using System;
using System.Collections.Generic;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using Muchinfo.MTPClient.Data.Enums;
using Muchinfo.MTPClient.Data.Model;
using Muchinfo.MTPClient.Infrastructure.Cache;
using Muchinfo.MTPClient.Infrastructure.Helpers;
using Muchinfo.MTPClient.Trade.ViewModels;

namespace Muchinfo.MTPClient.Trade.Views
{
    /// <summary>
    /// OrderContent.xaml 的交互逻辑
    /// </summary>
    public partial class OrderContent : UserControl
    {
        private List<QuoteGoods> _quoteGoodses; 
        public OrderContent()
        {
            // ViewModel -> TradeOrderViewModel
            InitializeComponent();
            //this.Bor_CommissionsHeight.Height = 280;
            MessengerHelper.DefaultRegister<bool>(this, MessengerTokens.SetOrderFoucsToken, (e) =>
            {
                if (this.IsVisible)
                {
                    goodsComBoxBox.Focus();
                }
            });
            setFocusList.Add(goodsComBoxBox); 
            setFocusList.Add(DecimalNum);
            setFocusList.Add(PriceNumBox);
            setFocusList.Add(btnMouseDown);
            goodsComBoxBox.GotFocus += goodsComBoxBox_GotFocus;
            DecimalNum.GotFocus += goodsComBoxBox_GotFocus;
            PriceNumBox.GotFocus += goodsComBoxBox_GotFocus;
            btnMouseDown.GotFocus += goodsComBoxBox_GotFocus;
            direction.Visibility = Visibility.Collapsed;
            goodsComBoxBox.DropDownClosed += goodsComBoxBox_DropDownClosed;
            MessengerHelper.DefaultRegister<bool>(this, MessengerTokens.TradeLoadGoods, (e) =>
            {
                if (OrderContentArea.Visibility != Visibility.Visible)
                {
                    OrderContentArea.Visibility = Visibility.Visible;
                }
            });
        }

        void goodsComBoxBox_DropDownClosed(object sender, EventArgs e)
        {
            var viewModel = this.DataContext as TradeOrderViewModel;
            if (viewModel != null && _quoteGoodses != null)
            {
                viewModel.GoodsList = _quoteGoodses;
            }
        }


        #region 传统模式时调用修改五档高度
        public string TraditionCommissionsHeight
        {
            get { return (string)GetValue(TraditionCommissionsHeightProperty); }
            set { SetValue(TraditionCommissionsHeightProperty, value); }
        }

        // Using a DependencyProperty as the backing store for ShowText.  This enables animation, styling, binding, etc...
        public static readonly DependencyProperty TraditionCommissionsHeightProperty =
            DependencyProperty.Register("TraditionCommissionsHeight", typeof(string), typeof(OrderContent), new PropertyMetadata("", new PropertyChangedCallback(TCHPropertyChangedCallback)));


        private static void TCHPropertyChangedCallback(DependencyObject sender, DependencyPropertyChangedEventArgs arg)
        {
            if (sender != null && sender is OrderContent)
            {
                var windowContent = (OrderContent)sender;
                windowContent.Bor_CommissionsHeight.Height = double.Parse(windowContent.TraditionCommissionsHeight);

            }

        } 
        #endregion
        

        void goodsComBoxBox_GotFocus(object sender, RoutedEventArgs e)
        {
            var index = setFocusList.FindIndex((item)=>sender.Equals(item) );
            if (index >= 0)
            {
                focusIndex = index;
            }
        }


        private void OrderContent_OnMouseDown(object sender, MouseButtonEventArgs e)
        {
            if (goodsComBoxBox.IsVisible)
            {
                goodsComBoxBox.Focus();
                e.Handled = true;
            }
        }

        List<Control> setFocusList=new List<Control>();
        private int focusIndex = 0;

        private void OrderContent_OnKeyUp(object sender, KeyEventArgs e)
        {
            if (this.IsKeyboardFocusWithin)
            {
                switch (e.Key)
                {
                    case Key.Enter: 
                        //if (goodsComBoxBox.IsFocused)
                        //{
                        //    DecimalNum.Focus();
                        //}
                        //else if (DecimalNum.IsKeyboardFocusWithin)
                        //{
                        //    if (PriceNumBox.IsVisible)
                        //    {
                        //        PriceNumBox.Focus();
                        //    }
                        //    else
                        //    {
                        //        if (btnMouseDown.IsVisible)
                        //        {
                        //            btnMouseDown.Focus();
                        //        }
                        //        else
                        //        {
                        //            MessengerHelper.DefaultSend(true, MessengerTokens.SetButtonFoucsToken);
                        //        }
                        //    }
                        //}
                        //else if (PriceNumBox.IsKeyboardFocusWithin &&PriceNumBox.IsVisible)
                        //{ 
                        //    if (btnMouseDown.IsVisible)
                        //    {
                        //        btnMouseDown.Focus();
                        //    }
                        //    else
                        //    {
                        //        MessengerHelper.DefaultSend(true, MessengerTokens.SetButtonFoucsToken);
                        //    }
                        //}
                        //else
                        //{
                        //    goodsComBoxBox.Focus();
                        //}
                        SetContrlFocus(1);
                        break;
                        // 为什么要搞这些操作？界面会崩溃，我还是去掉它吧
                    /*case Key.Up:
                        SetContrlFocus(-1);
                        e.Handled = true;
                        break;
                    case Key.Down:
                        SetContrlFocus(1);
                        e.Handled = true;
                        break;*/
                    default:
                        break;
                }
            }
        }

        private string goodsBoxString = "";

        /// <summary>
        /// 设置焦点
        /// </summary>
        /// <param name="next"></param>
        private void SetContrlFocus(int next)
        {
           var index  = focusIndex+next;
           if (index > setFocusList.Count - 1)
            {
                setFocusList[0].Focus();
            }
            else if (next < 0)
            {
                setFocusList[3].Focus();
                if (!btnMouseDown.IsVisible)
                {
                    focusIndex = 3;
                    MessengerHelper.DefaultSend(true, MessengerTokens.SetButtonFoucsToken);
                }
                //{
                //    MessengerHelper.DefaultSend(true, MessengerTokens.SetButtonFoucsToken);
                //   // focusIndex = 3;
                //}
            }
           if (index == 2 && !PriceNumBox.IsVisible)
            {
               index+= next;
            }
           if (index >= setFocusList.Count)
            {
                return;
            }
           setFocusList[index].Focus();
           if (!btnMouseDown.IsVisible && index==3)
           {
               focusIndex = 3;
               MessengerHelper.DefaultSend(true, MessengerTokens.SetButtonFoucsToken);
           }
        }

        private void UIElement_OnMouseDown(object sender, MouseButtonEventArgs e)
        {
            var viewModel = this.DataContext as TradeOrderViewModel;
            var element = sender as FrameworkElement;
            if (element != null &&viewModel!=null)
            {
                if (element.Tag is decimal)
                {
                    viewModel.SetOrderPrice((decimal)element.Tag);
                }

            
               // element.Tag 
            }
        }

        private void BidCommissionsListBox_MouseLeave(object sender, MouseEventArgs e)
        {
            this.BidCommissionsListBox.SelectedIndex = -1;
        }

        private void AskCommissionsListBox_MouseLeave(object sender, MouseEventArgs e)
        {
            this.AskCommissionsListBox.SelectedIndex = -1;
        }

        /// <summary>
        /// 商品栏输入商品的时候
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void goodsComBoxBox_KeyUp(object sender, KeyEventArgs e)
        {
            if (this.IsKeyboardFocusWithin)
            {
                switch (e.Key)
                {
                    //暂时似乎没有其他的指令需要处理
                    default:
                    {
                        if (!goodsBoxString.Equals(goodsComBoxBox.Text))
                        {
                            goodsBoxString = goodsComBoxBox.Text;
                        }
                        else
                        {
                            return;
                        }
                        var viewModel = this.DataContext as TradeOrderViewModel;
                        if (_quoteGoodses == null && viewModel != null)// 在关闭dropdown的时候，要用到原来的值
                        {
                            _quoteGoodses = viewModel.GoodsList;
                        }

                        var goods = CacheManager.CacheGoodsBaseInfos.FindAll(i => (i.GoodsCode.Contains(goodsBoxString) || i.Name.Contains(goodsBoxString))); // 过滤匹配的商品
                        if (viewModel != null)
                        {
                            viewModel.GoodsList = goods;// 给绑定的空间丢数据
                        }
                        goodsComBoxBox.IsDropDownOpen = goods.Count > 0;// 有数据就显示，没有数据就没有必要显示了。
                        break;
                    }
                }
            }
        }
    }
}