using CommunityToolkit.Mvvm.ComponentModel;
using LehrerApp.Core.Models;
using System.Collections.ObjectModel;

namespace LehrerApp.Desktop.ViewModels.Students;

/// <summary>Ein Gesprächspunkt während des begleiteten Elternanrufs, abhakbar (5.1: Elternanruf).</summary>
public partial class ParentCallPointItem : ObservableObject
{
    public Guid Id { get; }
    public string Text { get; }

    [ObservableProperty] private bool _isDone;

    public ParentCallPointItem(ParentCallPoint p)
    {
        Id = p.Id;
        Text = p.Text;
        IsDone = p.IsDone;
    }
}

/// <summary>
/// Begleitet einen Elternanruf während des Gesprächs: geplante Punkte abhaken, Eindrücke und
/// Ergänzungen festhalten, als Protokoll speichern.
/// </summary>
public partial class ParentCallSessionViewModel : ObservableObject
{
    private readonly Documentation _documentation;

    public string StudentTitle { get; }
    public ObservableCollection<ParentCallPointItem> Points { get; } = [];

    [ObservableProperty] private string _impressions;

    public Documentation? Result { get; private set; }

    public ParentCallSessionViewModel(Documentation documentation, string studentTitle)
    {
        _documentation = documentation;
        StudentTitle = studentTitle;
        _impressions = documentation.ParentCallData?.Impressions ?? "";
        foreach (var p in documentation.ParentCallData?.Points ?? [])
            Points.Add(new ParentCallPointItem(p));
    }

    public void SaveProtocol()
    {
        _documentation.ParentCallData = new ParentCallData
        {
            Points = Points.Select(p => new ParentCallPoint { Id = p.Id, Text = p.Text, IsDone = p.IsDone }).ToList(),
            Impressions = Impressions.Trim(),
            IsConducted = true,
            ConductedDate = DateOnly.FromDateTime(DateTime.Today),
        };
        Result = _documentation;
    }
}