = leftEye,
                    RightEyeArea = rightEye,
                    BinocularArea = binocularEye
                };

                // 4. 添加到表格（UI自动更新）
                _recordList.Add(newRecord);

                MessageBox.Show("数据读取成功，已添加到表格！");
            }
            catch (Exception ex)
            {
                MessageBox.Show($"读取设备数据失败：{ex.Message}");
            }
        }

        // 工具方法：Modbus寄存器转float
        private float ConvertRegistersToFloat(ushort[] registers)
        {
            byte[] bytes = new byte[4];
            bytes[0] = (byte)(registers[0] >> 8);
            bytes[1] = (byte)(registers[0] & 0xFF);
            bytes[2] = (byte)(registers[1] >> 8);
            bytes[3] = (byte)(registers[1] & 0xFF);
            return BitConverter.ToSingle(bytes, 0);
        }
        //#endregion
        //#region 2. 清除表格数据
        private void btnClear_Click(object sender, RoutedEventArgs e)
        {
            // 确认清除
            if (MessageBox.Show("确定要清除所有记录吗？", "确认", MessageBoxButton.YesNo) == MessageBoxResult.Yes)
            {
                _recordList.Clear();
                MessageBox.Show("数据已清除！");
            }
        }
        //#endregion
        //#region 3. 保存为Excel
        private void btnSave_Click(object sender, RoutedEventArgs e)
        {
            // 你表格的数据源 👇
            var dataList = RecordDataGrid.ItemsSource as IEnumerable<RecordList>;

            if (dataList == null || !dataList.Any())
            {
                MessageBox.Show("没有数据可保存！");
                return;
            }

            Microsoft.Win32.SaveFileDialog save = new Microsoft.Win32.SaveFileDialog();
            save.Filter = "Excel 文件|*.xlsx";
            save.FileName = "测试记录_" + DateTime.Now.ToString("yyyyMMddHHmmss");

            if (save.ShowDialog() != true) return;

            using (ExcelPackage package = new ExcelPackage())
            {
                ExcelWorksheet sheet = package.Workbook.Worksheets.Add("测试记录");

                // 表头
                sheet.Cells["A1"].Value = "编号";
                sheet.Cells["B1"].Value = "时间";
                sheet.Cells["C1"].Value = "日期";
                sheet.Cells["D1"].Value = "左目视野面积";
                sheet.Cells["E1"].Value = "右目视野面积";
                sheet.Cells["F1"].Value = "双目视野面积";

                // 写入数据
                int row = 2;
                foreach (var item in dataList)


                {
                    sheet.Cells[row, 1].Value = item.Id;
                    sheet.Cells[row, 2].Value = item.Time;
                    sheet.Cells[row, 3].Value = item.Date;
                    sheet.Cells[row, 4].Value = item.LeftEyeArea;
                    sheet.Cells[row, 5].Value = item.RightEyeArea;
                    sheet.Cells[row, 6].Value = item.BinocularArea;
                    row++;
                }

                // 保存
                File.WriteAllBytes(save.FileName, package.GetAsByteArray());
            }

            MessageBox.Show("保存成功！");
        }
        //#endregion

        private void Page_Loaded(object sender, RoutedEventArgs e)
        {
            //InitializeModbusTcp();

        }

        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();
    }
}