using System;
using System.Collections.Generic;
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 GummingCommon;

namespace Gumming
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class NumberInputView : Window
    {
        public NumberInputView()
        {
            InitializeComponent();
            this.Loaded += NumberInputView_Loaded;
        }

        private void NumberInputView_Loaded(object sender, RoutedEventArgs e)
        {
           
        }

        private void NumberInputView_OnSendSelectedDelegate(object content)
        {
            //this.TargetsFieldNameView.ScrollIntoView(content);
        }

        #region Main Functionality

        private static bool _ShiftFlag;

        protected static bool ShiftFlag
        {
            get { return _ShiftFlag; }
            set { _ShiftFlag = value; }
        }

        private static bool _CapsLockFlag;

        protected static bool CapsLockFlag
        {
            get { return NumberInputView._CapsLockFlag; }
            set { NumberInputView._CapsLockFlag = value; }
        }

        private static Window _InstanceObject;

        private static Control _CurrentControl;
        public static string TouchScreenText
        {
            get
            {
                if (_CurrentControl is TextBox)
                {
                    return ((TextBox)_CurrentControl).Text;
                }
                else if (_CurrentControl is PasswordBox)
                {
                    return ((PasswordBox)_CurrentControl).Password;
                }
                else return "";


            }
            set
            {
                if (_CurrentControl is TextBox)
                {
                    ((TextBox)_CurrentControl).Text = value;
                }
                else if (_CurrentControl is PasswordBox)
                {
                    ((PasswordBox)_CurrentControl).Password = value;
                }
            }
        }

        public static RoutedUICommand Cmd1 = new RoutedUICommand();

        static NumberInputView()
        {
            DefaultStyleKeyProperty.OverrideMetadata(typeof(NumberInputView), new FrameworkPropertyMetadata(typeof(NumberInputView)));

            CommandBinding Cb1 = new CommandBinding(Cmd1, RunCommand);
            CommandManager.RegisterClassCommandBinding(typeof(NumberInputView), Cb1);
        }

        static void RunCommand(object sender, ExecutedRoutedEventArgs e)
        {

        }
        private static void AddKeyBoardINput(char input)
        {
            if (CapsLockFlag)
            {
                if (ShiftFlag)
                {
                    NumberInputView.TouchScreenText += char.ToLower(input).ToString();
                    ShiftFlag = false;

                }
                else
                {
                    NumberInputView.TouchScreenText += char.ToUpper(input).ToString();
                }
            }
            else
            {
                if (!ShiftFlag)
                {
                    NumberInputView.TouchScreenText += char.ToLower(input).ToString();
                }
                else
                {
                    NumberInputView.TouchScreenText += char.ToUpper(input).ToString();
                    ShiftFlag = false;
                }
            }
        }


        private static void syncchild()
        {
            if (_CurrentControl != null && _InstanceObject != null)
            {

                System.Windows.Point virtualpoint = new System.Windows.Point(0, _CurrentControl.ActualHeight + 3);
                System.Windows.Point Actualpoint = _CurrentControl.PointToScreen(virtualpoint);

                if (166 + Actualpoint.X > SystemParameters.VirtualScreenWidth)
                {
                    double difference = 166 + Actualpoint.X - SystemParameters.VirtualScreenWidth;
                    _InstanceObject.Left = Actualpoint.X - difference;
                }
                else if (!(Actualpoint.X > 1))
                {
                    _InstanceObject.Left = 1;
                }
                else
                    _InstanceObject.Left = Actualpoint.X;




                _InstanceObject.Top = Actualpoint.Y;
                _InstanceObject.Show();
            }


        }

        public static bool GetNumberInputView(DependencyObject obj)
        {
            return (bool)obj.GetValue(NumberInputViewProperty);
        }

        public static void SetNumberInputView(DependencyObject obj, bool value)
        {
            obj.SetValue(NumberInputViewProperty, value);
        }

        public static readonly DependencyProperty NumberInputViewProperty =
            DependencyProperty.RegisterAttached("NumberInputView", typeof(bool), typeof(NumberInputView), new UIPropertyMetadata(default(bool), NumberInputViewPropertyChanged));



        static void NumberInputViewPropertyChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
        {
            FrameworkElement host = sender as FrameworkElement;
            if (host != null)
            {
                host.GotFocus += new RoutedEventHandler(OnGotFocus);
                host.LostFocus += new RoutedEventHandler(OnLostFocus);
            }

        }



        static void OnGotFocus(object sender, RoutedEventArgs e)
        {
            Control host = sender as Control;

            //_PreviousTextBoxBorderThickness = host.BorderThickness;
            //host.BorderThickness = new Thickness(4);


            _CurrentControl = host;

            if (_InstanceObject == null)
            {
                FrameworkElement ct = host;
                while (true)
                {
                    if (ct is Window)
                    {
                        ((Window)ct).LocationChanged += new EventHandler(NumberInputView_LocationChanged);
                        ((Window)ct).Activated += new EventHandler(NumberInputView_Activated);
                        ((Window)ct).Deactivated += new EventHandler(NumberInputView_Deactivated);
                        break;
                    }
                    ct = (FrameworkElement)ct.Parent;
                }

                _InstanceObject = new NumberInputView();
                _InstanceObject.AllowsTransparency = true;
                _InstanceObject.WindowStyle = WindowStyle.None;
                _InstanceObject.ShowInTaskbar = false;
                _InstanceObject.ShowInTaskbar = false;
                _InstanceObject.Topmost = true;

                host.LayoutUpdated += new EventHandler(tb_LayoutUpdated);
            }



        }

        static void NumberInputView_Deactivated(object sender, EventArgs e)
        {
            if (_InstanceObject != null)
            {
                _InstanceObject.Topmost = false;
            }
        }

        static void NumberInputView_Activated(object sender, EventArgs e)
        {
            if (_InstanceObject != null)
            {
                _InstanceObject.Topmost = true;
            }
        }


        static void NumberInputView_LocationChanged(object sender, EventArgs e)
        {
            syncchild();
        }

        static void tb_LayoutUpdated(object sender, EventArgs e)
        {
            syncchild();
        }



        static void OnLostFocus(object sender, RoutedEventArgs e)
        {

            Control host = sender as Control;

            //host.BorderThickness = _PreviousTextBoxBorderThickness;

            if (_InstanceObject != null)
            {
                _InstanceObject.Close();
                _InstanceObject = null;
            }

        }

        #endregion
    }
}