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 = ProgressBarRecipe.Create("wide", mode);
var context = new VisualRenderContext(
    new VisualLayoutOptions(new VisualSize(800, 440)), theme, mode,
    new VisualFrame("Progress through delivery stages", "Explore the data, then download the chart", showLegend: null, 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>Labeled progress rows with a shared maximum and optional track styling.</summary>
public static class ProgressBarRecipe {
    public static Chart Create(string variant = "wide", VisualThemeMode mode = VisualThemeMode.Light) {
        var chart = Chart.Create().AddProgressBars("Delivery", new[] {
            new ChartProgressItem("Reviewed", 76), new ChartProgressItem("Verified", 58), new ChartProgressItem("Complete", 42)
        }).WithProgressHandles();
        if (variant == "options") chart.WithProgressMaximum(120).WithProgressBarThickness(.42).WithProgressTrackOpacity(.3);
        return chart.WithValueFormat(ChartValueFormat.Number("0.##", CultureInfo.InvariantCulture));
    }
}