using Godot;
using Chessistics.Engine.Model;

namespace Chessistics.Scripts.UI;

public partial class MetricsOverlay : PanelContainer
{
    [Signal]
    public delegate void NextLevelPressedEventHandler();
    [Signal]
    public delegate void RetryPressedEventHandler();

    private Label _metricsLabel = null!;

    public override void _Ready()
    {
        var vbox = new VBoxContainer();
        vbox.SetAnchorsPreset(LayoutPreset.Center);

        var title = new Label
        {
            Text = "VICTOIRE !",
            HorizontalAlignment = HorizontalAlignment.Center
        };
        title.AddThemeFontSizeOverride("font_size", 24);
        title.AddThemeColorOverride("font_color", new Color("#FFD700"));
        vbox.AddChild(title);

        vbox.AddChild(new HSeparator());

        _metricsLabel = new Label
        {
            Text = "",
            HorizontalAlignment = HorizontalAlignment.Center
        };
        _metricsLabel.AddThemeFontSizeOverride("font_size", 14);
        vbox.AddChild(_metricsLabel);

        vbox.AddChild(new HSeparator());

        var buttons = new HBoxContainer();
        buttons.Alignment = BoxContainer.AlignmentMode.Center;

        var retryBtn = new Button { Text = "Rejouer" };
        retryBtn.Pressed += () => EmitSignal(SignalName.RetryPressed);
        buttons.AddChild(retryBtn);

        var nextBtn = new Button { Text = "Niveau suivant" };
        nextBtn.Pressed += () => EmitSignal(SignalName.NextLevelPressed);
        buttons.AddChild(nextBtn);

        vbox.AddChild(buttons);
        AddChild(vbox);

        Visible = false;
    }

    public void ShowMetrics(Metrics metrics)
    {
        _metricsLabel.Text = $"Pieces utilisees: {metrics.PiecesUsed}\n" +
                             $"Coups: {metrics.TurnsTaken}\n" +
                             $"Cases occupees: {metrics.CellsOccupied}";
        Visible = true;
    }

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