using HSchool.Content;

namespace HSchool.Ai.Tests;

public class LessonMarkCouplingTests
{
    private static readonly BehaviorDef Rules = new()
    {
        DefName = "Behavior",
        LessonMarkThresholds = BehaviorDef.DefaultLessonMarkThresholds,
        LessonMarkMax = 40,
        LessonNoTextbookFactor = 0.5f,
        LessonWhisperSkillFactor = 0.4f,
    };

    [Fact]
    public void WhisperFactor_WorsensMarkVsQuiet()
    {
        var quiet = LessonLearning.Mark(
            LessonLearning.Quality(1f, 0, 100f, 1f, textbookFactor: 1f),
            Rules);
        var whisper = LessonLearning.Mark(
            LessonLearning.Quality(1f, 0, 100f, 1f, textbookFactor: Rules.LessonWhisperSkillFactor),
            Rules);

        Assert.True(quiet > whisper);
    }

    [Fact]
    public void NoTextbook_WorsensMarkVsWithTextbook()
    {
        var withBook = LessonLearning.Mark(
            LessonLearning.Quality(1f, 0, 100f, 1f, textbookFactor: 1f),
            Rules);
        var without = LessonLearning.Mark(
            LessonLearning.Quality(1f, 0, 100f, 1f, textbookFactor: Rules.LessonNoTextbookFactor),
            Rules);

        Assert.True(withBook > without);
    }

    [Fact]
    public void Hunger_WorsensMarkVsFull()
    {
        var full = LessonLearning.Mark(LessonLearning.Quality(1f, 0, 100f, 1f, 1f), Rules);
        var hungry = LessonLearning.Mark(LessonLearning.Quality(0.2f, 0, 100f, 1f, 1f), Rules);

        Assert.True(full > hungry);
    }

    [Fact]
    public void Cold_WorsensMarkVsWarm()
    {
        var warm = LessonLearning.Mark(LessonLearning.Quality(1f, 0, 100f, warmth: 1f, textbookFactor: 1f), Rules);
        var cold = LessonLearning.Mark(LessonLearning.Quality(1f, 0, 100f, warmth: 0.2f, textbookFactor: 1f), Rules);

        Assert.True(warm > cold);
    }

    [Fact]
    public void WeakTeacher_WorsensMarkVsStrong()
    {
        var strong = LessonLearning.Mark(LessonLearning.Quality(1f, 0, teacherSkill: 100f, 1f, 1f), Rules);
        var weak = LessonLearning.Mark(LessonLearning.Quality(1f, 0, teacherSkill: 10f, 1f, 1f), Rules);

        Assert.True(strong > weak);
    }
}