using LiveChartsCore;
using LiveChartsCore.Kernel.Sketches;
using LiveChartsCore.SkiaSharpView;
using LiveChartsCore.SkiaSharpView.Painting;
using LiveChartsCore.SkiaSharpView.VisualElements;
using LiveChartsCore.SkiaSharpView.WinForms;
using SkiaSharp;
using System.Collections.ObjectModel;
using System.Windows.Forms.VisualStyles;

namespace ReatimeSpeedTest.Gui
{
    public partial class MainForm : Form
    {
        public MainForm()
        {
            InitializeComponent();

            LiveCharts.Configure(config =>
                config
                    .AddDarkTheme()
                    .HasGlobalSKTypeface(SKFontManager.Default.MatchCharacter('บบ'))// <- Chinese
            );
        }

        private CartesianChart lineChart;
        private CartesianChart barChart;
        private PieChart pieChart;
        private NeedleVisual Needle;

        public class DateModel
        {
            public DateTime DateTime { get; set; }
            public double Value { get; set; }
        }

        private void MainForm_Shown(object sender, EventArgs e)
        {
            var btn = new ToolStripButton("Dbg");

            var toolBarBar = new ToolStrip { RenderMode = ToolStripRenderMode.System, BackColor = BackColor, ForeColor = ForeColor };
            toolBarBar.Items.Add(btn);
            toolBarBar.Items.Add(new ToolStripButton("C") { Alignment = ToolStripItemAlignment.Right, CheckOnClick = true, Checked = true });
            toolBarBar.Items.Add(new ToolStripButton("B") { Alignment = ToolStripItemAlignment.Right, CheckOnClick = true, Checked = true });
            toolBarBar.Items.Add(new ToolStripButton("A") { Alignment = ToolStripItemAlignment.Right, CheckOnClick = true, Checked = true });

            var toolBarLine = new ToolStrip { RenderMode = ToolStripRenderMode.System, BackColor = BackColor, ForeColor = ForeColor };
            toolBarLine.Items.Add(new ToolStripButton("C") { Alignment = ToolStripItemAlignment.Right, CheckOnClick = true, Checked = true });
            toolBarLine.Items.Add(new ToolStripButton("B") { Alignment = ToolStripItemAlignment.Right, CheckOnClick = true, Checked = true });
            toolBarLine.Items.Add(new ToolStripButton("A") { Alignment = ToolStripItemAlignment.Right, CheckOnClick = true, Checked = true });





            lineChart = new() { Dock = DockStyle.Fill };
            barChart = new() { Dock = DockStyle.Fill };

            Needle = new()
            {
                Value = 23.3,
                Fill = new SolidColorPaint(SKColors.Red),
            };

            pieChart = new()
            {
                Dock = DockStyle.Fill,

                InitialRotation = -225,
                MaxAngle = 270,
                MinValue = 0,
                MaxValue = 100,

                // out of livecharts properties...
                Location = new Point(0, 0),
                Size = new Size(50, 50),
                Anchor = AnchorStyles.Left | AnchorStyles.Right | AnchorStyles.Top | AnchorStyles.Bottom,
                VisualElements = [
                    new AngularTicksVisual
                    {
                        Labeler = value => value.ToString("N1"),
                        LabelsSize = 16,
                        LabelsOuterOffset = 15,
                        OuterOffset = 65,
                        TicksLength = 20
                    },
                    Needle
                ]
            };

            var sph = new SplitContainer { Dock = DockStyle.Fill, Orientation = Orientation.Horizontal, BorderStyle = BorderStyle.FixedSingle };
            var spv = new SplitContainer { Dock = DockStyle.Fill, Orientation = Orientation.Vertical, BorderStyle = BorderStyle.FixedSingle };

            sph.Panel1.Controls.Add(spv);

            sph.Panel2.Controls.Add(lineChart);
            sph.Panel2.Controls.Add(toolBarLine);

            spv.Panel1.Controls.Add(pieChart);

            spv.Panel2.Controls.Add(barChart);
            spv.Panel2.Controls.Add(toolBarBar);

            Controls.Add(sph);

            var conValues = new ObservableCollection<double> { 2, 5, 4, 4, 56, 7, 45, 24, 7, 7, 3546, 24, 2345, 236, 3567, 2456 };
            var errValues = new ObservableCollection<double> { 3, 1, 6, 4, 56, 7, 45, 24, 7, 7, 3546, 24, 2345, 236, 3567, 2456 };
            var barSeries = new ISeries[]
            {
                new ColumnSeries<double>
                {
                    Name = "Con",
                    Values = conValues,
                    XToolTipLabelFormatter = (d)=>$"#{d.Index+1}",
                },
                new ColumnSeries<double>
                {
                    Name = "Err",
                    Values = errValues,
                }
            };

            barChart.Series = barSeries;
            barChart.XAxes = [new Axis
            {
                Labeler = (d)=>$"#{d+1}",
            }];

            var lineDataSource = new ObservableCollection<DateModel>()
            {
                new() { DateTime = DateTime.Now.AddSeconds(-4), Value = 5 },
                new() { DateTime = DateTime.Now.AddSeconds(-3), Value = 9 },
                new() { DateTime = DateTime.Now.AddSeconds(-2), Value = 2 },
                new() { DateTime = DateTime.Now.AddSeconds(-1), Value = 8 },
                new() { DateTime = DateTime.Now, Value = 6 }
            };

            var lineSeries = new LineSeries<DateModel>
            {
                Name = "Total",
                Values = lineDataSource,
                Mapping = (model, i) => new(model.DateTime.Ticks, model.Value),
                GeometrySize = 5,
                //Fill = new SolidColorPaint(SKColors.Transparent),
                //Stroke = new SolidColorPaint(SKColors.LightSkyBlue),
                //GeometryFill = new SolidColorPaint(SKColors.LightSkyBlue),
                //GeometryStroke = new SolidColorPaint(SKColors.LightSkyBlue),
                XToolTipLabelFormatter = point => point.Model.DateTime.ToString("dd HH:mm:ss.fff"),
            };

            lineChart.Series = [lineSeries];

            lineChart.XAxes = [new Axis
            {
                Name = "Time",
                Labeler = value => new DateTime((long)value).ToString("dd HH:mm")
            }];

            lineChart.YAxes = [new Axis
            {
                Name = "Speed",
                Labeler = value => value.ToString("N2")
            }];

            btn.Click += delegate
            {
                Needle.Value = DateTime.Now.Millisecond;

                lineSeries.Values.Add(new()
                {
                    DateTime = DateTime.Now,
                    Value = DateTime.Now.Second
                });

                conValues[0] = DateTime.Now.Millisecond;
                errValues[0] = DateTime.Now.Millisecond;

                lineSeries.IsVisible = !lineSeries.IsVisible;
            };
        }

        private void MainForm_Load(object sender, EventArgs e)
        {
        }
    }
}