namespace LehrerApp.Core.Models;

public class Documentation
{
    public Guid Id { get; set; } = Guid.NewGuid();
    public Guid StudentId { get; set; }
    public Guid? GroupId { get; set; }
    public DocumentationType Type { get; set; }
    public DateOnly Date { get; set; }
    public string Title { get; set; } = "";
    public string Content { get; set; } = "";
    public List<string> Participants { get; set; } = [];
    public AbsenceData? AbsenceData { get; set; }
    public SupportData? SupportData { get; set; }
    public ParentCallData? ParentCallData { get; set; }
    public ParentLetterData? ParentLetterData { get; set; }
    public List<DocumentAttachment> Attachments { get; set; } = [];
    /// Freie Labels zur Nachverfolgung, z.B. "Kritisch", "Nacharbeiten" — siehe `DocumentationTagDisplay`.
    public List<string> Tags { get; set; } = [];
    public bool IsConfidential { get; set; }
    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
    public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;
    // Löschen entfernt den Eintrag nicht hart, sondern markiert ihn nur (Nachvollziehbarkeit, 5.1.4).
    public bool IsDeleted { get; set; }
    public DateTime? DeletedAt { get; set; }
}
public class AbsenceData
{
    public int LessonCount { get; set; }
    public bool Excused { get; set; }
    public string? Reason { get; set; }
}
public class SupportData
{
    public List<string> Measures { get; set; } = [];
    public DateOnly? ReviewDate { get; set; }
    public SupportStatus Status { get; set; } = SupportStatus.Active;
}
/// <summary>Geplante Gesprächspunkte eines Elternanrufs, abgehakt in <see cref="ParentCallData"/>.</summary>
public class ParentCallPoint
{
    public Guid Id { get; set; } = Guid.NewGuid();
    public string Text { get; set; } = "";
    public bool IsDone { get; set; }
}
/// <summary>
/// Elternanruf: Gesprächspunkte werden vorab geplant, dann im begleitenden Dialog während des
/// Anrufs abgehakt und um Eindrücke/Ergänzungen zum Protokoll ergänzt.
/// </summary>
public class ParentCallData
{
    public List<ParentCallPoint> Points { get; set; } = [];
    public string Impressions { get; set; } = "";
    public bool IsConducted { get; set; }
    public DateOnly? ConductedDate { get; set; }
}
/// <summary>Elternbrief: Entwurf/Planung sowie Absende- und Rückmeldedaten.</summary>
public class ParentLetterData
{
    public string DraftContent { get; set; } = "";
    public DateOnly? SentDate { get; set; }
    public bool ResponseReceived { get; set; }
    public DateOnly? ResponseDate { get; set; }
    public string ResponseNote { get; set; } = "";
}
/// <summary>Datei-Anhang eines Dokumentationseintrags, im LiteDB-Dateispeicher abgelegt.</summary>
public class DocumentAttachment
{
    public string StorageId { get; set; } = "";
    public string FileName { get; set; } = "";
    public long SizeBytes { get; set; }
    public DateTime UploadedAt { get; set; } = DateTime.UtcNow;
}
// Hinten angefügt, damit die numerischen Werte bereits gespeicherter LiteDB-Einträge stabil bleiben.
public enum DocumentationType { Conversation, Incident, SupportPlan, Absence, ParentCall, ParentLetter }
public enum SupportStatus { Active, Completed, Paused }

public class WorkTask
{
    public Guid Id { get; set; } = Guid.NewGuid();
    public string Title { get; set; } = "";
    public TaskCategory Category { get; set; }
    public Guid? GroupId { get; set; }
    public DateOnly? DueDate { get; set; }
    public int? EstimatedMinutes { get; set; }
    public WorkTaskStatus Status { get; set; } = WorkTaskStatus.Open;
    public string? Notes { get; set; }
    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
    public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;
}
public class TimeEntry
{
    public Guid Id { get; set; } = Guid.NewGuid();
    public Guid? TaskId { get; set; }
    public string Category { get; set; } = "";
    public Guid? GroupId { get; set; }
    public DateOnly Date { get; set; }
    public TimeOnly? StartTime { get; set; }
    public TimeOnly? EndTime { get; set; }
    public int DurationMinutes { get; set; }
    public string? Description { get; set; }
    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
}
public enum TaskCategory { Correction, Preparation, Admin, Meeting, Other }
public enum WorkTaskStatus { Open, InProgress, Done }