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.Shapes;

namespace Future.Contract
{
    /// <summary>
    /// BubbleWindow.xaml 的交互逻辑
    /// </summary>
    public partial class BubbleWindow : Window
    {
        public BubbleWindow()
        {
            InitializeComponent();

            this.Loaded += (s, e) => this.XPopup.IsOpen = true;
        }

        /// <summary>
        /// “失去焦点关闭”功能使用的辅助Popup定位位置
        /// </summary>
        public UIElement Placement
        {
            get { return (UIElement)GetValue(PlacementProperty); }
            set { SetValue(PlacementProperty, value); }
        }

        // Using a DependencyProperty as the backing store for Element.  This enables animation, styling, binding, etc...
        public static readonly DependencyProperty PlacementProperty =
            DependencyProperty.Register("Placement", typeof(UIElement), typeof(Window), new PropertyMetadata(null));

        /// <summary>
        /// 信息内容
        /// </summary>
        public object InfoContent
        {
            get { return (string)GetValue(InfoContentProperty); }
            set { SetValue(InfoContentProperty, value); }
        }

        // Using a DependencyProperty as the backing store for InfoContent.  This enables animation, styling, binding, etc...
        public static readonly DependencyProperty InfoContentProperty =
            DependencyProperty.Register("InfoContent", typeof(object), typeof(Window), new PropertyMetadata(""));

        /// <summary>
        /// 关闭延时
        /// </summary>
        public int Delay
        {
            get { return (int)GetValue(DelayProperty); }
            set { SetValue(DelayProperty, value); }
        }

        // Using a DependencyProperty as the backing store for Delay.  This enables animation, styling, binding, etc...
        public static readonly DependencyProperty DelayProperty =
            DependencyProperty.Register("Delay", typeof(int), typeof(Window), new PropertyMetadata(3));

        /// <summary>
        /// 背景颜色
        /// </summary>
        public Brush BackBrush
        {
            get { return (Brush)GetValue(BackBrushProperty); }
            set { SetValue(BackBrushProperty, value); }
        }
        // Using a DependencyProperty as the backing store for BackBrush.  This enables animation, styling, binding, etc...
        public static readonly DependencyProperty BackBrushProperty =
            DependencyProperty.Register("BackBrush", typeof(Brush), typeof(Window), new PropertyMetadata(new SolidColorBrush(Colors.Gray)));

        /// <summary>
        /// 前景颜色
        /// </summary>
        public Brush InfoBrush
        {
            get { return (Brush)GetValue(InfoBrushProperty); }
            set { SetValue(InfoBrushProperty, value); }
        }
        // Using a DependencyProperty as the backing store for BackBrush.  This enables animation, styling, binding, etc...
        public static readonly DependencyProperty InfoBrushProperty =
            DependencyProperty.Register("InfoBrush", typeof(Brush), typeof(Window), new PropertyMetadata(new SolidColorBrush(Colors.White)));


        DateTime mStartTime = DateTime.Now;
        System.Windows.Threading.DispatcherTimer mUiTimer = new System.Windows.Threading.DispatcherTimer();

        /// <summary>
        /// 计时器到时检查是否需要关闭提示
        /// </summary>
        private void UITimerTick(object sender, EventArgs e)
        {
            if (XPopup.IsOpen == false)
            {
                if (this.Delay > 0) mUiTimer.Stop();
                this.Close();
            }
            if ((DateTime.Now - mStartTime).TotalSeconds >= Delay)
            {
                XPopup.IsOpen = false;
                this.Close();
            }
        }

        /// <summary>
        /// Popup打开时开启计时器
        /// </summary>
        private void XPopup_Opened(object sender, EventArgs e)
        {
            if (this.Delay <= 0) return;
            if (mUiTimer.IsEnabled == false)
            {
                mUiTimer = new System.Windows.Threading.DispatcherTimer();
                mUiTimer.Interval = TimeSpan.FromMilliseconds(500);
                mUiTimer.Tick += UITimerTick;
                mStartTime = DateTime.Now;
                mUiTimer.Start();
            }
            else mStartTime = DateTime.Now;
        }
        /// <summary>
        /// 显示一个气泡提示
        /// </summary>
        /// <param name="infoContent">提示信息：可以是文本，也可以是所有可视化元素</param>
        /// <param name="placement">焦点丢失关闭功能的辅助器定位位置</param>
        /// <param name="delayTime">自动关闭延时</param>
        /// <param name="autoClose">是否自动关闭</param>
        public static void ShowBubble(object infoContent, FrameworkElement placement = null, int delayTime = 1, bool autoClose = true)
        {
            BubbleWindow window = new BubbleWindow();

            window.Placement = placement;
            window.InfoContent = infoContent;
            window.Delay = delayTime;
            window.Show();
        }
    }
}