using InTheHand.Net.Bluetooth;
using InTheHand.Net.Sockets;
using InTheHand.Net;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Sockets;
using System.Text;
using System.Threading;
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 InTheHand.Windows.Forms;
using System.Windows.Forms;
using MonitoringTechnology.Models;
using Windows.Devices.Bluetooth.GenericAttributeProfile;
using Org.BouncyCastle.Utilities;
using System.Runtime.InteropServices;
using System.Collections.ObjectModel;
using UserControl = System.Windows.Controls.UserControl;
using MonitoringTechnology.ViewModels;
using MaterialDesignThemes.Wpf;
using System.Windows.Markup;
using MonitoringTechnology.Ble;
using MonitoringTechnology.Common;
using System.IO;
using System.Security.Cryptography;
using MonitoringTechnology.Base;
using MD5 = MonitoringTechnology.Common.MD5;
using System.Runtime.CompilerServices;
using System.Windows.Threading;

namespace MonitoringTechnology.Views
{
    /// <summary>
    /// SystemOperationView.xaml 的交互逻辑
    /// </summary>
    public partial class SystemOperationView : UserControl
    {
        private readonly BleManager BleManager = BleManager.Instance;
        private readonly LYScanPageViewModels ViewModel = new LYScanPageViewModels();
        private readonly ObservableCollection<string> Logs = new ObservableCollection<string>();
        public static SystemOperationViewModel systemOperationViewModel = new SystemOperationViewModel();
        public static FileModel FileModel { get; set; } = new FileModel();

        private int LogCount;
        BluetoothRadio Radio = null;     //蓝牙适配器

        static bool isSelect = false;//是否已选择蓝牙设备
        static bool isSending = false;//数据是否定时发送
        public static bool isConnection = false;//是否蓝牙设备出于连接状态


        public SystemOperationView()
        {
            InitializeComponent();
            this.DataContext = systemOperationViewModel;
            systemOperationViewModel._connectDevice = "连接设备";
            listBoxLog.ItemsSource = Logs;
        }

        #region 蓝牙设备搜索与连接

        /// <summary>
        /// 搜索设备
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void SearchDevice_Click(object sender, RoutedEventArgs e)
        {
            Radio = BluetoothRadio.PrimaryRadio;//获取当前PC的蓝牙适配器
            if (Radio == null)
            {
                System.Windows.MessageBox.Show("电脑蓝牙未打开或者未发现！", "提示", MessageBoxButton.OK, MessageBoxImage.Information);
                AddLog("电脑蓝牙未打开或者未发现！");
            }
            else
            {
                LYScanPage lYScanPage = new LYScanPage();
                lYScanPage.ShowDialog();
                return;
            }
        }
        /// <summary>
        /// 连接设备
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void buttonConnect_Click(object sender, RoutedEventArgs e)
        {
            if (isSelect)
            {
                if (systemOperationViewModel.BleDevice.IsConnected)
                {
                    if (isSending == true)
                    {
                        AddLog("请先关闭数据发送功能后，重新尝试！");
                        System.Windows.MessageBox.Show("请先关闭数据发送功能后，重新尝试！", "提示", MessageBoxButton.OK, MessageBoxImage.Information);
                    }
                    else
                    {
                        systemOperationViewModel.BleDevice.Disconnect();
                    }
                }
                else
                {
                    systemOperationViewModel.BleDevice.Connect();
                }
            }
            else
            {
                AddLog("请搜索附近蓝牙设备后重试!!!");
            }
        }
        /// <summary>
        /// 读取设备名称
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private async void buttonRead_Click(object sender, RoutedEventArgs e)
        {
            if (isConnection)
            {
                byte[] data = await systemOperationViewModel.BleDevice.Read(Uuids.GenericAccess, Uuids.DeviceName);
                if (data != null)
                {
                    AddLog($"读取的设备名称: {Encoding.UTF8.GetString(data)}");
                }
            }
            else
            {
                AddLog("请搜索附近蓝牙设备并连接后重试!!!");
            }

        }

        /// <summary>
        /// 系统校时
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void TimeCheck_Click(object sender, RoutedEventArgs e)
        {
            TimeSpan ts = DateTime.Now - new DateTime(1970, 1, 1, 0, 0, 0, 0);
            send_port_time(Convert.ToInt64(ts.TotalSeconds).ToString("X2"));
        }

        /// <summary>
        /// 收数据
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="args"></param>
        private void BleDevice_CharacteristicValueChanged(GattCharacteristic sender, byte[] args)
        {
            AddLog($"收到数据 <<< {args.ToHex()}");
        }

        /// <summary>
        /// 自定义数据显示功能 --数据解析
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="args"></param>
        private void BleDevice_ReceiveValueChanged(GattCharacteristic sender, string  data)
        {
            AddLog($"{data}");
        }

        /// <summary>
        /// 连接按钮
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="args"></param>
        private void BleDevice_ConnectionStateChanged(BleDevice sender, bool args)
        {
            if (args)
            {
                isConnection = true;
                AddLog("连接成功！");
            }
            else
            {
                isConnection = false;
                AddLog("连接已断开！");
            }
            UpdateConnectButton(args);
        }

        /// <summary>
        /// 更新连接按钮信息
        /// </summary>
        /// <param name="connected"></param>
        private void UpdateConnectButton(bool connected)
        {
            buttonConnect.Dispatcher.Invoke(delegate
            {
                if (connected)
                {
                    systemOperationViewModel.connectDevice = "断开连接";
                    MainWindow.mainViewModel.IsConnection = "已连接";
                    MainWindow.mainViewModel.Brush = new SolidColorBrush(Color.FromRgb(0, 255, 127));//设置连接状态颜色-绿色
                    MainWindow.mainViewModel.LYDevice = LYScanPage._bleDevice.Name;
                }
                else
                {
                    systemOperationViewModel.connectDevice = "连接设备";
                    MainWindow.mainViewModel.IsConnection = "未连接";
                    MainWindow.mainViewModel.Brush = new SolidColorBrush(Color.FromRgb(255, 0, 0));//设置连接状态颜色-红色
                }
            });
        }
        /// <summary>
        /// 单次发送数据
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private async void buttonSendOne_Click(object sender, RoutedEventArgs e)
        {
            if (isConnection)
            {
                if (buttonSendOne.Content.ToString() == "单询")
                {

                    List<byte> list = new List<byte>() { 0xFE, 0xEF, 0x00, 0x38, 0x00, 0x02, 0x33, 0x00, 0x4F, 0x63, 0x2C, 0x43, 0x04, 0xD2, 0x0D, 0x31, 0x27, 0xD4, 0x09, 0xAE, 0x09, 0xAE, 0x09, 0xAE, 0x09, 0xAE, 0x09, 0xAE, 0x09, 0xAE, 0x09, 0xAE, 0x09, 0xAE, 0x09, 0xAE, 0x09, 0xAE, 0x00, 0x7D, 0x00, 0x7D, 0x00, 0x7D, 0x00, 0x7D, 0x00, 0x7D, 0x00, 0x7D, 0x00, 0x7D, 0x00, 0x7D, 0x00, 0x7D, 0x00, 0x7D };
                    int a = 0;
                    for (int i = 0; i < list.Count; i++)
                    {
                        a += list[i];
                    }
                    a = a & 0xFF;
                    list.Add((byte)a);
                    list.Add(0x16);
                    byte[] sendmessage = list.ToArray();

                    //byte[] data = systemOperationViewModel.TxDataHex.ToData();//待发送的数据
                    bool success = await systemOperationViewModel.BleDevice.Write(sendmessage);

                    if (success)
                    {
                        //AddLog("发送成功 >>> " + sendmessage.ToHex());
                        AddLog("已查询当前状态数据,请稍等!");
                        PreservationData(sendmessage.ToList(), "单次发送数据");
                    }
                }
                else if (buttonSendOne.Content.ToString() == "停止")
                {
                    buttonSendOne.Content = "单询";
                }
            }
            else
            {
                AddLog("请搜索附近蓝牙设备并连接后重试!!!");
            }
        }

        int[] result = GetRandom(50);
        /// <summary>
        /// 循环发送数据
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void buttonSend_Click(object sender, RoutedEventArgs e)
        {
            if (isConnection)
            {
                if (buttonSend.Content.ToString() == "轮询")
                {
                    List<byte> list = new List<byte>() { 0xFE, 0xEF, 0x00, 0x38, 0x00, 0x02, 0x33, 0x00, 0x4F, 0x63, 0x2C, 0x43, 0x04, 0xD2, 0x0D, 0x31, 0x27, 0xD4, 0x09, 0xAE, 0x09, 0xAE, 0x09, 0xAE, 0x09, 0xAE, 0x09, 0xAE, 0x09, 0xAE, 0x09, 0xAE, 0x09, 0xAE, 0x09, 0xAE, 0x09, 0xAE, 0x00, 0x7D, 0x00, 0x7D, 0x00, 0x7D, 0x00, 0x7D, 0x00, 0x7D, 0x00, 0x7D, 0x00, 0x7D, 0x00, 0x7D, 0x00, 0x7D, 0x00, 0x7D };
                    int a = 0;
                    for (int i = 0; i < list.Count; i++)
                    {
                        a += list[i];
                    }
                    a = a & 0xFF;
                    list.Add((byte)a);
                    list.Add(0x16);
                    byte[] sendmessage = list.ToArray();

                    int time = 3;//间隔
                    isSending = true;
                    Time_Send(time, sendmessage);
                    buttonSend.Content = "停止";
                }
                else if (buttonSend.Content.ToString() == "停止")
                {
                    isSending = false;
                    buttonSend.Content = "轮询";
                }
            }
            else
            {
                AddLog("请搜索附近蓝牙设备并连接后重试!!!");
            }
        }

        /// <summary>
        /// 定时发送数据
        /// </summary>
        /// <param name="time"></param>
        /// <param name="message"></param>
        private async void Time_Send(int time, byte[] message)
        {
            while (isSending)
            {
                //调用发送的那个方法
                bool success = await systemOperationViewModel.BleDevice.Write(message);
                if (success)
                {
                    //AddLog("发送成功 >>> " + message.ToHex());
                    AddLog("定时查询数据中....");
                    PreservationData(message.ToList(), "定时发送数据");
                }
                //间隔
                await Task.Delay(1000 * time);
            }
        }


        /// <summary>
        /// 版本查询
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private async void VersionQueryButton_Click(object sender, RoutedEventArgs e)
        {
            if (isConnection)
            {
                byte[] _send = new byte[] { 0xFE, 0xEF, 0x00, 0x05, 0x00, 0x6F, 0x00, 0x00, 0x16 };
                int a = 0;
                for (int i = 0; i < _send.Length - 2; i++)
                {
                    a += _send[i];
                }
                a = a & 0xFF;
                _send[7] = (byte)a;
                //调用发送的那个方法
                bool success = await systemOperationViewModel.BleDevice.Write(_send);
                if (success)
                {
                    AddLog("已发送版本查询指令，请稍等!");
                    PreservationData(_send.ToList(), "版本查询指令");
                }
            }
            else
            {
                AddLog("请搜索附近蓝牙设备并连接后重试!!!");
            }
        }
        /// <summary>
        /// 文件选择
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void FileSelectionButton_Click(object sender, RoutedEventArgs e)
        {
            OpenFileDialog dialog = new OpenFileDialog();
            dialog.Multiselect = false;//不允许多选
            dialog.Title = "请选择升级程序";//窗口title
            dialog.Filter = "文本文件(*.bin)|*.bin*";//可选择的文件类型
            if (dialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                systemOperationViewModel.FileSelectionData = dialog.FileName;  //获取文件路径
            }
        }

        /// <summary>
        /// 老版本号
        /// </summary>
        public static byte[] old_bbh { get; set; } = new byte[4];

        public static void Setbbh(byte[] bbh)
        {
            for (int i = 0; i < old_bbh.Length; i++)
            {
                old_bbh[i] = bbh[i];
            }
        }

        static byte[] binchar = new byte[] { };
        /// <summary>
        /// 文件发送
        /// </summary>
        /// <param name="o"></param>
        public async void FileSendingButton_Click(object sender, RoutedEventArgs e)
        {
            if (isConnection)
            {
                if (FileSelectionData.Text == null || FileSelectionData.Text == "")
                {
                    AddLog("请选择升级文件!!!");
                    return;
                }

                //读取文件
                int file_len;//bin文件长度

                FileStream MyFile = new FileStream(FileSelectionData.Text, FileMode.Open, FileAccess.Read);
                BinaryReader Reader = new BinaryReader(MyFile);
                file_len = (int)MyFile.Length;
                StringBuilder str = new StringBuilder();
                binchar = Reader.ReadBytes(file_len);
                Reader.Close();

                string md5 = MD5.Encrypt(binchar);
                Console.WriteLine(md5);
                byte[] _md5 = new byte[md5.Length / 2];
                for (int i = 0; i < md5.Length; i += 2)
                {
                    _md5[i / 2] = Convert.ToByte(md5.Substring(i, 2), 16);
                }

                byte[] _send = new byte[] { 0xFE, 0xEF, 0x00, 0x1D, 0x00, 0x6E, 0x00, old_bbh[0], old_bbh[1], old_bbh[2], old_bbh[3], 0x00, 0x00, 0x00, 0x00, _md5[0], _md5[1], _md5[2], _md5[3], _md5[4], _md5[5], _md5[6], _md5[7], _md5[8], _md5[9], _md5[10], _md5[11], _md5[12], _md5[13], _md5[14], _md5[15], 0x00, 0x16 };
                int a = 0;
                for (int i = 0; i < _send.Length - 2; i++)
                {
                    a += _send[i];
                }
                a = a & 0xFF;
                _send[31] = (byte)a;
                //调用发送的那个方法
                bool success = await systemOperationViewModel.BleDevice.Write(_send);
                if (success)
                {
                    AddLog("已发送版本升级指令，请稍等!");
                    PreservationData(_send.ToList(), "版本升级指令");
                }
            }
            else
            {
                AddLog("请搜索附近蓝牙设备并连接后重试!!!");
            }
        }
        #endregion


        #region 工具类

        public SystemOperationView(BleDevice device) : this()
        {
            systemOperationViewModel.BleDevice = device;
            systemOperationViewModel.BleDevice.CharacteristicValueChanged += BleDevice_CharacteristicValueChanged;//收数据
            systemOperationViewModel.BleDevice.ConnectionStateChanged += BleDevice_ConnectionStateChanged;//连接变化
            systemOperationViewModel.BleDevice.ReceiveValueChanged += BleDevice_ReceiveValueChanged;//自定义数据显示功能
            DataContext = systemOperationViewModel;
            isSelect = true;//已选择蓝牙设备
            if (device.IsConnected == true)
            {
                systemOperationViewModel.connectDevice = "断开连接";
                MainWindow.mainViewModel.IsConnection = "已连接";
                MainWindow.mainViewModel.Brush = new SolidColorBrush(Color.FromRgb(0, 255, 127));//设置连接状态颜色-绿色
                MainWindow.mainViewModel.LYDevice = device.Name;

                if (isSending == true)//如果处于循环发送状态
                {
                    buttonSend.Content = "停止";
                }
            }
            else
            {
                device.Connect();
            }
        }
        /// <summary>
        /// 输出日志
        /// </summary>
        /// <param name="msg"></param>
        public void AddLog(string msg)
        {
            listBoxLog.Dispatcher.Invoke(delegate
            {
                if (LogCount > 500)
                {
                    Logs.RemoveAt(0);
                }
                Logs.Add($"{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff} - {msg}");
                LogCount++;
            });
        }

        /// <summary>
        /// 时间同步
        /// </summary>
        /// <param name="time"></param>
        public async void send_port_time(string time)
        {
            if (isConnection)
            {
                byte[] time_byte = tools.ConvertHexStringToBytes(time);
                int a = 0xFE + 0xEF + 0x00 + 0x08 + 0x00 + 0x06;
                for (int i = 0; i < time_byte.Length; i++)
                {
                    a += time_byte[i];
                }
                //取十六进制最低两位
                a = a & 0xFF;
                string send_mes = "FEEF00080006" + time + a.ToString("X2") + "16";
                byte[] bytea = tools.ConvertHexStringToBytes(send_mes);
                //调用发送的那个方法
                bool success = await systemOperationViewModel.BleDevice.Write(bytea);
                if (success)
                {
                    AddLog("时间正在同步中，请稍等!");
                }
            }
            else
            {
                AddLog("请搜索附近蓝牙设备并连接后重试!!!");
            }
        }

        /// <summary>
        /// int数组转化为byte数组
        /// </summary>
        /// <param name="intArr"></param>
        /// <returns></returns>
        public static byte[] IntArrToByteArr(int[] intArr)
        {
            int intSize = sizeof(int) * intArr.Length;
            byte[] bytArr = new byte[intSize];
            //申请一块非托管内存
            IntPtr ptr = Marshal.AllocHGlobal(intSize);
            //复制int数组到该内存块
            Marshal.Copy(intArr, 0, ptr, intArr.Length);
            //复制回byte数组
            Marshal.Copy(ptr, bytArr, 0, bytArr.Length);
            //释放申请的非托管内存
            Marshal.FreeHGlobal(ptr);
            return bytArr;
        }

        /// <summary>
        /// 获得无重复随机数组
        /// </summary>
        /// <param name="n">上限n</param>
        /// <returns>返回随机数组</returns>
        static int[] GetRandom(int n)
        {
            //容器A和B
            int[] arryA = new int[n];
            int[] arryB = new int[n];
            //填充容器a
            for (int i = 0; i < arryA.Length; i++)
            {
                arryA[i] = i + 1;
            }
            //随机对象
            Random r = new Random();
            //最后一个元素的索引 如n=100，end=99
            int end = n - 1;
            for (int i = 0; i < n; i++)
            {
                //生成随机数 因为随机的是索引 所以从0到100取，end=100
                //一个大于等于 minValue 且小于 maxValue 的 32 位带符号整数，即：返回的值范围包括 minValue 但不包括 maxValue。 
                //如果 minValue 等于 maxValue，则返回 minValue
                int minValue = 0;
                int maxValue = end + 1;
                int ranIndex = r.Next(minValue, maxValue);
                //把随机数放在容器B中
                arryB[i] = arryA[ranIndex];
                //用最后一个元素覆盖取出的元素
                arryA[ranIndex] = arryA[end];
                //缩减随机数生成的范围
                end--;
            }
            //返回生成的随机数组
            return arryB;
        }


        /// <summary>
        /// 设备回复文件数据指令
        /// </summary>
        /// <param name="_start">文件起始地址</param>
        /// <param name="_Length">读取长度，0-读取结束</param>
        public async void _send(int _start, int _Length)
        {
            List<byte> _send = new List<byte>();
            //读取文件的实际长度
            int _read_length = (binchar.Length - _start) >= _Length ? _Length : binchar.Length - _start;
            byte[] _read = new byte[2];
            if (_read_length > 255)
            {
                _read[0] = BitConverter.GetBytes(_read_length)[1];
                _read[1] = BitConverter.GetBytes(_read_length)[0];
            }
            else
            {
                _read[0] = 0x00;
                _read[1] = (byte)_read_length;
            }
            byte bb = (byte)((_start + _Length) >= binchar.Length ? 0xFF : 0x00);
            _send.AddRange(new List<byte>() { 0xEF, 0xFE, BitConverter.GetBytes(_read_length + 12)[1], BitConverter.GetBytes(_read_length + 12)[0], 0x01, 0x66, 0x00, BitConverter.GetBytes(binchar.Length)[3], BitConverter.GetBytes(binchar.Length)[2], BitConverter.GetBytes(binchar.Length)[1], BitConverter.GetBytes(binchar.Length)[0], (byte)((_start + _Length) >= binchar.Length ? 0xFF : 0x00), _read[0], _read[1] });
            for (int i = _start; i < _start + _read_length; i++)
            {
                _send.Add(binchar[i]);
            }
            int a = 0;
            for (int i = 0; i < _send.Count; i++)
            {
                a += _send[i];
            }
            _send.AddRange(new List<byte>() { (byte)(a & 0xFF), 0x16 });
            byte[] sendmessage = _send.ToArray();

            bool success = await systemOperationViewModel.BleDevice.Write(sendmessage);

            if (success)
            {
                PreservationData(sendmessage.ToList(), "版本升级发送");
                if (binchar.Length != 0)
                {
                    systemOperationViewModel.ProgressValue = (int)((double)(_start + _read_length) * 100 / (double)binchar.Length);
                    AddLog("当前已上传" + (int)((double)(_start + _read_length) * 100 / (double)binchar.Length) + "%");
                    if (systemOperationViewModel.ProgressValue == 100)
                    {
                        AddLog("文件已发送");
                    }
                }
            }
        }

        /// <summary>
        /// 记录发送数据日志
        /// </summary>
        private static string _localtime => $"{DateTime.Now: yyyy-MM-dd HH:mm:ss.fff}";
        private void PreservationData(List<byte> byteList, string type)
        {
            string rec_16 = null;
            for (int i = 0; i < byteList.Count; i++)
            {
                rec_16 += byteList[i].ToString("X2");  //16进制显示
            }
            //以txt文档的形式存储接收到的数据
            tools.AddLgoToTXT(FileModel.File_Name + FileModel.File_Time.ToString("yyyy-MM-dd") + "日志" + ".txt", FileModel.File_Path + FileModel.File_Time.ToString("yyyy-MM-dd") + @"\", _localtime + " " + type + ":  " + rec_16 + "\r\n");
        }
        #endregion

        
    }
}