using Dapper;
using Modbus.Device;
using MySql.Data.MySqlClient;
using System;
using System.Collections.ObjectModel;
using System.Configuration;
using System.IO;
using System.Net.Sockets;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using 自救器呼吸器综合检验仪.Data;

namespace 自救器呼吸器综合检验仪
{

    public partial class ReportWindow : Window
    {
        private MainWindow _mainWindow;
        private ReportWindow _reportWindow;

        public ObservableCollection<TestRecord> _records;
        // 添加静态集合来保持数据
        private static ObservableCollection<TestRecord> _staticRecords = new ObservableCollection<TestRecord>();

        private static readonly string ReportFilePath = System.IO.Path.Combine(
            Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments),
            "氧气自救器检验报表.csv");
        Function ma;
        private TcpClient _tcpClient => ModbusResourceManager.Instance.TcpClient;
        private IModbusMaster _modbusMaster => ModbusResourceManager.Instance.ModbusMaster;
        public ReportWindow()
        {
            InitializeComponent();
            _records = new ObservableCollection<TestRecord>();
            _records = _staticRecords;
            dataGrid.ItemsSource = _records;
        }

        // 添加新记录
        public void AddRecord(string time, string date, double flowRate, string duration, double flowRate2, string no)
        {
            var record = new TestRecord
            {
                Id = _records.Count + 1,
                Time = time,
                Date = date,
                FlowRate = flowRate,
                Duration = duration,
                CreateTime = DateTime.Now,
                FlowRate2 = flowRate2,
                No = no

            };

            _records.Insert(0, record); // 新记录插入到最前面
            SaveRecords(time, date, flowRate, duration, flowRate2, no);
        }


        // 保存记录到文件
        private void SaveRecords(string time, string date, double flowRate, string duration, double flowRate2, string No)
        {
            try
            {
                using (var connection = new MySqlConnection(DatabaseConfig.ConnectionString))
                {
                    connection.Open();

                    var sql = @"INSERT INTO test_records (Time, Date, FlowRate, Duration, CreateTime,FlowRate2,No,Type)
                               VALUES (@Time, @Date, @FlowRate, @Duration, @CreateTime,@FlowRate2,@No,0)";

                    var record = new TestRecord
                    {
                        Time = time,
                        Date = date,
                        FlowRate = flowRate,
                        Duration = duration,
                        CreateTime = DateTime.Now,
                        FlowRate2 = flowRate2,
                        No = No
                    };

                    connection.Execute(sql, record);

                }
            }
            catch (Exception ex)
            {
                MessageBox.Show($"保存记录失败：{ex.Message}", "错误",
                    MessageBoxButton.OK, MessageBoxImage.Error);
            }

        }

        private void BtnExport_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                // 数据校验：无数据时给出友好提示
                if (_records == null || _records.Count == 0)
                {
                    MessageBox.Show("没有数据可导出", "提示",
                        MessageBoxButton.OK, MessageBoxImage.Information);
                    return;
                }

                // 保存文件对话框：后缀改为.xls，支持Excel直接打开
                var saveDialog = new Microsoft.Win32.SaveFileDialog
                {
                    FileName = $"氧气自救器_供养量检验报表_{DateTime.Now:yyyyMMdd_HHmmss}.xls",
                    Filter = "Excel文件 (*.xls)|*.xls|所有文件 (*.*)|*.*",
                    Title = "导出供氧量检验报表"
                };

                if (saveDialog.ShowDialog() == true)
                {
                    // 构建HTML表格（核心：通过CSS定义居中、列宽、样式，Excel可识别）
                    var htmlBuilder = new System.Text.StringBuilder();
                    htmlBuilder.AppendLine("<html><body>");
                    // 表格整体样式：带边框、边框合并、统一字体（微软雅黑）
                    htmlBuilder.AppendLine("<table border='1' style='border-collapse:collapse; font-family:微软雅黑; font-size:11px;'>");

                    // 1. 表头行：居中+加粗+加宽列宽（重点优化长内容列）
                    htmlBuilder.AppendLine("<tr style='background-color:#f0f0f0;'>");
                    htmlBuilder.AppendLine("<th style='width:100px; text-align:center; font-weight:bold; padding:6px;'>编号</th>");
                    htmlBuilder.AppendLine("<th style='width:140px; text-align:center; font-weight:bold; padding:6px;'>日期</th>"); // 加宽
                    htmlBuilder.AppendLine("<th style='width:100px; text-align:center; font-weight:bold; padding:6px;'>时间</th>");
                    htmlBuilder.AppendLine("<th style='width:160px; text-align:center; font-weight:bold; padding:6px;'>定量供氧流量(L/min)</th>"); // 加宽（字段名较长）
                    htmlBuilder.AppendLine("<th style='width:160px; text-align:center; font-weight:bold; padding:6px;'>自动/手动补给供氧量(L/min)</th>");
                    htmlBuilder.AppendLine("<th style='width:90px; text-align:center; font-weight:bold; padding:6px;'>样品编号</th>");
                    htmlBuilder.AppendLine("<th style='width:140px; text-align:center; font-weight:bold; padding:6px;'>测试时长</th>"); // 加宽（支持时长格式）
                    htmlBuilder.AppendLine("<th style='width:160px; text-align:center; font-weight:bold; padding:6px;'>记录时间</th>"); // 加宽
                    htmlBuilder.AppendLine("</tr>");

                    // 2. 数据行：居中对齐+数值格式化（供氧流量保留2位小数）
                    foreach (var record in _records)
                    {
                        htmlBuilder.AppendLine("<tr>");
                        // 每个单元格强制居中，添加内边距避免拥挤
                        htmlBuilder.AppendLine($"<td style='text-align:center; padding:6px;'>{record.Id.ToString() ?? ""}</td>");
                        htmlBuilder.AppendLine($"<td style='text-align:center; padding:6px;'>{record.Date?.ToString() ?? ""}</td>");
                        htmlBuilder.AppendLine($"<td style='text-align:center; padding:6px;'>{record.Time?.ToString() ?? ""}</td>");
                        htmlBuilder.AppendLine($"<td style='text-align:center; padding:6px;'>{record.FlowRate:F2}</td>"); // 供氧流量（2位小数，匹配单位）
                        htmlBuilder.AppendLine($"<td style='text-align:center; padding:6px;'>{record.FlowRate2:F2}</td>"); // 供氧流量（2位小数，匹配单位）
                        htmlBuilder.AppendLine($"<td style='text-align:center; padding:6px;'>{record.No?.ToString() ?? ""}</td>"); // 样品编号
                        htmlBuilder.AppendLine($"<td style='text-align:center; padding:6px;'>{record.Duration?.ToString() ?? ""}</td>"); // 测试时长
                        htmlBuilder.AppendLine($"<td style='text-align:center; padding:6px;'>{record.CreateTime:yyyy/MM/dd HH:mm:ss}</td>"); // 记录时间
                        htmlBuilder.AppendLine("</tr>");
                    }

                    // 闭合HTML标签，确保格式正确
                    htmlBuilder.AppendLine("</table></body></html>");

                    // 保存文件（UTF-8编码，彻底避免中文乱码）
                    System.IO.File.WriteAllText(saveDialog.FileName, htmlBuilder.ToString(), Encoding.UTF8);

                    // 导出成功提示：明确告知用户格式已自动设置
                    MessageBox.Show(
                        $"报表已成功导出到：\n{saveDialog.FileName}\n\n",
                        "导出成功（格式已自动设置）",
                        MessageBoxButton.OK, MessageBoxImage.Information);
                }
            }
            catch (Exception ex)
            {
                // 异常捕获：给出具体错误信息，便于排查
                MessageBox.Show($"导出失败：{ex.Message}", "错误",
                    MessageBoxButton.OK, MessageBoxImage.Error);
            }
        }
        private void BtnClear_Click(object sender, RoutedEventArgs e)
        {
            var result = MessageBox.Show("确定要清空所有记录吗？此操作不可恢复！",
                "确认清空", MessageBoxButton.YesNo, MessageBoxImage.Warning);

            if (result == MessageBoxResult.Yes)
            {
                _records.Clear();
                MessageBox.Show("记录已清空", "提示",
                    MessageBoxButton.OK, MessageBoxImage.Information);
            }
        }

        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            string plcIp = "192.168.1.10";
            bool initSuccess = Data.ModbusResourceManager.Instance.Init(plcIp, 502);
            if (!initSuccess)
            {
                MessageBox.Show("连接Modbus服务器失败！", "错误");
                this.Close();
                return;
            }

            // 检查连接状态
            if (_tcpClient == null || !_tcpClient.Connected)
            {
                MessageBox.Show("Modbus连接异常！", "错误");
                this.Close();
                return;
            }

            ma = new Function(_modbusMaster);
        }



        private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
        {

            // 停止ViewModel的定时器
            if (DataContext is MainViewModel viewModel)
            {
                viewModel.StopTimer();
            }

            // 释放Modbus资源
            ModbusResourceManager.Instance?.Dispose();

            // 延后到当前窗口完成关闭后再统一关停，避免关闭重入。
            AppShutdownCoordinator.RequestShutdown();
        }
        private void Window_Closed(object sender, EventArgs e)
        {
            // 由应用级关停统一处理其他窗口，避免关闭链路重入。
        }

        private void BtnPrint_Click(object sender, RoutedEventArgs e)
        {
            if (_records == null || _records.Count == 0)
            {
                MessageBox.Show("无数据，不可打印", "提示",
                    MessageBoxButton.OK, MessageBoxImage.Information);
                return;
            }

            ma.BtnClickFunctionForNew(Function.ButtonType.切换型, 15);
        }

        private bool TryReconnect()
        {
            try
            {
                string plcIp = "192.168.1.10";
                bool initSuccess = Data.ModbusResourceManager.Instance.Init(plcIp, 502);
                if (initSuccess)
                {
                    ma = new Function(_modbusMaster);
                    return true;
                }
            }
            catch (Exception ex)
            {
                //ShowErrorMsg($"重新连接失败：{ex.Message}");
            }
            return false;
        }

        private void SwitchWindow<T>(ref T windowInstance, Func<T> createFunc) where T : Window, new()
        {

            // 2. 检查资源是否可用（添加重连机制）
            if (_tcpClient == null || !_tcpClient.Connected || _modbusMaster == null)
            {
                // 尝试重新连接
                bool reconnectSuccess = TryReconnect();
                if (!reconnectSuccess)
                {
                    MessageBox.Show("TCP连接已断开，请重新连接！", "提示");
                    return;
                }
            }

            // 3. 复用窗口实例：不存在则创建，存在则激活
            if (windowInstance == null)
            {
                windowInstance = createFunc();
                // 添加窗口关闭事件处理
                windowInstance.Closed += (s, args) =>
                {
                    WindowNavigationHelper.RestoreWindow(this);
                };
            }
            else
            {
                WindowNavigationHelper.ShowWithoutWhiteFlash(this, windowInstance);
                return;
            }

            WindowNavigationHelper.ShowWithoutWhiteFlash(this, windowInstance);
        }

        private void BtnClose_Click(object sender, RoutedEventArgs e)
        {
            SwitchWindow(ref _mainWindow, () => new MainWindow());
        }
    }
}