using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
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 Aitex.Core.Common.DeviceData;
using Aitex.Core.UI.ControlDataContext;
using MECF.Framework.Common.OperationCenter;

namespace Aitex.Core.UI.Control
{
    /// <summary>
    /// MfcControl.xaml 的交互逻辑
    /// </summary>
    public partial class MfcControl : UserControl
    {
        public MfcControl()
        {
            InitializeComponent();
        }

        static MfcControl()
        {
            IsEnabledProperty.OverrideMetadata(typeof(MfcControl),
                new FrameworkPropertyMetadata(true, new PropertyChangedCallback(IsEnabledPropertyChanged),
                new CoerceValueCallback(CoerceIsEnabled)));
        }

        // define dependency properties
        public static readonly DependencyProperty CommandProperty = DependencyProperty.Register(
                        "Command", typeof(ICommand), typeof(MfcControl),
                        new FrameworkPropertyMetadata(null, FrameworkPropertyMetadataOptions.AffectsRender));

        public static readonly DependencyProperty DeviceDataProperty = DependencyProperty.Register(
                        "DeviceData", typeof(AITMfcData), typeof(MfcControl),
                        new FrameworkPropertyMetadata(new AITMfcData(), FrameworkPropertyMetadataOptions.AffectsRender));

        public static readonly DependencyProperty BackColorProperty = DependencyProperty.Register(
                        "BackColor", typeof(Brush), typeof(MfcControl),
                         new FrameworkPropertyMetadata(Brushes.Green, FrameworkPropertyMetadataOptions.AffectsRender));


        /// <summary>
        /// 输入值是否百分比，默认否
        /// </summary>
        public bool IsPercent { get; set; }

        public ICommand Command
        {
            get
            {
                return (ICommand)this.GetValue(CommandProperty);
            }
            set
            {
                this.SetValue(CommandProperty, value);
            }
        }

        /// <summary>
        /// set, get current progress value AnalogDeviceData
        /// </summary>
        public AITMfcData DeviceData
        {
            get
            {
                return (AITMfcData)this.GetValue(DeviceDataProperty);
            }
            set
            {
                this.SetValue(DeviceDataProperty, value);
            }
        }

        public Brush BackColor
        {
            get
            {
                return (Brush)this.GetValue(BackColorProperty);
            }
            set
            {
                this.SetValue(BackColorProperty, value);
            }
        }

        protected override void OnRender(DrawingContext drawingContext)
        {
            base.OnRender(drawingContext);

            //draw background color
            rectBkground.Fill = BackColor;

            if (DeviceData != null)
            {
                //draw red board if mfc meets a warning
                rectBkground.Stroke = DeviceData.IsWarning ? Brushes.Red : Brushes.Gray;

                labelValue.Foreground = DeviceData.IsWarning ? Brushes.Pink : Brushes.LightYellow;
                rectBkground.StrokeThickness = DeviceData.IsWarning ? 2 : 1;

                if (dialogBox != null)
                {
                    if (IsPercent)
                        dialogBox.RealValue = (DeviceData.FeedBack * 100).ToString("F1") + "%";
                    else
                        dialogBox.RealValue = DeviceData.FeedBack.ToString("F1");
                }
            }
        }

        private InputDialogBox dialogBox;

        public Window AnalogOwner { get; set; }

        private void Grid_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
        {
            if (DeviceData == null)
                return;

            dialogBox = new InputDialogBox
            {
                CommandDelegate = Execute,
                DeviceName = string.Format("{0}: {1}", DeviceData.Type, DeviceData.DisplayName),
                DeviceId = DeviceData.DeviceSchematicId,
                DefaultValue = DeviceData.DefaultValue,
                RealValue = DeviceData.FeedBack.ToString("F1"),
                SetPoint = Math.Round(DeviceData.SetPoint, 1),
                MaxValue = DeviceData.Scale,
                Unit = DeviceData.Unit,
            };

            dialogBox.IsPercent = IsPercent;
            if (IsPercent)
                dialogBox.SetPoint = Math.Round(DeviceData.SetPoint * 100.0, 1);
            if (AnalogOwner != null)
                dialogBox.Owner = AnalogOwner;
            dialogBox.Topmost = true;
            dialogBox.WindowStartupLocation = WindowStartupLocation.CenterScreen;
            dialogBox.FocasAll();
            dialogBox.ShowDialog();

            dialogBox = null;
        }

        private void Execute(double value)
        {
            if (Command == null)
            {
                InvokeClient.Instance.Service.DoOperation($"{DeviceData.UniqueName}.{AITMfcOperation.Ramp}", value, 0);
                return;
            }

            Command.Execute(new object[] { DeviceData.DeviceName, AITMfcOperation.Ramp, value });
        }

        private void Grid_MouseEnter(object sender, MouseEventArgs e)
        {
            if (DeviceData != null)
            {
                string tooltipValue =
                    string.Format("{0}：{1}\r\n\r\nID：{2}\r\nScale：{3} {4}\r\nSetPoint：{5} {4}\r\nFeedback：{6} {4}\r\nTolerance：{7}\r\nStatus：{8}",
                        DeviceData.Type,
                        DeviceData.DisplayName,
                        DeviceData.DeviceSchematicId,
                        DeviceData.Scale, 
                        DeviceData.Unit,
                        IsPercent ? (DeviceData.SetPoint * 100).ToString("F1") + "%" : DeviceData.SetPoint.ToString("F1"),
                        IsPercent ? (DeviceData.FeedBack * 100).ToString("F1") + "%" : DeviceData.FeedBack.ToString("F1"),
                        DeviceData.Scale > 0 ? ((DeviceData.FeedBack - DeviceData.SetPoint) / DeviceData.Scale * 100).ToString("F1") : "0",
                        DeviceData.IsWarning ? "Tolerance Warning" : "Normal");

                ToolTip = tooltipValue;
            }
        }

        private static void IsEnabledPropertyChanged(DependencyObject source, DependencyPropertyChangedEventArgs args)
        {

        }

        private static object CoerceIsEnabled(DependencyObject source, object value)
        {
            return value;
        }
    }
}