using GeekDesk.Constant;
using GeekDesk.Util;
using GeekDesk.ViewModel;
using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Controls.Primitives;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Interop;
using System.Windows.Media;
using System.Windows.Media.Effects;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Windows.Threading;

namespace GeekDesk.Control.UserControls.Config
{

    enum ColorType
    {
        COLOR_1 = 1,
        COLOR_2 = 2,
        TEXT_COLOR = 3
    }

    /// <summary>
    /// MotionControl.xaml 的交互逻辑
    /// </summary>
    public partial class ThemeControl : System.Windows.Controls.UserControl
    {
        private static ColorType colorType;
        private static AppConfig appConfig = MainWindow.appData.AppConfig;

        private System.Windows.Controls.Primitives.ToggleButton toggleButton = null;
        public ThemeControl()
        {
            
            InitializeComponent();
            if (appConfig.BGStyle != BGStyle.GradientBac)
            {
                GradientBGConf.Visibility = Visibility.Collapsed;
                ImgBGConf.Visibility = Visibility.Visible;
            }
            else
            {
                ImgBGConf.Visibility = Visibility.Collapsed;
                GradientBGConf.Visibility = Visibility.Visible;
            }
        }

        /// <summary>
        /// 修改背景图片
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BGButton_Click(object sender, RoutedEventArgs e)
        {

            try
            {
                OpenFileDialog ofd = new OpenFileDialog
                {
                    Multiselect = false, //只允许选中单个文件
                    Filter = "图像文件(*.png, *.jpg)|*.png;*.jpg;*.gif"
                };
                if (ofd.ShowDialog() == true)
                {
                    appConfig.BitmapImage = ImageUtil.GetBitmapImageByFile(ofd.FileName);
                    appConfig.BacImgName = ofd.FileName;
                }
            }
            catch (Exception ex)
            {
                LogUtil.WriteErrorLog(ex, "修改背景失败,已重置为默认背景!");
                HandyControl.Controls.Growl.WarningGlobal("修改背景失败,已重置为默认背景!");
            }
            BGSettingUtil.BGSetting();
        }


        private void DefaultButton_Click(object sender, RoutedEventArgs e)
        {

            try
            {
                appConfig.BitmapImage = ImageUtil.Base64ToBitmapImage(Constants.DEFAULT_BAC_IMAGE_BASE64);
                appConfig.BacImgName = "系统默认";
            }
            catch (Exception ex)
            {
                LogUtil.WriteErrorLog(ex, "修改背景失败2,已重置为默认背景!");
                HandyControl.Controls.Growl.WarningGlobal("修改背景失败,已重置为默认背景!");
            }
            BGSettingUtil.BGSetting();
        }


        private void ColorButton_Click(object sender, RoutedEventArgs e)
        {
            string tag = (sender as Button).Tag.ToString();
            switch (tag)
            {
                case "Color1":
                    colorType = ColorType.COLOR_1;break;
                case "Color2":
                    colorType = ColorType.COLOR_2;break;
                default:
                    colorType = ColorType.TEXT_COLOR;break;
            }
            ColorPanel.Visibility = Visibility.Visible;
        }

        /// <summary>
        /// 取消按钮事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void MyColorPicker_Canceled(object sender, EventArgs e)
        {
            MyColorPickerClose(sender);
        }
        private void MyColorPicker_Confirmed(object sender, HandyControl.Data.FunctionEventArgs<Color> e)
        {
            MyColorPickerClose(sender);
        }

        private void MyColorPicker_SelectedColorChanged(object sender, HandyControl.Data.FunctionEventArgs<Color> e)
        {
            SolidColorBrush scb = MyColorPicker.SelectedBrush;

            switch (colorType)
            {
                case ColorType.COLOR_1:
                    appConfig.GradientBGParam.Color1 = scb.ToString();break;
                case ColorType.COLOR_2:
                    appConfig.GradientBGParam.Color2 = scb.ToString(); break;
                default:
                    appConfig.TextColor = scb.ToString();break;
            }
        }

        /// <summary>
        /// 移动窗口
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void DragMove(object sender, System.Windows.Input.MouseButtonEventArgs e)
        {
            if (e.LeftButton == MouseButtonState.Pressed)
            {
                Window.GetWindow(this).DragMove();
            }
        }

        private void PreviewSlider_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
        {
            CheckButtonUpClass cbu = new CheckButtonUpClass
            {
                e = e
            };
            System.Threading.ThreadStart ts = new System.Threading.ThreadStart(cbu.CheckButtonUp);
            System.Threading.Thread t = new System.Threading.Thread(ts);
            t.Start();
        }

        private class CheckButtonUpClass
        {
            public MouseButtonEventArgs e;

            public void CheckButtonUp()
            {
                while (true)
                {
                    if (e.LeftButton == MouseButtonState.Released)
                    {
                        App.Current.Dispatcher.Invoke((Action)(() =>
                        {
                            AppData appData = MainWindow.appData;
                            ObservableCollection<IconInfo> selectIcons = appData.AppConfig.SelectedMenuIcons;
                            appData.AppConfig.SelectedMenuIcons = null;
                            appData.AppConfig.SelectedMenuIcons = selectIcons;
                        }));
                        return;
                    }
                    System.Threading.Thread.Sleep(50);
                }
            }
        }

        private void MyColorPicker_Checked(object sender, RoutedEventArgs e)
        {
            toggleButton = e.OriginalSource as System.Windows.Controls.Primitives.ToggleButton;
        }


        private void MyColorPickerClose(object sender)
        {
            if (toggleButton != null && toggleButton.IsChecked == true)
            {
                HandyControl.Controls.ColorPicker cp = sender as HandyControl.Controls.ColorPicker;
                const BindingFlags InstanceBindFlags = BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic;
                Type type = cp.GetType();
                toggleButton.IsChecked = false;
                MethodInfo mi = type.GetMethod("ToggleButtonDropper_Click", InstanceBindFlags);
                mi.Invoke(cp, new object[] { null, null });
            }
            ColorPanel.Visibility = Visibility.Collapsed;
        }

        public void BGStyle_Changed(object sender, RoutedEventArgs e)
        {
            BGSettingUtil.BGSetting();
            if (appConfig.BGStyle != BGStyle.GradientBac)
            {
                GradientBGConf.Visibility = Visibility.Collapsed;
                ImgBGConf.Visibility = Visibility.Visible;
            } else
            {
                ImgBGConf.Visibility = Visibility.Collapsed;
                GradientBGConf.Visibility = Visibility.Visible;
            }
        }

        private void BGOpacity_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
        {
            BGSettingUtil.BGSetting();
        }

        private void Color_TargetUpdated(object sender, DataTransferEventArgs e)
        {
            BGSettingUtil.BGSetting();
        }
    }
}