using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Globalization;
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 System.Windows.Threading;
using FLY.IBC.Client;
using FLY.IBC.UI.Client;
using FLY.OBJComponents.Client;
using FLY.OBJComponents.Common;

namespace FLY.IBC.UI.Client.UIModule
{
    /// <summary>
    /// Page_DynArea.xaml 的交互逻辑
    /// </summary>
    public partial class Page_DynArea : Page
    {

        #region 延时推送 MARKNO
        const int MARKNO_UPDATEERROR = 1;
        #endregion

        IBCSystemClient iBCSystemClient;
        BufferWindow<FlyData_WarningHistory> mWindow;
        DispatcherTimer timer_error;
        DynAreaViewModelParams props = new DynAreaViewModelParams();
        SetPLCUpdatePlan setPlan;
        public Page_DynArea()
        {
            InitializeComponent();

        }
        public void Init(int id)
        {
            iBCSystemClient = TDGage.Current.mIBCSystemService;

            //创建窗口观察 报警原因列表
            mWindow = TDGage.Current.mWarningReasonWindow;
            
            //报警原因轮流显示
            timer_error = new DispatcherTimer();
            timer_error.Interval = TimeSpan.FromSeconds(3);
            timer_error.Tick += (s, e) =>
            {
                reason_list_index--;
                if (reason_list_index < 0)
                    reason_list_index = mWindow.Record.Count();
                updateError();
            };
            mWindow.Record.CollectionChanged += Record_CollectionChanged;



            grid_ibc.DataContext = iBCSystemClient.Item;
            grid_error.DataContext = props;

            //注册属性更新计划
            setPlan = new FLY.OBJComponents.Client.SetPLCUpdatePlan(
                iBCSystemClient.PLCos,
                iBCSystemClient.Item,
                new string[] {
                    "FilmWidth",
                    "IsInletAirOn",
                    "InletAirFreq",
                    "IsOutletAirOn",
                    "OutletAirFreq" });

            iBCSystemClient.PropertyChanged += (s, e) =>
            {
                if (e.PropertyName == "IsConnected")
                {
                    updateError();
                }
            };

            updateError();
        }

        
        private void Record_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
        {
            FObjBase.PollModule.Current.Poll_JustOnce(
                new FObjBase.PollModule.PollHandler(delegate ()
                {
                    reason_list_index = mWindow.Record.Count() - 1;

                    updateError();
                }), this, MARKNO_UPDATEERROR);
        }

        void updateError()
        {
            if (!iBCSystemClient.IsConnected)
            {
                props.Error = "IBC服务器连接断开";
                props.IsError = true;
                reason_list_index = -1;
                timer_error.Stop();
            }
            else if (mWindow.Record.Count > 0)
            {
                if (reason_list_index >= mWindow.Record.Count)
                    reason_list_index = mWindow.Record.Count - 1;
                else if (reason_list_index < 0)
                    reason_list_index = 0;


                props.Error = mWindow.Record[reason_list_index].Description;
                props.IsError = true;
                timer_error.Start();
            }
            else
            {
                props.IsError = false;
                props.Error = "";
                reason_list_index = -1;
                timer_error.Stop();
            }
        }
        private int reason_list_index = -1;



        private void Button_Click(object sender, RoutedEventArgs e)
        {
            //if (props.IsError)
            {
                NavigationService ns = Application.Current.Properties["NavigationService"] as NavigationService;
                if (ns != null)
                {
                    Page_ErrorTable p = new Page_ErrorTable();
                    ns.Navigate(p);
                }
            }
        }
    }
    public class DynAreaViewModelParams : INotifyPropertyChanged
    {
        /// <summary>
        /// 有异常
        /// </summary>
        public bool IsError { get; set; }
        /// <summary>
        /// 异常消息
        /// </summary>
        public string Error { get; set; }

        public event PropertyChangedEventHandler PropertyChanged;
    }

    public class UIModule_DynArea : FLY.UI.Module.IUIModule
    {
        /// <summary>
        /// 控件标题
        /// 它的值取决于culture
        /// </summary>
        public string Title
        {
            get
            {
                return "IBC状态";
            }
        }

        /// <summary>
        /// 控件
        /// 创建时，需要给它唯一ID，让加载自己的数据
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public FrameworkElement GetComponent(int id)
        {
            Page_DynArea graph = new Page_DynArea();
            graph.Init(id);
            return graph;
        }

        /// <summary>
        /// 控件缩略图，用于编辑界面时，大致看看
        /// 创建时，需要给它唯一ID，让加载自己的数据
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public FrameworkElement GetThumbnail(int id)
        {
            return new System.Windows.Controls.Grid();
        }


        /// <summary>
        /// 给出全部控件ID, 控件自行删除没有的参数
        /// </summary>
        /// <param name="IDs"></param>
        public void MatchParam(int[] IDs)
        {
        }
    }


}