using CMM.Library.WinAPI;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
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.Interop;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace CMM.Management
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();

        }

        private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
        {

        }

        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            EnableBlur();
            this.DataContext = App.CMMMgr;
        }

        #region 透明背景
        private void EnableBlur()
        {
            var windowHelper = new WindowInteropHelper(this);
            var accent = new AccentPolicy();
            accent.AccentState = AccentState.ACCENT_ENABLE_BLURBEHIND;
            var accentStructSize = Marshal.SizeOf(accent);
            var accentPtr = Marshal.AllocHGlobal(accentStructSize);
            Marshal.StructureToPtr(accent, accentPtr, false);
            var data = new WindowCompositionAttributeData();
            data.Attribute = WindowCompositionAttribute.WCA_ACCENT_POLICY;
            data.SizeOfData = accentStructSize;
            data.Data = accentPtr;

            Win32.SetWindowCompositionAttribute(windowHelper.Handle, ref data);

            Marshal.FreeHGlobal(accentPtr);
        }
        #endregion

        private void move(object sender, MouseButtonEventArgs e) => DragMove();

        private void Btn_Click(object sender, RoutedEventArgs e)
        {
            var tag = (sender as FrameworkElement).Tag.ToString();

            switch (tag)
            {
                case "Exit":
                    Deconstruct();
                    break;
                case "Minimized":
                    this.WindowState = WindowState.Minimized;
                    break;
                default:
                    break;
            }
        }

        private void Deconstruct()
        {
            Environment.Exit(0);
        }
    }
}