using System;
using UIKit;
using CoreAnimation;


namespace Shared
{
	/// <summary>
	/// 当前视图
	/// </summary>
	public class Spinner : Button
	{
		/// <summary>
		/// 构造函数
		/// </summary>
		public Spinner () 
		{
			TextColor = 0xff007aff;
			BorderWidth = 1;
			Radius = 10;
			MouseUpEventHandler += (sender1, e1) => {
				if (AdapterStr == null || AdapterStr.Length == 0)
				{
					return;
				}
				UIScrollView tempUIScrollView = new UIScrollView();
				tempUIScrollView.BackgroundColor = UIColor.Clear;
				var frame2 = tempUIScrollView.Frame;
				frame2.Width = Application.CurrentWidth;
				frame2.Height = Application.CurrentHeight;
				tempUIScrollView.Frame = frame2;
				tempUIScrollView.Alpha = 0.94f;
				UITapGestureRecognizer gestureRecognizer = new UITapGestureRecognizer(() =>
				{
					remoteFromSuperview(tempUIScrollView);
				});
				tempUIScrollView.AddGestureRecognizer(gestureRecognizer);

				int height = 40;

				var size = tempUIScrollView.ContentSize;
				size.Width = Application.CurrentWidth;
				size.Height = height * AdapterStr.Length;
				tempUIScrollView.ContentSize = size;
				size.Width = 20;
				size.Height = 20;
				for (int i = 0; i < AdapterStr.Length; i++)
				{
					UIButton button = new UIButton();
					var tempButtonFrame = button.Frame;
					tempButtonFrame.Y = (int)Math.Max(tempUIScrollView.Frame.Height, tempUIScrollView.ContentSize.Height) - (height * (i + 1));
					tempButtonFrame.Width = Application.CurrentWidth;
					tempButtonFrame.Height = height;
					button.Frame = tempButtonFrame;
					button.SetTitle(AdapterStr[i], UIControlState.Normal);
					button.SetTitleColor(new UIColor(0x6d / 255.0f, 0x6d / 255.0f, 0x72 / 255.0f, 1), UIControlState.Normal);
					button.BackgroundColor = UIColor.White;
					button.Tag = i;
					button.TouchUpInside += (sender, ee) =>
					{
						remoteFromSuperview(tempUIScrollView);
						Text = AdapterStr[button.Tag];
						if (SelectedItemChanged != null)
						{
							SelectedItemChanged(this, (int)button.Tag);
						}
					};
					tempUIScrollView.AddSubview(button);

					if (i == this.AdapterStr.Length - 1)
					{

						UIBezierPath uIBezierPath = UIBezierPath.FromRoundedRect(button.Bounds, UIRectCorner.TopLeft | UIRectCorner.TopRight, size);

						CAShapeLayer cAShapeLayer = new CAShapeLayer();
						cAShapeLayer.Frame = button.Bounds;
						cAShapeLayer.Path = uIBezierPath.CGPath;
						button.Layer.Mask = cAShapeLayer;

					}
					else {

						UIView line = new UIView();
						var ddd = line.Frame;
						ddd.Y = button.Frame.Y;
						ddd.Width = Application.CurrentWidth;
						ddd.Height = 1;
						line.Frame = ddd;

						line.BackgroundColor = new UIColor(0xdd / 255.0f, 0xdd / 255.0f, 0xdd / 255.0f, 1);
						tempUIScrollView.AddSubview(line);

						if (i == 0)
						{
							UIBezierPath uIBezierPath = UIBezierPath.FromRoundedRect(button.Bounds, UIRectCorner.BottomLeft | UIRectCorner.BottomRight, size);
							CAShapeLayer cAShapeLayer = new CAShapeLayer();
							cAShapeLayer.Frame = button.Bounds;
							cAShapeLayer.Path = uIBezierPath.CGPath;
							button.Layer.Mask = cAShapeLayer;
						}
					}
				}
				var frame = tempUIScrollView.Frame;
				frame.Y = Application.CurrentHeight;
				tempUIScrollView.Frame = frame;
				Application.RootFrameLayout.AddSubview(tempUIScrollView);

				UIView.AnimateNotify(0.6f, 0.01f, UIViewAnimationOptions.CurveLinear, () =>
				{
					frame.Y = 0;
					tempUIScrollView.Frame = frame;
				}, null);
			};
		}

		void remoteFromSuperview(UIScrollView uIScrollView)
		{
			UIView.AnimateNotify(0.6f,0.01f,UIViewAnimationOptions.CurveLinear,() => {
				var frame=	uIScrollView.Frame ;
				frame.Y=Application.CurrentHeight;
				uIScrollView.Frame=frame;
			},(b)=>{
				if(b)
				{
					uIScrollView.RemoveFromSuperview();
				}
			});

		}

		/// <summary>
		/// 刷新当前视图
		/// </summary>
		public override void Refresh()
		{
			base.Refresh();
			CurrentRow = currentRow;
		}
			


		int currentRow;
		/// <summary>
		/// 
		/// </summary>
		/// <value>The current row.</value>
		public int CurrentRow
		{
			get
			{
				return currentRow;

			}
			set
			{
				if (AdapterStr == null || value < 0 || AdapterStr.Length <= value)
				{
					return;
				}

				currentRow = value;
				Text = AdapterStr[value];
			}
		}
	

		/// <summary>
		/// 添加下拉列表的数据
		/// </summary>
		/// <param name="Str">String.</param>
		public string []AdapterStr {
			get;
			set ;
		}

        /// <summary>
        /// 选择列表变化的事件
        /// </summary>
         public Action<View, int> SelectedItemChanged;

	}


}