using System;
using System.IO;
using System.Runtime.CompilerServices;
using System.Text.Json;
using AcDream.App.UI.Layout;
using DatReaderWriter;
using DatReaderWriter.Options;

namespace AcDream.App.Tests.UI.Layout;

/// <summary>One-off generator for the committed retail radar LayoutDesc fixture.</summary>
public sealed class RadarLayoutFixtureGenerator
{
    [Fact(Skip = "manual: regenerates the committed radar fixture; needs the real dats (ACDREAM_DAT_DIR)")]
    public void GenerateRadarFixture()
    {
        var datDir = Environment.GetEnvironmentVariable("ACDREAM_DAT_DIR")
            ?? Path.Combine(
                Environment.GetFolderPath(Environment.SpecialFolder.UserProfile),
                "Documents",
                "Asheron's Call");
        using var dats = new DatCollection(datDir, DatAccessType.Read);
        var info = LayoutImporter.ImportInfos(dats, RadarController.LayoutId);
        Assert.NotNull(info);

        var json = JsonSerializer.Serialize(info, new JsonSerializerOptions
        {
            IncludeFields = true,
            WriteIndented = true,
        });
        File.WriteAllText(FixturePath(), json);
    }

    private static string FixturePath([CallerFilePath] string thisFile = "")
        => Path.Combine(Path.GetDirectoryName(thisFile)!, "fixtures", "radar_21000074.json");
}