using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using PipeGallery.Manage;
using PipeGallery.Model;
using PipeGallery.ViewModel;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Text.RegularExpressions;
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;

namespace PipeGallery.View
{
    /// <summary>
    /// SoundSpeedEditView.xaml 的交互逻辑
    /// </summary>
    public partial class SoundSpeedEditView : UserControl
    {
        private int pipeMaterialId = 0;
        private bool btnFlag = false;
        private int selectedIndex = 0;

        public SoundSpeedEditView(int pipeMaterialId, bool btnFlag)
        {
            InitializeComponent();
            this.btnClose.Click += btnReturn_Click;
            this.btnOK.Click += btnOK_Click;
            this.btnNum.Click += BtnNum_Click;
            this.btnCloseKb.Click += BtnCloseKb_Click;
            this.tbMin.GotFocus += TbMin_GotFocus;
            this.tbMax.GotFocus += TbMin_GotFocus;
            this.tbSpeed.GotFocus += TbMin_GotFocus;
            this.tbMin.LostFocus += TbMin_LostFocus;
            this.tbMax.LostFocus += TbMin_LostFocus;
            this.tbSpeed.LostFocus += TbMin_LostFocus;
            this.tbMin.PreviewTouchUp += TbMin_PreviewTouchUp;
            this.tbMin.PreviewMouseUp += TbMin_PreviewMouseUp;
            this.tbMax.PreviewTouchUp += TbMin_PreviewTouchUp;
            this.tbMax.PreviewMouseUp += TbMin_PreviewMouseUp;
            this.tbSpeed.PreviewTouchUp += TbMin_PreviewTouchUp;
            this.tbSpeed.PreviewMouseUp += TbMin_PreviewMouseUp;

            this.pipeMaterialId = pipeMaterialId;
            this.btnFlag = btnFlag;

            if (!btnFlag)
            {
                foreach (var soundspeedinfo in SoundSpeedEditViewModel.Instance.SoundSpeedInfos)
                {
                    if (soundspeedinfo.IsSelected)
                    {
                        this.tbMin.Text = soundspeedinfo.MinRange;
                        this.tbMax.Text = soundspeedinfo.MaxRange;
                        this.tbSpeed.Text = soundspeedinfo.Speed;

                        this.selectedIndex = soundspeedinfo.Order - 1;
                    }
                }     
            }

        }

        private void TbMin_PreviewMouseUp(object sender, MouseButtonEventArgs e)
        {
            HideInputPanel();
        }

        private void TbMin_PreviewTouchUp(object sender, TouchEventArgs e)
        {
            HideInputPanel();
        }

        private void TbMin_LostFocus(object sender, RoutedEventArgs e)
        {
            BtnCloseKb_Click(null, null);
        }

        private void TbMin_GotFocus(object sender, RoutedEventArgs e)
        {
            bdrContent.Margin = new Thickness(0, 0, 0, 200);
            gridNumKeyboard.Visibility = Visibility.Visible;
            HideInputPanel();
        }

        private void BtnCloseKb_Click(object sender, RoutedEventArgs e)
        {
            bdrContent.Margin = new Thickness(0, 0, 0, 0);
            gridNumKeyboard.Visibility = Visibility.Collapsed;
        }

        private const Int32 WM_SYSCOMMAND = 274;
        private const UInt32 SC_CLOSE = 61536;
        [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
        private static extern bool PostMessage(IntPtr hWnd, int Msg, int wParam, int lParam);
        [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
        private static extern bool PostMessage(IntPtr hWnd, int Msg, uint wParam, uint lParam);
        [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
        private static extern bool PostMessage(IntPtr hWnd, uint Msg, IntPtr wParam, IntPtr lParam);
        [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
        private static extern IntPtr FindWindow(string lpClassName, string lpWindowName);

        //隐藏屏幕键盘
        public static void HideInputPanel()
        {
            /* 线程优化1 
            System.Threading.ThreadStart start = delegate ()
            {
                Thread.Sleep(500);
                IntPtr TouchhWnd = new IntPtr(0);
                TouchhWnd = FindWindow("IPTip_Main_Window", null);
                if (TouchhWnd == IntPtr.Zero)
                    return;
                PostMessage(TouchhWnd, WM_SYSCOMMAND, SC_CLOSE, 0);
            };
            Thread t = new System.Threading.Thread(start);
            t.IsBackground = true;
            t.Start();
             */
            Task t = new Task(() =>
            {
                Thread.Sleep(500);
                IntPtr TouchhWnd = new IntPtr(0);
                TouchhWnd = FindWindow("IPTip_Main_Window", null);
                if (TouchhWnd == IntPtr.Zero)
                    return;
                PostMessage(TouchhWnd, WM_SYSCOMMAND, SC_CLOSE, 0);
            });
            t.Start();
        }

        [DllImport("user32.dll", EntryPoint = "keybd_event", SetLastError = true)]
        public static extern void keybd_event(System.Windows.Forms.Keys bVk, byte bScan, uint dwFlags, uint dwExtraInfo);

        private void BtnNum_Click(object sender, RoutedEventArgs e)
        {
            Button btn = sender as Button;
            if (btn != null)
            {
                System.Windows.Forms.Keys key = System.Windows.Forms.Keys.Back;
                switch (btn.Content.ToString())
                {
                    case "0":
                        key = System.Windows.Forms.Keys.NumPad0;
                        break;
                    case "1":
                        key = System.Windows.Forms.Keys.NumPad1;
                        break;
                    case "2":
                        key = System.Windows.Forms.Keys.NumPad2;
                        break;
                    case "3":
                        key = System.Windows.Forms.Keys.NumPad3;
                        break;
                    case "4":
                        key = System.Windows.Forms.Keys.NumPad4;
                        break;
                    case "5":
                        key = System.Windows.Forms.Keys.NumPad5;
                        break;
                    case "6":
                        key = System.Windows.Forms.Keys.NumPad6;
                        break;
                    case "7":
                        key = System.Windows.Forms.Keys.NumPad7;
                        break;
                    case "8":
                        key = System.Windows.Forms.Keys.NumPad8;
                        break;
                    case "9":
                        key = System.Windows.Forms.Keys.NumPad9;
                        break;
                    case ".":
                        key = System.Windows.Forms.Keys.Decimal;
                        break;
                }
                keybd_event(key, 0, 0, 0);
            }
        }

        void btnReturn_Click(object sender, RoutedEventArgs e)
        {
            Border bdr = this.Parent as Border;
            if (bdr != null)
            {
                bdr.Child = null;
            }
        }

        void btnOK_Click(object sender, RoutedEventArgs e)
        {
            bool flag = true;

            if (tbMin.Text == "" || tbMax.Text == "" || tbSpeed.Text == "")
            {
                new PopupWindow("不允许为空！", "提示").ShowDialog();
                return;
            }

            if (!Regex.IsMatch(tbMin.Text, "^(([1-9]\\d{0,3})|10000|0)$"))
            {
                tbMin.Text = "";
                flag = false;
            }

            if (!Regex.IsMatch(tbMax.Text, "^(([1-9]\\d{0,3})|10000|0)$"))
            {
                tbMax.Text = "";
                flag = false;
            }

            if (!Regex.IsMatch(tbSpeed.Text, "^(([1-9]\\d{0,3})|10000|0)$"))
            {      
                tbSpeed.Text = "";
                flag = false;
            }

            if (flag && int.Parse(tbMin.Text) > int.Parse(tbMax.Text))
            {
                flag = false;
            }
    
            if (!flag)
            {
                new PopupWindow("输入格式错误，请重新输入！").ShowDialog();
                return;
            }           

            string range = tbMin.Text + "-" + tbMax.Text;
            string speed = tbSpeed.Text;

            string josnString = File.ReadAllText(System.AppDomain.CurrentDomain.BaseDirectory + "config.json", Encoding.UTF8);
            JObject jo = JObject.Parse(josnString);

            JArray jsonRange = JArray.Parse(jo["CustomMaterial"][pipeMaterialId]["range"].ToString());
            JArray jsonSpeed = JArray.Parse(jo["CustomMaterial"][pipeMaterialId]["speed"].ToString());

            if (btnFlag)
            {              
                jsonRange.Add(range);
                jo["CustomMaterial"][pipeMaterialId]["range"] = jsonRange;

                jsonSpeed.Add(speed);
                jo["CustomMaterial"][pipeMaterialId]["speed"] = jsonSpeed;

                StreamWriter sw = new StreamWriter(System.AppDomain.CurrentDomain.BaseDirectory + "config.json");
                sw.Write(JsonConvert.SerializeObject(jo));
                sw.Flush();
                sw.Close();

                SoundSpeedInfo soundSpeedInfo = new SoundSpeedInfo();
                soundSpeedInfo.ID = Guid.NewGuid().ToString();
                soundSpeedInfo.Order = jsonRange.Count;
                soundSpeedInfo.MinRange = tbMin.Text;
                soundSpeedInfo.MaxRange = tbMax.Text;
                soundSpeedInfo.Speed = tbSpeed.Text;
                //绑定一个菜单项
                SoundSpeedEditViewModel.Instance.SoundSpeedInfos.Add(soundSpeedInfo);
            }
            else
            {
                jsonRange[selectedIndex] = range;
                jo["CustomMaterial"][pipeMaterialId]["range"] = jsonRange;

                jsonSpeed[selectedIndex] = speed;
                jo["CustomMaterial"][pipeMaterialId]["speed"] = jsonSpeed;

                StreamWriter sw = new StreamWriter(System.AppDomain.CurrentDomain.BaseDirectory + "config.json");
                sw.Write(JsonConvert.SerializeObject(jo));
                sw.Flush();
                sw.Close();

                DataFactory.InitalSoundSpeedData(pipeMaterialId);
            }

            Border bdr = this.Parent as Border;
            if (bdr != null)
            {
                bdr.Child = null;
            }
        }

        private void Grid_PreviewMouseDown(object sender, MouseButtonEventArgs e)
        {
            btnClose.Focusable = true;
            btnClose.Focus();
            btnClose.Focusable = false;
        }
    }
}