using MV485.Dlg;
using MV485.helper;
using MV485.model;
using MV485.util;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
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 Path = System.IO.Path;

namespace MV485.uc
{
    /// <summary>
    /// UCDeviceConfig.xaml 的交互逻辑
    /// </summary>
    public partial class UCDeviceConfig : UserControl
    {
        private static readonly string LogFilePath = 
            Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Documents", "config_log.txt");

        private RWBasicConfig _rwBaseConfig = null;
        private List<LogEntry> _logEntries = new List<LogEntry>();

        private BasicConfig _readConfig;


        public UCDeviceConfig()
        {
            InitializeComponent();
            InitLoad();
            LoadConfigLog();
        }

        //初始化加载
        private void LoadSerialPorts()
        {
            Dispatcher.BeginInvoke(new Action(() =>
            {
                cmbPortNames.ItemsSource = SerialHelper.GetSerialPortsWithDetails();
                if (cmbPortNames.Items.Count > 0)
                    cmbPortNames.SelectedIndex = 0;

                var portName = ConfigManager.Instance.GetConfigValue(ConfigKey.ConfigPortName, "");
                cmbPortNames.SelectedValue = portName;
            }));
        }

        private void InitLoad()
        {
            //与设备通信的参数
            cmbBaudrate.ItemsSource = SerialHelper.BaudRates;
            var baudrates = ConfigManager.Instance.GetConfigValue(ConfigKey.ConfigBaudrate, "9600");
            cmbBaudrate.SelectedValue = baudrates;
            cmbDevId.ItemsSource = Enumerable.Range(1, 247).ToList();
            var devId = ConfigManager.Instance.GetConfigValue(ConfigKey.ConfigDevId, "1");
            cmbDevId.Text = devId;
            //从设备读取或要设置的参数
            cmbDevBaudrate.ItemsSource = SerialHelper.BaudRates;
            cmbDevAddress.ItemsSource = Enumerable.Range(1, 247).ToList();

            LoadSerialPorts();
            InitConfiView();
        }
        private void btnRefreshPorts_Click(object sender, RoutedEventArgs e)
        {
            LoadSerialPorts();
            AppendLog("串口列表已刷新");
        }

        private void CmbPortNames_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            //var portName = cmbPortNames.SelectedValue.ToString();
            //ConfigManager.Instance.UpdateConfig(ConfigKey.ConfigPortName, portName);
        }

        private async void BtnReadConfig_Click(object sender, RoutedEventArgs e)
        {
            //串口号
            if(cmbPortNames.SelectedItem == null)
            {
                MessageBox.Show(Application.Current.MainWindow, "请选择串口", "提示",
                    MessageBoxButton.OK, MessageBoxImage.Warning);
                return;
            }
            var portName = cmbPortNames.SelectedValue.ToString();
            ConfigManager.Instance.UpdateConfig(ConfigKey.ConfigPortName, portName);

            //波特率
            if(cmbBaudrate.SelectedItem == null)
            {
                MessageBox.Show(Application.Current.MainWindow, "请选择波特率", "提示",
                    MessageBoxButton.OK, MessageBoxImage.Warning);
                return;
            }
            var sBaudrate = cmbBaudrate.SelectedValue.ToString();
            ConfigManager.Instance.UpdateConfig(ConfigKey.ConfigBaudrate, sBaudrate);


            if(!byte.TryParse(cmbDevId.Text,out byte devid) || devid < 0 || devid > 247){
                MessageBox.Show(Application.Current.MainWindow, "请输入正确的设备地址", "提示",
                    MessageBoxButton.OK, MessageBoxImage.Warning);
                return;
            }
            ConfigManager.Instance.UpdateConfig(ConfigKey.ConfigDevId, devid.ToString());

            //开始读取RS485设备的参数
            _rwBaseConfig = new RWBasicConfig();

            int baudrate = int.Parse(sBaudrate);

            //显示等待串口
            string titleInfo = "正在读取设备的基本参数";
            WaitWindow waitWindow = new WaitWindow(titleInfo)
            {
                Owner = Application.Current.MainWindow,
                WindowStartupLocation = WindowStartupLocation.CenterOwner
            };
            waitWindow.Show();
            InitConfiView();

            try
            {
                _rwBaseConfig = new RWBasicConfig();
                _rwBaseConfig.RWLog += _rwBaseConfig_RWLog;
                _rwBaseConfig.SerialConnected += _rwBaseConfig_SerialConnected;
                _rwBaseConfig.SerialStatusChanged += _rwBaseConfig_SerialStatusChanged;
                BasicConfig basicConfig = await Task.Run(() => _rwBaseConfig.ReadBasicConfig(portName, baudrate, devid));
                _readConfig = basicConfig;  //记录读取的配置
                if (basicConfig != null)
                {
                    LoadViewWithBasicConfig(basicConfig);
                    cmbDevBaudrate.IsEnabled = true;
                    cmbDevAddress.IsEnabled = true;
                    txtResult.Text = "已成功读取设备参数";
                    txtResult.Foreground = Brushes.Green;
                    AppendLog("已成功读取设备参数");
                }
                else
                {
                    txtResult.Text = "读取设备参数失败";
                    txtResult.Foreground = Brushes.Red;
                    AppendLog("读取设备参数失败");
                }
            }
            catch { }
            finally
            {
                waitWindow.Close();
            }
        }

        //根据配置值加载页面
        private void LoadViewWithBasicConfig(BasicConfig config)
        {
            InitConfiView();
            txtDevType.Text = config.DeviceType;
            txtDevSn.Text = config.DeviceSn;
            txtFireware.Text = config.FireWare;
            txtParty.Text = config.ParityName;
            txtDataBits.Text = config.DataBitsName;
            txtStopBits.Text = config.StopbitsName;
            cmbDevBaudrate.SelectedValue = config.BaudRate.ToString();
            cmbDevAddress.Text = config.DeviceAddress.ToString();
            btnSetConifg.IsEnabled = true;
            //cmbDevBaudrate.IsEnabled = true;
            //cmbDevAddress.IsEnabled = true;
        }

        private void InitConfiView()
        {
            txtDevType.Text = "";
            txtDevSn.Text = "";
            txtFireware.Text = "";
            txtParty.Text = "";
            txtDataBits.Text = "";
            txtStopBits.Text = "";
            cmbDevBaudrate.SelectedItem = null;
            cmbDevAddress.Text = "";
            cmbDevBaudrate.IsEnabled = false;
            cmbDevAddress.IsEnabled = false;
            txtResult.Text = "";
            btnSetConifg.IsEnabled = false;
        }


        private void _rwBaseConfig_RWLog(string message)
        {
            AppendLog(message);
        }

        private void _rwBaseConfig_SerialConnected(bool obj)
        {
            //throw new NotImplementedException();
        }


        private void _rwBaseConfig_SerialStatusChanged(bool obj)
        {
            //throw new NotImplementedException();
        }

        private void TextBox_PreviewTextInput(object sender, TextCompositionEventArgs e)
        {
            if (e.Text.All(char.IsDigit))
            {
                e.Handled = false;  // 如果是数字，允许输入
            }
            else
            {
                // 如果当前输入的字符不是数字，并且是中文输入法的拼音或候选字，禁止输入
                e.Handled = true;
            }
        }

        private async void BtnSetConifg_Click(object sender, RoutedEventArgs e)
        {
            if (!LicenseMana.mIsLicensed)
            {
                MessageBox.Show(Application.Current.MainWindow, "软件未注册，不能使用此功能。", "提示",
                    MessageBoxButton.OK, MessageBoxImage.Information);
                return;
            }

            //bool isRead = _rwBaseConfig?.IsRead ?? false;
            //if (!isRead)
            if(_readConfig == null)
            {
                MessageBox.Show(Application.Current.MainWindow, "请先读取参数", "提示", 
                    MessageBoxButton.OK, MessageBoxImage.Warning);
                return;
            }

            if(cmbDevBaudrate.SelectedItem == null)
            {
                MessageBox.Show(Application.Current.MainWindow, "请选择波特率", "提示",
                    MessageBoxButton.OK, MessageBoxImage.Warning);
                return;
            }
            var sBaudrate = cmbBaudrate.SelectedValue.ToString();


            if (!byte.TryParse(cmbDevAddress.Text, out byte devAddress) || devAddress < 0 || devAddress > 247)
            {
                MessageBox.Show(Application.Current.MainWindow, "请输入正确的设备地址", "提示",
                    MessageBoxButton.OK, MessageBoxImage.Warning);
                return;
            }

            string sBaudRate = cmbDevBaudrate.SelectedValue.ToString();
            int baudRate = int.Parse(sBaudRate);
            

            BasicConfig writeConfig = new BasicConfig()
            {
                BaudRate = baudRate,
                DeviceAddress = devAddress
            };

            //判断是否有变化

            if(_readConfig.BaudRate == writeConfig.BaudRate && 
                _readConfig.DeviceAddress == writeConfig.DeviceAddress)
            {
                MessageBox.Show(Application.Current.MainWindow, "设置值与读取值无变化,设置无效", "提示",
                    MessageBoxButton.OK, MessageBoxImage.Warning);
                return;
            }

            //显示等待串口
            string titleInfo = "正在设置设备的基本参数";
            WaitWindow waitWindow = new WaitWindow(titleInfo)
            {
                Owner = Application.Current.MainWindow,
                WindowStartupLocation = WindowStartupLocation.CenterOwner
            };
            waitWindow.Show();
            //InitConfiView();

            //btnSetConifg.IsEnabled = false;

            try
            {
                bool blSuccess= await Task.Run(() => _rwBaseConfig.WriteBasicConfig(_readConfig,writeConfig));
                //bool blSuccess = await _rwBaseConfig.WriteBasicConfig(_readConfig, writeConfig);

                if (blSuccess)
                {
                    cmbDevBaudrate.IsEnabled = true;
                    cmbDevAddress.IsEnabled = true;
                    txtResult.Text = "已成功设置设备参数";
                    txtResult.Foreground = Brushes.Green;
                    AppendLog("已成功设置设备参数");
                    //自动回填读参数列表
                    if (chkFillReadParams.IsChecked == true)
                    {
                        if(_readConfig.BaudRate != writeConfig.BaudRate)
                        {
                            cmbBaudrate.SelectedValue = writeConfig.BaudRate.ToString();
                            AppendLog($"回填波特率{_readConfig.BaudRate}->{writeConfig.BaudRate}");
                        }
                        if(_readConfig.DeviceAddress != writeConfig.DeviceAddress)
                        {
                            cmbDevId.Text = writeConfig.DeviceAddress.ToString();
                            AppendLog($"回填设备地址{_readConfig.DeviceAddress}->{writeConfig.DeviceAddress}");
                        }
                        _readConfig.BaudRate = writeConfig.BaudRate;
                        _readConfig.DeviceAddress = writeConfig.DeviceAddress;
                        btnSetConifg.IsEnabled = true;
                    }
                    else
                    {
                        cmbDevBaudrate.IsEnabled = false;
                        cmbDevAddress.IsEnabled = false;
                        btnSetConifg.IsEnabled = false;
                        _readConfig = null;
                    }
                }
                else
                {
                    txtResult.Text = "设置设备参数失败";
                    txtResult.Foreground = Brushes.Red;
                    AppendLog("设置设备参数失败");
                    btnSetConifg.IsEnabled = true;
                }
            }
            catch { }
            finally
            {
                waitWindow.Close();
            }
        }

        private void btnClearLog_Click(object sender, RoutedEventArgs e)
        {
            _logEntries.Clear();
            lvLogs.ItemsSource = null;
            File.WriteAllText(LogFilePath, "");
            AppendLog("日志已清空");
        }


        private void AppendLog(string message)
        {
            Dispatcher.Invoke(() =>
            {
                var logEntry = new LogEntry { Time = DateTime.Now.ToString("HH:mm:ss.fff"), Message = message };
                _logEntries.Add(logEntry);

                lvLogs.ItemsSource = null;
                lvLogs.ItemsSource = _logEntries;
                lvLogs.ScrollIntoView(logEntry);

                // 确保 Logs 目录存在                
                Directory.CreateDirectory(Path.GetDirectoryName(LogFilePath));

                //File.AppendAllText("config_log.txt", $"{logEntry.Time} - {logEntry.Message}\n");
                // 追加日志
                File.AppendAllText(LogFilePath, $"{logEntry.Time} - {logEntry.Message}\n");
            });
        }

        //读取并加载日志
        private void LoadConfigLog()
        {
            Dispatcher.BeginInvoke(new Action(() =>
            {
                LoadLogs();
            }));
        }

        private void LoadLogs()
        {
            if (!File.Exists(LogFilePath))
                return;

            _logEntries.Clear(); // 先清空已有的日志记录

            //var lines = File.ReadAllLines("config_log.txt");
            var lines = File.ReadAllLines(LogFilePath);

            foreach (var line in lines)
            {
                var parts = line.Split(new[] { " - " }, 2, StringSplitOptions.None);
                if (parts.Length == 2)
                {
                    _logEntries.Add(new LogEntry { Time = parts[0], Message = parts[1] });
                }
            }

            // 更新 ListView
            lvLogs.ItemsSource = null;
            lvLogs.ItemsSource = _logEntries;

            // 滚动到最后一条
            if (_logEntries.Count > 0)
            {
                lvLogs.ScrollIntoView(_logEntries[_logEntries.Count - 1]);
            }
        }

        private void UserControl_SizeChanged(object sender, SizeChangedEventArgs e)
        {
            double totalWidth = lvLogs.ActualWidth;
            double timeColumnWidth = 120; // 时间列固定宽度
            double minMessageWidth = 200; // 消息列的最小宽度
            double newMessageWidth = Math.Max(minMessageWidth, totalWidth - timeColumnWidth - 40); // 计算新宽度

            ((GridView)lvLogs.View).Columns[1].Width = newMessageWidth;
        }

        private void MenuItem_CopyMessage_Click(object sender, RoutedEventArgs e)
        {
            if (lvLogs.SelectedItem is LogEntry logEntry)
            {
                if (!LicenseMana.mIsLicensed)
                {
                    MessageBox.Show(Application.Current.MainWindow, "软件未注册，不能使用此功能。", "提示",
                        MessageBoxButton.OK, MessageBoxImage.Information);
                    return;
                }
                Clipboard.SetText(logEntry.Message);
            }
        }
        //-----------------------------------------------------------------------------
    }
}