namespace HSchool.Content.Tests;

public class ClimatePresetTests
{
    private readonly CatalogLoader _loader = new();

    [Fact]
    public void VanillaPresets_HaveWorkingWeatherNumbers()
    {
        var catalog = Vanilla();
        var temperate = catalog.ClimatePresets["TemperateContinental"];
        Assert.Equal(12, temperate.MonthlyNorms.Count);
        Assert.True(temperate.MonthlyNorms[0] < temperate.MonthlyNorms[6]);
        Assert.InRange(temperate.PrecipitationChance, 0f, 1f);
        Assert.True(temperate.IndoorOffset > 0);

        var cold = catalog.ClimatePresets["ContinentalCold"];
        Assert.True(cold.MonthlyNorms[0] < temperate.MonthlyNorms[0]);
    }

    [Fact]
    public void HeatAndColdLoving_AreMutuallyIncompatible_AndOffsetComfort()
    {
        var catalog = Vanilla();
        var heat = catalog.Traits["HeatLoving"];
        var cold = catalog.Traits["ColdLoving"];
        Assert.Contains("ColdLoving", heat.Incompatible);
        Assert.Contains("HeatLoving", cold.Incompatible);
        Assert.Contains("ColdLoving", catalog.TraitIncompatibilities("HeatLoving"));
        Assert.Contains("HeatLoving", catalog.TraitIncompatibilities("ColdLoving"));
        Assert.True(heat.ComfortTemperatureOffset > 0);
        Assert.True(cold.ComfortTemperatureOffset < 0);
    }

    [Fact]
    public void WarmthNeed_RestoresOffCampus_AndIsEnvironmental()
    {
        var warmth = Vanilla().Needs["Warmth"];
        Assert.True(warmth.RestoredOffCampus);
        Assert.True(warmth.Environmental);
        Assert.True(warmth.DecayPerHour > 0);
    }

    [Fact]
    public void Porch_IsOutdoor()
    {
        Assert.True(Vanilla().Rooms["EntranceHall"].Outdoor);
        Assert.False(Vanilla().Rooms["Classroom"].Outdoor);
    }

    [Fact]
    public void ConcretePresetWithoutMonthlyNorms_FailsTheCatalog()
    {
        var ex = Assert.Throws<ContentLoadException>(() => _loader.Load(
            [CatalogLoader.CorePackId],
            [
                PackDocuments.Def(
                    CatalogLoader.CorePackId,
                    "climates",
                    "empty",
                    """{ "defName": "EmptyClimate" }"""),
            ]));

        Assert.Contains("monthlyNorms", ex.Message, StringComparison.Ordinal);
    }

    private DefCatalog Vanilla()
    {
        var root = Path.Combine(AppContext.BaseDirectory, "vanilla");
        return _loader.Load([CatalogLoader.CorePackId], PackDocuments.FromDirectory(CatalogLoader.CorePackId, root));
    }
}