using Content.Client.Stylesheets;
using Content.Client.UserInterface.Controls;
using Robust.Client.AutoGenerated;
using Robust.Client.Graphics;
using Robust.Client.UserInterface;
using Robust.Client.UserInterface.Controls;
using Robust.Client.UserInterface.XAML;
using Robust.Shared.Utility;

namespace Content.Client.Instruments.UI;

[GenerateTypedNameReferences]
public sealed partial class InstrumentMenu : FancyWindow
{
    private InstrumentMidiSourceBase? _currentMode;

    public InstrumentMenu()
    {
        RobustXamlLoader.Load(this);

        var styleBox = new StyleBoxFlat
        {
            BorderThickness = new Thickness(0),
            Padding = new Thickness(10),
        };

        MainTabContainer.PanelStyleBoxOverride = styleBox;
        MainTabContainer.SetTabTitle(0, Loc.GetString("instruments-component-menu-play-tab-title"));
        MainTabContainer.SetTabTitle(1, Loc.GetString("instruments-component-menu-config-tab-title"));
    }

    protected override void ExitedTree()
    {
        base.ExitedTree();
        _currentMode?.Disable();
    }

    /// <summary>
    /// Registers the passed midi source controls as children of this instrument menu and creates a button
    /// for each one on the left hand side of the menu.
    /// </summary>
    /// <param name="sources">The sources to be registered</param>
    public void SetupSources(params InstrumentMidiSourceBase[] sources)
    {
        var group = new ButtonGroup();
        for (var i = 0; i < sources.Length; i++)
        {
            var source = sources[i];
            var button = new Button();
            button.Text = source.ButtonName;
            button.Group = group;
            button.OnPressed += _ => { SwitchMode(source); };
            MidiSourceButtonsBoxContainer.Children.Add(button);
            MidiSourcesContainer.Children.Add(source);
            source.VerticalExpand = true;
            source.HorizontalExpand = true;
            source.Visible = false;

            // Set nicer style classes depending on button position.
            if (i == 0)
            {
                button.Pressed = true;
                button.StyleClasses.Add("OpenLeft");
            }
            else if (i == sources.Length - 1)
            {
                button.StyleClasses.Add("OpenRight");
            }
            else
            {
                button.StyleClasses.Add("OpenBoth");
            }
        }
    }

    /// <summary>
    /// Takes the given control and registers it as an option for the configuration tab control.
    /// </summary>
    /// <param name="name">The string to display on the tab header for this configuration.</param>
    /// <param name="ctrl">The control used for this configuration.</param>
    /// <returns>The new control.</param>
    public MidiConfigurationControl AddConfigurationControl(string name, Control ctrl)
    {
        var formatted = new FormattedMessage();
        var cfgCtrl = new MidiConfigurationControl();

        ctrl.VerticalExpand = true;
        ctrl.Margin = new Thickness(5);

        formatted.AddMarkupOrThrow($"[bold]{name}[/bold]");
        cfgCtrl.Header.SetMessage(formatted, Color.FromHex("#A88B5E"));

        cfgCtrl.Panel.AddChild(ctrl);

        ConfigurationItemsContainer.AddChild(cfgCtrl);
        return cfgCtrl;
    }

    /// <summary>
    /// Disables & hides the currently active source control, then enables & shows the given one.
    /// </summary>
    /// <param name="source">The source control to enable.</param>
    /// <remarks>The given source must be registered first using the <see cref="SetupSources" /> function.</remarks>
    public void SwitchMode(InstrumentMidiSourceBase source)
    {
        _currentMode?.Disable();
        _currentMode = source;
        _currentMode.Enable();
    }

    /// <summary>
    /// When true, overlays the menu with a notice that MIDI is currently not available.
    /// </summary>
    /// <param name="available">Set to true when MIDI is available.</param>
    /// <remarks>This should be set to false when MIDI playback is not available on the system.</remarks>
    public void SetMidiAvailability(bool available)
    {
        UnavailableOverlay.Visible = !available;
    }

    /// <summary>
    /// Takes an entity with an <see cref="InstrumentComponent" /> and displays its sprite on the left hand side.
    /// </summary>
    /// <param name="entity">The entity to display.</param>
    public void SetInstrument(Entity<InstrumentComponent> entity)
    {
        InstrumentSpriteView.SetEntity(entity);
    }
}