using DevExpress.XtraCharts;
using DevExpress.XtraEditors;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using IStation.Untity;
using DevExpress.Utils;
using System.Runtime;
using DevExpress.XtraSplashScreen;

namespace IStation.WinFormUI.MonitorDataSet
{
    public partial class CurveCompareChartMgr : DocumentPage
    {
        public CurveCompareChartMgr()
        {
            InitializeComponent();
            this.multiSelectMonitorPointTreeListCtrl1.SelectedEvent += MultiSelectMonitorPointTreeListCtrl1_SelectedEvent;
            this.multiSelectMonitorPointTreeListCtrl1.UncheckEvent += MultiSelectMonitorPointTreeListCtrl1_UncheckEvent;
            this.PageTitle.Caption = "曲线比较";
        }
        
        #region 当前视图类
        public class CurrentViewModel
        {
            public CurrentViewModel() { }
            public CurrentViewModel(Model.SignalRecord rhs)
            {
                this.DataTime = rhs.Time;
                this.DataValue = rhs.Value;
            }

            public DateTime DataTime { get; set; }
            public double DataValue { get; set; }
        }
        #endregion
          
        private long _projectId;
        private long _sceneId;
        private Model.LogicTree _logic;

        private SwiftPlotDiagram _diagram
        {
            get { return this.chartControl1.Diagram as SwiftPlotDiagram; }
        }

        /// <summary>
        /// 初始化数据
        /// </summary>
        public void InitialDataSource(long projectId,long sceneId, Model.LogicTree logic)
        {
            _projectId = projectId;
            _sceneId = sceneId;
            SetBindingData(logic);
        }

        private void SetBindingData(Model.LogicTree obj)
        {
            _logic = obj;
            if (_logic == null)
            { 
                this.multiSelectMonitorPointTreeListCtrl1.SetBindingData();
            }
            else
            {
                this.multiSelectMonitorPointTreeListCtrl1.SetBindingData(_projectId, _logic.LogicType, _logic.LogicId);
            }
        }

        private void MultiSelectMonitorPointTreeListCtrl1_SelectedEvent(Model.MonitorPointExSignalList obj, Color color)
        {
            var signal = obj.SignalList.First();
            var lays = this.chartControl1.ShowOverlay();

            var packet = new BLL.MonitorDataSet().GetSignalRecordPacket(_projectId, _sceneId, obj.Id, signal.Id);
            if (packet == null || packet.RecordList == null)
            {
                XtraMessageBox.Show("无数据!");
                lays.Close();
                return;
            }
            var list = packet.RecordList.Where(x => x.Value != IStation.Default.Abnormal && x.Value != IStation.Default.Error);
            CreateSeries(signal, list);
            lays.Close();
        } 

        //添加系列
        private void CreateSeries(Model.Signal signal, IEnumerable<Model.SignalRecord> records)
        {
            try
            {
                var count = this.chartControl1.Series.Where(x => Convert.ToInt64(x.Tag) == signal.Id).Count();
                if (count > 0)
                    return;
                //var unitValue = UnitValueHelper.Get(_projectId, signal);
                var unitValue =  "高度/m";
                var view = new SwiftPlotSeriesView();
                view.AxisX = _diagram.AxisX;
                if (this.chartControl1.Series.Count < 1)
                {
                    _diagram.AxisY.Title.Text = unitValue;
                    view.AxisY = _diagram.AxisY;
                }
                else
                {
                    if (_diagram.AxisY.Title.Text == unitValue)
                    {
                        view.AxisY = _diagram.AxisY;
                    }
                    else
                    {
                        var axisy = _diagram.SecondaryAxesY.GetAxisByName(unitValue);
                        if (axisy == null)
                        {
                            axisy = new SwiftPlotDiagramSecondaryAxisY();
                            axisy.Name = unitValue;
                            axisy.Alignment = AxisAlignment.Far;
                            axisy.Title.Text = unitValue;
                            axisy.Title.Alignment = StringAlignment.Far;
                            axisy.Title.Visibility = DefaultBoolean.True; 
                            _diagram.SecondaryAxesY.Add(axisy);
                        }
                        view.AxisY = axisy;
                    }
                }
                Series series = new Series();
                series.Tag = signal.Id;
                series.Name = signal.Name;
                series.View = view;

                var list = records.Select(x => new { Time = x.Time, Value = x.Value });
                series.BindToData(list, "Time", "Value");
                this.chartControl1.Series.Add(series);
            }
            catch (OutOfMemoryException)
            {
            }
            finally
            {
                Gc();
            }
        }
         
        private void MultiSelectMonitorPointTreeListCtrl1_UncheckEvent(Model.MonitorPointExSignalList obj)
        {
            var signal = obj.SignalList.First();
            var lays = this.chartControl1.ShowOverlay();
            List<Series> seriesList = new List<Series>(this.chartControl1.Series.ToArray());
            var index = seriesList.FindIndex(x => Convert.ToInt64(x.Tag) == signal.Id);
            if (index != -1)
            {
                this.chartControl1.BeginInit();
                var unitValue = UnitValueHelper.Get(_projectId, signal);
                var axisy = _diagram.SecondaryAxesY.GetAxisByName(unitValue);
                if (axisy != null)
                {
                    _diagram.SecondaryAxesY.Remove(axisy);
                }
                this.chartControl1.Series.RemoveAt(index);
                this.chartControl1.EndInit();
            }
            Gc();
            lays.Close();
        }

        private void Gc()
        {
            GCSettings.LargeObjectHeapCompactionMode = GCLargeObjectHeapCompactionMode.CompactOnce;
            GC.Collect(2, GCCollectionMode.Forced);
            GC.WaitForFullGCComplete();
        }
         
    }
}