Chessistics/Scripts/UI/DetailPanel.cs

using Godot;
using Chessistics.Engine.Model;
using Chessistics.Scripts.Pieces;

namespace Chessistics.Scripts.UI;

public partial class DetailPanel : PanelContainer
{
    [Signal]
    public delegate void RemoveRequestedEventHandler(int pieceId);

    private Label _infoLabel = null!;
    private Button _removeButton = null!;
    private int _currentPieceId;

    public override void _Ready()
    {
        var style = new StyleBoxFlat
        {
            BgColor = new Color(0.14f, 0.14f, 0.16f, 0.95f),
            BorderColor = new Color("#444448"),
            BorderWidthTop = 1,
            CornerRadiusTopLeft = 4, CornerRadiusTopRight = 4,
            ContentMarginLeft = 12, ContentMarginRight = 12,
            ContentMarginTop = 8, ContentMarginBottom = 8
        };
        AddThemeStyleboxOverride("panel", style);

        var vbox = new VBoxContainer();
        vbox.AddThemeConstantOverride("separation", 4);

        var title = new Label { Text = "DETAIL" };
        title.AddThemeFontSizeOverride("font_size", 13);
        title.AddThemeColorOverride("font_color", new Color("#B8942A"));
        vbox.AddChild(title);

        _infoLabel = new Label { Text = "" };
        _infoLabel.AddThemeFontSizeOverride("font_size", 11);
        _infoLabel.AddThemeColorOverride("font_color", new Color("#CCCCCC"));
        vbox.AddChild(_infoLabel);

        _removeButton = new Button { Text = "Retirer", CustomMinimumSize = new Vector2(80, 26) };
        _removeButton.AddThemeFontSizeOverride("font_size", 11);
        var btnStyle = new StyleBoxFlat
        {
            BgColor = new Color("#5A2A2A"),
            CornerRadiusTopLeft = 4, CornerRadiusTopRight = 4,
            CornerRadiusBottomLeft = 4, CornerRadiusBottomRight = 4,
            ContentMarginLeft = 8, ContentMarginRight = 8,
            ContentMarginTop = 2, ContentMarginBottom = 2
        };
        _removeButton.AddThemeStyleboxOverride("normal", btnStyle);
        _removeButton.Pressed += () => EmitSignal(SignalName.RemoveRequested, _currentPieceId);
        vbox.AddChild(_removeButton);

        AddChild(vbox);
        Visible = false;
    }

    public void ShowPiece(PieceSnapshot piece)
    {
        _currentPieceId = piece.Id;
        var kindName = piece.Kind switch
        {
            PieceKind.Pawn => "Pion",
            PieceKind.Rook => "Tour II",
            PieceKind.Bishop => "Fou II",
            PieceKind.Knight => "Cavalier",
            PieceKind.Queen => "Dame",
            _ => piece.Kind.ToString()
        };

        var cargoText = piece.Cargo != null ? piece.Cargo.Value.ToString() : "aucun";
        _infoLabel.Text = $"{kindName} (ID: {piece.Id})\n" +
                          $"Trajet: {piece.StartCell} ↔ {piece.EndCell}\n" +
                          $"Statut social: {piece.SocialStatus}\n" +
                          $"Porte: {cargoText}";
        Visible = true;
    }

    public new void Hide() => Visible = false;

    public int? CurrentPieceId => Visible ? _currentPieceId : null;
}