using LehrerApp.Core.Models;
using LehrerApp.Core.Services;
using LehrerApp.Desktop.ViewModels.Groups;
using Xunit;

namespace LehrerApp.Desktop.Tests;

public sealed class CompetencyOverviewViewModelTests
{
    [Fact]
    public void Initialize_ZeigtAbdeckungGruppenmittelUndVorausgewaehltesSchuelerprofil()
    {
        var subjectId = Guid.NewGuid();
        var group = new LearningGroup { SubjectId = subjectId, GradeLevel = 8 };
        var student = new Student { FirstName = "Ada", LastName = "Lovelace" };
        var units = new FakeUnits();
        units.Add(new Unit
        {
            GroupId = group.Id, Status = UnitStatus.Completed, Competencies = ["K1"],
        });
        var exam = new Exam
        {
            GroupId = group.Id,
            Status = ExamStatus.Graded,
            Tasks = [new ExamTask { MaxPoints = 10, CompetencyCodes = ["K1"] }],
        };
        var results = new FakeResults();
        results.Add(new ExamResult { ExamId = exam.Id, StudentId = student.Id, Points = [5] });
        var catalog = new FakeCompetencyDomains();
        catalog.Add(new CompetencyDomain
        {
            SubjectId = subjectId,
            GradeLevel = 8,
            Name = "Bereich",
            Items = [new CompetencyItem { Code = "K1", Description = "Kompetenz" }],
        });
        var vm = new CompetencyOverviewTabViewModel(units, new FakeExams([exam]), results,
            catalog, new FakeStudents([student]), new CompetencyAnalysisService());

        vm.Initialize(group);

        var row = Assert.Single(vm.Rows);
        Assert.Equal("1× behandelt", row.InstructionCoverage);
        Assert.Equal("1× geprüft", row.ExamCoverage);
        Assert.Contains("50 %", row.GroupResult);
        Assert.Contains("50 %", row.StudentResult);
        Assert.Equal("Wiederholungsbedarf", row.Recommendation);
        Assert.Equal(student.Id, vm.SelectedStudent?.Id);
    }

    [Fact]
    public void ReviewThreshold_Aendern_AktualisiertHinweis()
    {
        var item = new CompetencyAnalysisItem
        {
            DomainName = "Bereich",
            DomainCode = "B",
            Code = "K1",
            Description = "Kompetenz",
            GroupScore = new CompetencyScore(5, 10, 1, 1),
        };
        var row = new CompetencyOverviewRow(item, null, 60);

        row.SetThreshold(40);

        Assert.Equal("Stand solide", row.Recommendation);
    }
}