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;

// Optional exact gallery typography; copy the gallery's fonts directory beside this program.
FontRegistry.Register("CFX Proof Carlito", "fonts/Carlito-Regular.ttf", 400);
FontRegistry.Register("CFX Proof Carlito", "fonts/Carlito-Bold.ttf", 700);
var mode = VisualThemeMode.Light;
var theme = VisualTheme.Graphite();
var model = RadialBarScalesRecipe.Create("dual-axes", mode);
var context = new VisualRenderContext(
    new VisualLayoutOptions(new VisualSize(800, 440)), theme, mode,
    new VisualFrame("Requests and resolution rate", "Request counts and percentages use independent scales", showLegend: true, showSurface: false), FontSpec.FromFamily("CFX Proof Carlito"));
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());

/// <summary>Request counts and resolution rates on independent radial value scales.</summary>
public static class RadialBarScalesRecipe {
    /// <summary>Creates count and percentage measures from a rightward start ray.</summary>
    public static Chart Create(string variant = "wide", VisualThemeMode mode = VisualThemeMode.Light) {
        if (variant is not ("wide" or "compact" or "dual-axes" or "compact-dual-axes")) throw new ArgumentOutOfRangeException(nameof(variant));
        var requests = new ChartSeries(new ChartSeriesId("requests"), "Requests", ChartSeriesKind.RadialBar, new[] { new ChartPoint(1, 800) });
        var resolved = new ChartSeries(new ChartSeriesId("resolved"), "Resolved (%)", ChartSeriesKind.RadialBar, new[] { new ChartPoint(1, 85) })
            .UseSecondaryYAxis();
        var chart = Chart.Create().WithXLabels("Overall").WithDataLabels(false)
            .WithRadialGeometry(new ChartRadialGeometryOptions(0, 270, .2, .25, .1)).AddSeries(requests).AddSeries(resolved)
            .WithYAxisBounds(0, 1000).WithSecondaryYAxisBounds(0, 100)
            .WithSecondaryYAxis("Resolved (%)", value => value.ToString("0", System.Globalization.CultureInfo.InvariantCulture) + "%");
        chart.Options.YAxis.TickCount = 5;
        chart.Options.SecondaryYAxis.TickCount = 5;
        return chart;
    }
}