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 = TileMapRecipe.Create("wide", mode);
var context = new VisualRenderContext(
    new VisualLayoutOptions(new VisualSize(800, 440)), theme, mode,
    new VisualFrame("Service coverage by state", "Explore the data, then download the chart", 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());

/// <summary>Creates a tile map showing service coverage by state.</summary>
public static class TileMapRecipe {
    /// <summary>Creates the source model for a gallery variant without choosing an export backend.</summary>
    public static Chart Create(string variant = "wide", VisualThemeMode mode = VisualThemeMode.Light) {
        if (variant is not ("wide" or "compact" or "sparse" or "compact-options"))
            throw new ArgumentOutOfRangeException(nameof(variant));

        return Chart.Create().AddTileMap("Observations", ChartTileMapCatalog.Get("us-states"), new[] {
                new ChartRegionMapItem("CA", 82), new ChartRegionMapItem("TX", 64),
                new ChartRegionMapItem("NY", 91), new ChartRegionMapItem("FL", 47),
                new ChartRegionMapItem("WA", 74), new ChartRegionMapItem("IL", 58),
                new ChartRegionMapItem("CO", 39), new ChartRegionMapItem("NC", 66)
            }, id: new ChartSeriesId("state-observations"))
            .WithMapLabels()
            .WithValueFormat(ChartValueFormat.Number("0.##", System.Globalization.CultureInfo.InvariantCulture));
    }
}