#region Setup
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using ChartForgeX.Core;
using ChartForgeX.Primitives;
using ChartForgeX.Rendering;
using ChartForgeX.Themes;
using ChartForgeX.Topology;
using ChartForgeX.Typography;
using ChartForgeX.VisualArtifacts;
using ChartForgeX.VisualBlocks;

var mode = VisualThemeMode.Light;
var theme = VisualTheme.Graphite();
var model = BubbleMarkerOptionsRecipe.Create("custom-markers", mode);
var context = new VisualRenderContext(
    new VisualLayoutOptions(new VisualSize(800, 440)), theme, mode,
    new VisualFrame("Workload, time and request volume", "", showLegend: null, showSurface: false));
var prepared = model.Prepare(context);
File.WriteAllText("visual.svg", prepared.ToSvg());
File.WriteAllBytes("visual.png", prepared.ToPng());
File.WriteAllText("visual.html", prepared.ToArtifact("example", VisualArtifactKind.Chart).ToHtmlPage());
#endregion

/// <summary>Compares standard and priority observations with independent bubble markers.</summary>
public static class BubbleMarkerOptionsRecipe {
    /// <summary>Creates the selected example without choosing a renderer or export backend.</summary>
    public static Chart Create(string variant = "options", VisualThemeMode mode = VisualThemeMode.Light) {
        if (variant is not ("options" or "compact-options" or "custom-markers" or "compact-custom-markers"))
            throw new ArgumentOutOfRangeException(nameof(variant));
        return MarkerOptions(variant.EndsWith("custom-markers", StringComparison.Ordinal), mode);
    }

    private static Chart MarkerOptions(bool custom, VisualThemeMode mode) {
        var standard = ChartSeries.CreateBubble(new ChartSeriesId("standard"), "Standard", new[] {
            new ChartBubble(1, 18, 9), new ChartBubble(2, 30, 36), new ChartBubble(3, 24, 81)
        }).ConfigureMarkers(markers => markers.Shape = ChartMarkerShape.Circle);
        var priority = ChartSeries.CreateBubble(new ChartSeriesId("priority"), "Priority", new[] {
            new ChartBubble(1.5, 32, 16), new ChartBubble(2.5, 20, 36), new ChartBubble(3.5, 36, 200)
        }).ConfigureMarkers(markers => markers.Shape = ChartMarkerShape.Diamond);
        if (custom) priority.ConfigureMarkers(markers => {
            markers.CustomPath = ChartMarkerPath.Start(0, -1).CubicTo(1, -1, 1, 1, 0, 1)
                .CubicTo(-1, 1, -1, -1, 0, -1);
            var outline = mode == VisualThemeMode.Dark ? ChartColor.FromRgb(226, 232, 240) : ChartColor.FromRgb(51, 65, 85);
            markers.OutlineStroke = new ChartStrokeStyle(outline, 2, dash: new[] { 4d, 3d });
            markers.StrokeDashOffset = 1;
        });
        return Chart.Create().WithXAxis("Workload batches").WithYAxis("Time (minutes)")
            .AddSeries(standard).AddSeries(priority)
            .ConfigureBubble(bubble => {
                bubble.WithSizeDomain(0, 100); bubble.MinimumRadius = 0; bubble.MaximumRadius = 24;
                bubble.SizeEncoding = ChartBubbleSizeEncoding.Area;
                bubble.SizeDimension.Name = "Requests"; bubble.SizeDimension.ShowLegend = true;
            });
    }
}