using System.ComponentModel;
using Pf2eModel;
using Pf2eModel.Model.Enum;

namespace Pf2eViewer;

public partial class MainViewForm : Form
{
    public Pf2eDbContext Context = new();

    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
    public EntityView? CurrentView
    {
        get => EntityTreeViewerControl.EntityView;
        set
        {
            EntityTreeViewerControl.EntityView = value;
            Application.DoEvents();
        }
    }

    public MainViewForm()
    {
        InitializeComponent();

        DatabaseViewer.EntityChange += DatabaseViewer_EntityChange;

        Reset();
    }

    public void Reset()
    {
        Context.Dispose();
        Context = new();

        TypesListBox.DataSource = Context
            .Entities.Select(e => e.Type)
            .Distinct()
            .OrderBy(t => t.ToString())
            .ToList();
        TypesListBox.SelectedIndex = 0;
    }

    private void TypesListBox_SelectedIndexChanged(object sender, EventArgs _)
    {
        if (TypesListBox.SelectedItem is null)
        {
            return;
        }

        CurrentView = null;

        DatabaseViewer.Type = (EntityType)TypesListBox.SelectedItem;
    }

    private void DatabaseViewer_EntityChange(EntityView newEntity)
    {
        CurrentView = newEntity;

        DescriptionTextBox.Text = newEntity.Entity!.Description;
    }
}