using LehrerApp.Templating;
using Xunit;

namespace LehrerApp.Desktop.Tests;

public sealed class _TempFlowCheck2
{
    [Fact]
    public void MarkerTest()
    {
        var outDir = @"C:\Users\SHedt\AppData\Local\Temp\claude\d--source-LehrerApp\fb3681df-caaf-4f2d-9996-e343e44f5554\scratchpad";
        Directory.CreateDirectory(outDir);

        var commands = new List<DrawingCommand>
        {
            new DrawStringEx(0, 0, 12, 170, "TOP-0", DrawingTextAlignment.AlignLeft, 10, Color: "#000000"),
            new DrawStringEx(0, 90, 12, 170, "NEARBOTTOM-90", DrawingTextAlignment.AlignLeft, 10, Color: "#000000"),
            new DrawStringEx(0, 105, 12, 170, "AFTERBOUNDARY-105", DrawingTextAlignment.AlignLeft, 10, Color: "#000000"),
            new DrawStringEx(0, 190, 12, 170, "BOTTOM-190", DrawingTextAlignment.AlignLeft, 10, Color: "#000000"),
        };
        var drawing = new DrawingValue(commands, 200);

        var manifest = new TemplateManifest
        {
            Id = "marker", Name = "Marker",
            Placeholders = [new("Marker", PlaceholderType.Drawing, true)],
        };
        var layout = "PAGE 210 297 mm\nFLOWDRAWBOX 20 20 170 100 $Marker\n";
        var loadedLayout = new LayoutParser().Parse(layout);
        var loaded = new LoadedTemplate(manifest, loadedLayout, new Dictionary<string, byte[]>());
        var provider = new FakeProvider(new Dictionary<string, PlaceholderValue> { ["Marker"] = drawing });

        var pngs = new QuestTemplateRenderer().RenderPagesToPng(loaded, provider, dpi: 150);
        for (var i = 0; i < pngs.Count; i++)
            File.WriteAllBytes(Path.Combine(outDir, $"marker2-{i}.png"), pngs[i]);
    }

    private sealed class FakeProvider(IReadOnlyDictionary<string, PlaceholderValue> values) : ITemplateDataProvider
    { public IReadOnlyDictionary<string, PlaceholderValue> GetValues() => values; }
}