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 Txgy.EWS.Client.Common;
using Txgy.EWS.Client.Common.Extensions;

namespace Txgy.EWS.Client.Start.Views
{
    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow : Window
    {
        Rect rcnormal;//定义一个全局rect记录还原状态下窗口的位置和大小。
        bool windowMaximized = true;
        public MainWindow(IDialogHostService dialogHostService)
        {
            InitializeComponent();
            DialogHostService = dialogHostService;
            btnMin.Click += (s, e) => { this.WindowState = WindowState.Minimized; };
            //btnMax.Click += (s, e) =>
            //{
            //    //if (this.WindowState == WindowState.Maximized)
            //    //    this.WindowState = WindowState.Normal;
            //    //else
            //    //    this.WindowState = WindowState.Maximized;
            //    if (windowMaximized)
            //    {
            //        this.Left = rcnormal.Left;
            //        this.Top = rcnormal.Top;
            //        this.Width = rcnormal.Width;
            //        this.Height = rcnormal.Height;
            //        windowMaximized = false;
            //        //this.btnMaximize.Visibility = Visibility.Visible;
            //        //this.btnNormal.Visibility = Visibility.Collapsed;
            //    }
            //    else
            //    {
            //        //this.btnMaximize.Visibility = Visibility.Collapsed;
            //        //this.btnNormal.Visibility = Visibility.Visible;
            //        rcnormal = new Rect(this.Left, this.Top, this.Width, this.Height);//保存下当前位置与大小
            //        this.Left = 0;//设置位置
            //        this.Top = 0;
            //        Rect rc = SystemParameters.WorkArea;//获取工作区大小
            //        this.Width = rc.Width;
            //        this.Height = rc.Height;
            //        windowMaximized = true;
            //    }
            //};
            btnClose.Click += (s, e) =>
            {
                if (MessageBox.Show("确认退出系统?", "提示", MessageBoxButton.OKCancel) == MessageBoxResult.OK)
                {
                    this.Close();
                }
                //var dialogResult = await dialogHostService.Question("温馨提示", "确认退出系统?");
                //if (dialogResult.Result != Prism.Services.Dialogs.ButtonResult.OK) return;
                //this.Close();
            };
            ContentTitle.MouseMove += (s, e) =>
            {
                if (e.LeftButton == MouseButtonState.Pressed)
                    this.DragMove();
            };

        }

        public IDialogHostService DialogHostService { get; }

        private void Window_SizeChanged(object sender, SizeChangedEventArgs e)
        {
            if (this.ActualHeight > SystemParameters.WorkArea.Height || this.ActualWidth > SystemParameters.WorkArea.Width)
            {
                this.WindowState = System.Windows.WindowState.Normal;
                windowMaximized = false;
                btnMax_Click(null, null);
            }
        }

        private void btnMax_Click(object sender, RoutedEventArgs e)
        {
            if (windowMaximized)
            {
                this.Left = rcnormal.Left;
                this.Top = rcnormal.Top;
                this.Width = rcnormal.Width;
                this.Height = rcnormal.Height;
                windowMaximized = false;
                //this.btnMaximize.Visibility = Visibility.Visible;
                //this.btnNormal.Visibility = Visibility.Collapsed;
            }
            else
            {
                //this.btnMaximize.Visibility = Visibility.Collapsed;
                //this.btnNormal.Visibility = Visibility.Visible;
                rcnormal = new Rect(this.Left, this.Top, this.Width, this.Height);//保存下当前位置与大小
                this.Left = 0;//设置位置
                this.Top = 0;
                Rect rc = SystemParameters.WorkArea;//获取工作区大小
                this.Width = rc.Width;
                this.Height = rc.Height;
                windowMaximized = true;
            }
        }
        private void Grid_MouseDown(object sender, MouseButtonEventArgs e)
        {
            //双击标题栏改变大小
            //if (e.ClickCount == 2)
            //{
            //    if (this.ActualWidth == SystemParameters.WorkArea.Width)
            //    {
            //        btnNormal_Click(null, null);
            //    }
            //    else
            //    {
            //        btnMaximize_Click(null, null);
            //    }
            //}
        }
    }
}
