#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 = QuadrantRegionDepthRecipe.Create("interior-quadrants", mode);
var context = new VisualRenderContext(
    new VisualLayoutOptions(new VisualSize(800, 440)), theme, mode,
    new VisualFrame("Processing time by workload", "", 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>Effort/impact observations with native quadrant borders, deliberate captions and rules through an authored pivot.</summary>
public static class QuadrantRegionDepthRecipe {
    /// <summary>Creates a complete public-API chart; exports use the same native prepared scene.</summary>
    public static Chart Create(string variant = "pivot-quadrants", VisualThemeMode mode = VisualThemeMode.Light) {
        if (variant is not ("pivot-quadrants" or "compact-pivot-quadrants" or "interior-quadrants" or "compact-interior-quadrants")) throw new ArgumentOutOfRangeException(nameof(variant));
        var chart = Chart.Create().WithSize(variant.StartsWith("compact-", StringComparison.Ordinal) ? 360 : 800, 440)
            .WithTheme(VisualTheme.Graphite(), mode).WithTitle("Effort and impact").WithSubtitle("Authored 4-day / 6-point pivot")
            .WithLegend(false).WithDataLabels(false).WithGrid(false)
            .WithXAxis("Effort (days)").WithYAxis("Impact (score)").WithXAxisBounds(0, 10).WithYAxisBounds(0, 10)
            .AddScatter("Proposed work", new[] { new ChartPoint(1.4, 8.1), new ChartPoint(3.1, 7.3), new ChartPoint(7.2, 8.8),
                new ChartPoint(8.4, 6.8), new ChartPoint(2.5, 2.1), new ChartPoint(6.5, 3.2) });
        if (variant.EndsWith("interior-quadrants", StringComparison.Ordinal))
            chart.ConfigureXAxis(axis => axis.WithCrossAt(6)).ConfigureYAxis(axis => axis.WithCrossAt(4));
        else chart.ConfigureXAxis(axis => axis.WithRuleCrossAt(6)).ConfigureYAxis(axis => axis.WithRuleCrossAt(4));
        var border = new ChartStrokeStyle(width: 1.5, opacity: .65, dash: new[] { 5d, 3d });
        chart.AddPlotRegion(new ChartPlotRegion(0, xMaximum: 4, yMinimum: 6, label: "Prioritize")
                .WithBorder(border).WithLabelPosition(ChartPlotRegionLabelPosition.TopLeft))
            .AddPlotRegion(new ChartPlotRegion(1, xMinimum: 4, yMinimum: 6, label: "Plan")
                .WithBorder(border).WithLabelPosition(ChartPlotRegionLabelPosition.TopRight))
            .AddPlotRegion(new ChartPlotRegion(2, xMaximum: 4, yMaximum: 6, label: "Consider")
                .WithBorder(border).WithLabelPosition(ChartPlotRegionLabelPosition.BottomLeft))
            .AddPlotRegion(new ChartPlotRegion(3, xMinimum: 4, yMaximum: 6, label: "Reassess")
                .WithBorder(border).WithLabelPosition(ChartPlotRegionLabelPosition.BottomRight));
        return chart;
    }
}