namespace LehrerApp.Core.Models;

// ── Sonstige Noten ────────────────────────────────────────────────────────────

public class Grade
{
    public Guid Id { get; set; } = Guid.NewGuid();
    public Guid StudentId { get; set; }
    public Guid GroupId { get; set; }
    public string SchoolYear { get; set; } = "";
    public GradeCategory Category { get; set; }
    public string Value { get; set; } = "";             // "2", "11", "+" je nach System
    public DateOnly Date { get; set; }
    public double Weight { get; set; } = 1.0;
    public string? Note { get; set; }
    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
}

public enum GradeCategory { Oral, Homework, Participation, Project, Other }

// ── Unterrichtsplanung ────────────────────────────────────────────────────────

public class Unit                                       // Unterrichtseinheit / Reihe
{
    public Guid Id { get; set; } = Guid.NewGuid();
    public Guid GroupId { get; set; }
    public string Title { get; set; } = "";             // "Ionenbindung"
    public string Subject { get; set; } = "";
    public string SchoolYear { get; set; } = "";
    public DateOnly? StartDate { get; set; }
    public DateOnly? EndDate { get; set; }
    public List<string> Competencies { get; set; } = [];
    public UnitStatus Status { get; set; } = UnitStatus.Planned;
    public string? Notes { get; set; }
    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
    public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;
}

public class Lesson                                     // Einzelstunde
{
    public Guid Id { get; set; } = Guid.NewGuid();
    public Guid UnitId { get; set; }
    public Guid GroupId { get; set; }                   // Redundanz für schnelle Abfragen
    public DateOnly Date { get; set; }
    public int? LessonNumber { get; set; }
    public string Topic { get; set; } = "";
    public string? Phase { get; set; }                  // "Einstieg", "Erarbeitung" ...
    public List<string> Methods { get; set; } = [];
    public List<string> Materials { get; set; } = [];
    public string? Homework { get; set; }
    public string? Reflection { get; set; }
    public LessonStatus Status { get; set; } = LessonStatus.Planned;
    public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;
}

public enum UnitStatus { Planned, Active, Completed }
public enum LessonStatus { Planned, Conducted }