using PdfSharpCore.Drawing;
using PdfSharpCore.Pdf;
using PdfSharpCore.Utils;
using System;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Globalization;
using System.IO;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Media;

namespace EmptyLoadTest
{
    // 数据模型
    public class ReportItem
    {
        public int Index { get; set; }
        public DateTime Time { get; set; }
        public double Torque { get; set; }
        public int Speed { get; set; }
        public double Pressure { get; set; }
        public string Status { get; set; }
        public string Notes { get; set; }
    }

    // 状态到颜色的转换器
    public class StatusToColorConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value is string status)
            {
                return status switch
                {
                    //"正常" => new SolidColorBrush(Color.FromRgb(39, 174, 96)),   // 绿色
                    //"警告" => new SolidColorBrush(Color.FromRgb(230, 126, 34)),  // 橙色
                    //"错误" => new SolidColorBrush(Color.FromRgb(231, 76, 60)),   // 红色
                    _ => new SolidColorBrush(Color.FromRgb(52, 73, 94))          // 默认深蓝色
                };
            }
            return new SolidColorBrush(Color.FromRgb(52, 73, 94));
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }

    // 视图模型
    public class ReportViewModel : INotifyPropertyChanged
    {
        private ObservableCollection<ReportItem> _reportData;
        public ObservableCollection<ReportItem> ReportData
        {
            get => _reportData;
            set
            {
                _reportData = value;
                OnPropertyChanged(nameof(ReportData));
                UpdateStatistics();
            }
        }

        private int _dataCount;
        public int DataCount
        {
            get => _dataCount;
            set
            {
                _dataCount = value;
                OnPropertyChanged(nameof(DataCount));
            }
        }

        private int _normalCount;
        public int NormalCount
        {
            get => _normalCount;
            set
            {
                _normalCount = value;
                OnPropertyChanged(nameof(NormalCount));
            }
        }

        private int _warningCount;
        public int WarningCount
        {
            get => _warningCount;
            set
            {
                _warningCount = value;
                OnPropertyChanged(nameof(WarningCount));
            }
        }

        private int _errorCount;
        public int ErrorCount
        {
            get => _errorCount;
            set
            {
                _errorCount = value;
                OnPropertyChanged(nameof(ErrorCount));
            }
        }

        public ReportViewModel(ObservableCollection<ReportItem> realData = null)
        {
            if (realData != null && realData.Count > 0)
            {
                // 使用传入的真实数据
                ReportData = realData;


            }

            UpdateStatistics();
        }

        private void UpdateStatistics()
        {
            if (ReportData == null) return;

            DataCount = ReportData.Count;
            //NormalCount = ReportData.Count(item => item.Status == "正常");
            //WarningCount = ReportData.Count(item => item.Status == "警告");
            //ErrorCount = ReportData.Count(item => item.Status == "错误");
        }

        public event PropertyChangedEventHandler PropertyChanged;
        protected virtual void OnPropertyChanged(string propertyName)
        {
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
        }

        // 在 ReportViewModel 类中添加这个方法
        public void ExportData()
        {
            try
            {
                var saveDialog = new Microsoft.Win32.SaveFileDialog
                {
                    Filter = "CSV文件|*.csv",
                    FileName = $"过程报表_{DateTime.Now:yyyyMMdd_HHmmss}.csv",
                    Title = "导出报表"
                };

                if (saveDialog.ShowDialog() == true)
                {
                    using (var writer = new StreamWriter(saveDialog.FileName, false, System.Text.Encoding.UTF8))
                    {
                        writer.WriteLine("序号,时间,实时扭矩(N.cm),实时转速(Rad/Min)");

                        foreach (var item in ReportData)
                        {
                            writer.WriteLine($"{item.Index},{item.Time:HH:mm:ss},{item.Torque:F1},{item.Speed}");
                        }
                    }

                    MessageBox.Show($"报表已导出到：{saveDialog.FileName}", "导出成功");
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show($"导出失败：{ex.Message}", "错误");
            }
        }

        public void Clear()
        {
            ReportData = new ObservableCollection<ReportItem>();

        }


        public void ExportToPdfUsingPdfSharp()
        {
            try
            {
                var saveDialog = new Microsoft.Win32.SaveFileDialog
                {
                    Filter = "PDF文件|*.pdf",
                    FileName = $"过程报表_{DateTime.Now:yyyyMMdd_HHmmss}.pdf"
                };

                if (saveDialog.ShowDialog() == true)
                {
                    // 创建PDF文档
                    PdfDocument document = new PdfDocument();
                    document.Info.Title = "医用刨削器过程测试报表";
                    document.Info.Author = "测试系统";
                    document.Info.CreationDate = DateTime.Now;

                    // 添加页面
                    PdfPage page = document.AddPage();
                    XGraphics gfx = XGraphics.FromPdfPage(page);

                    // 直接使用系统中文字体名称（Windows系统）
                    // 常见的系统中文字体：
                    // "Microsoft YaHei" - 微软雅黑 (Windows 7+)
                    // "SimSun" - 宋体
                    // "SimHei" - 黑体
                    // "KaiTi" - 楷体
                    string fontName = "Microsoft YaHei"; // 使用微软雅黑

                    XFont titleFont = new XFont(fontName, 20, PdfSharpCore.Drawing.XFontStyle.Bold);
                    XFont headerFont = new XFont(fontName, 12, PdfSharpCore.Drawing.XFontStyle.Bold);
                    XFont normalFont = new XFont(fontName, 10, PdfSharpCore.Drawing.XFontStyle.Regular);

                    // 页面尺寸
                    double pageWidth = page.Width;
                    double margin = 50;
                    double yPos = margin;

                    // 1. 标题
                    gfx.DrawString("医用刨削器过程测试报表", titleFont, XBrushes.Black,
                        new XRect(0, yPos, pageWidth, 30), XStringFormats.TopCenter);
                    yPos += 40;

                    // 2. 生成时间
                    gfx.DrawString($"生成时间：{DateTime.Now:yyyy年MM月dd日 HH:mm:ss}", headerFont, XBrushes.Black,
                        new XRect(0, yPos, pageWidth, 20), XStringFormats.TopCenter);
                    yPos += 30;

                    // 3. 统计信息
                    string stats = $"数据总数：{DataCount} | 正常：{NormalCount} | 警告：{WarningCount} | 错误：{ErrorCount}";
                    gfx.DrawString(stats, headerFont, XBrushes.DarkBlue,
                        new XRect(margin, yPos, pageWidth - 2 * margin, 20), XStringFormats.TopLeft);
                    yPos += 30;

                    // 4. 表格标题
                    gfx.DrawString("测试过程数据明细", headerFont, XBrushes.Black,
                        new XRect(margin, yPos, pageWidth - 2 * margin, 20), XStringFormats.TopLeft);
                    yPos += 25;

                    // 5. 绘制表格
                    double columnWidth = (pageWidth - 2 * margin) / 4;
                    double rowHeight = 20;

                    // 表头
                    gfx.DrawString("序号", headerFont, XBrushes.Black, margin, yPos);
                    gfx.DrawString("时间", headerFont, XBrushes.Black, margin + columnWidth, yPos);
                    gfx.DrawString("扭矩(N.cm)", headerFont, XBrushes.Black, margin + columnWidth * 2, yPos);
                    gfx.DrawString("转速(rad/min)", headerFont, XBrushes.Black, margin + columnWidth * 3, yPos);

                    yPos += rowHeight;

                    // 数据行
                    int rowCount = 0;
                    foreach (var item in ReportData)
                    {
                        // 检查是否需要换页
                        if (yPos + rowHeight > page.Height - margin && rowCount > 0)
                        {
                            // 添加新页面
                            page = document.AddPage();
                            gfx = XGraphics.FromPdfPage(page);
                            yPos = margin;

                            // 在新页面绘制表头
                            gfx.DrawString("序号", headerFont, XBrushes.Black, margin, yPos);
                            gfx.DrawString("时间", headerFont, XBrushes.Black, margin + columnWidth, yPos);
                            gfx.DrawString("扭矩(N.cm)", headerFont, XBrushes.Black, margin + columnWidth * 2, yPos);
                            gfx.DrawString("转速(rad/min)", headerFont, XBrushes.Black, margin + columnWidth * 3, yPos);
                            yPos += rowHeight;
                        }

                        gfx.DrawString(item.Index.ToString(), normalFont, XBrushes.Black, margin, yPos);
                        gfx.DrawString(item.Time.ToString("HH:mm:ss"), normalFont, XBrushes.Black, margin + columnWidth, yPos);
                        gfx.DrawString(item.Torque.ToString("F1"), normalFont, XBrushes.Black, margin + columnWidth * 2, yPos);
                        gfx.DrawString(item.Speed.ToString(), normalFont, XBrushes.Black, margin + columnWidth * 3, yPos);

                        yPos += rowHeight;
                        rowCount++;
                    }

                    // 保存PDF
                    document.Save(saveDialog.FileName);

                    MessageBox.Show($"PDF已导出到：{saveDialog.FileName}", "导出成功");
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show($"PDF导出失败：{ex.Message}", "错误");
            }
        }
    }

    // 在窗口的代码后台设置DataContext
    public partial class ProcessReportWindow : Window
    {
        public ProcessReportWindow()
        {
            InitializeComponent();

            var emergencyWindow = EmergencyStopWindow.Instance;
            var realData = emergencyWindow?.GetReportData();

            if (realData != null && realData.Count > 0)
            {
                // 使用真实数据
                DataContext = new ReportViewModel(realData);
                var masx = realData.Select(s => s.Torque).ToList();
                var lasttime_ = realData.Max(s => s.Time);
                if (realData.Count > 0)
                {
                    maxForce.Text = masx.Max().ToString("F3");
                    lasttime.Text = "最后刷新：" + lasttime_.ToString("yyyy-MM-dd HH:mm:ss");
                }

            }
            else
            {
                // 如果没有真实数据，使用示例数据
                DataContext = new ReportViewModel();
            }
        }

        // 3. 修正单例逻辑：确保单例的 ReportData 可被外部修改，不丢失数据
        private static ProcessReportWindow _instance;
        // 加锁保证线程安全
        private static readonly object _lock = new object();
        public static ProcessReportWindow Instance
        {
            get
            {
                lock (_lock)
                {
                    if (_instance == null || !_instance.IsLoaded)
                    {
                        _instance = new ProcessReportWindow(); // 使用无参构造，初始化空数据
                    }
                    return _instance;
                }
            }
        }

        private void Button_Click(object sender, RoutedEventArgs e)
        {
            var mainWindow = EmergencyStopWindow.Instance;

            if (!mainWindow.IsVisible)
            {
                mainWindow.Show();
            }
            else
            {
                mainWindow.Activate();
            }

            Close();
        }

        private void Button_Click_1(object sender, RoutedEventArgs e)
        {
            if (DataContext is ReportViewModel viewModel)
            {
                viewModel.ExportData();
            }
        }

        private void Button_Click_2(object sender, RoutedEventArgs e)
        {
            if (DataContext is ReportViewModel viewModel)
            {
                viewModel.ExportToPdfUsingPdfSharp();
            }
        }

        private void Button_Click_3(object sender, RoutedEventArgs e)
        {
            var mainWindow = MainWindow.Instance;

            if (!mainWindow.IsVisible)
            {
                mainWindow.Show();
            }
            else
            {
                mainWindow.Activate();
            }

            Close();
        }

        private void Button_Click_4(object sender, RoutedEventArgs e)
        {
            if (DataContext is ReportViewModel viewModel)
            {
                var emergencyWindow = EmergencyStopWindow.Instance;
                emergencyWindow?.ClearReportData();
                viewModel.Clear();
            }

        }

        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            if (DataContext is ReportViewModel viewModel)
            {
                viewModel.ExportData();
            }
        }
    }
}