using Robust.Client.AutoGenerated;
using Robust.Client.UserInterface;
using Robust.Client.UserInterface.Controls;
using Robust.Client.UserInterface.XAML;
using Robust.Shared.Input;

namespace Content.Client.Instruments.UI;

[GenerateTypedNameReferences]
public sealed partial class ChannelItem : Control
{
    /// <summary>
    /// Raised when a channel is toggled by the user.
    /// </summary>
    public event Action<int, bool>? SwitchFilteredChannel;

    /// <summary>
    ///  MIDI channel ID this item is assigned to.
    /// </summary>
    public int ChannelId
    {
        get;
        set
        {
            field = value;
            ChannelNumberLabel.Text = (value + 1).ToString();
        }
    }

    /// <summary>
    /// UI state (on/off) of this channel item.
    /// </summary>
    public bool ChannelState
    {
        get => ChannelEnableSwitchButton.Pressed;
        set => ChannelEnableSwitchButton.Pressed = value;
    }

    /// <summary>
    /// Name of this channel item in the UI.
    /// </summary>
    public string? ChannelName
    {
        get => ChannelNameLabel.Text;
        set => ChannelNameLabel.Text = value;
    }

    public ChannelItem()
    {
        RobustXamlLoader.Load(this);
        IoCManager.InjectDependencies(this);

        ChannelEnableSwitchButton.OnPressed += OnChannelEnableSwitchButtonPressed;
        MouseFilter = MouseFilterMode.Stop;
    }

    protected override void KeyBindUp(GUIBoundKeyEventArgs args)
    {
        base.KeyBindUp(args);
        if (args.Function != EngineKeyFunctions.UIClick)
            return;

        ChannelState = !ChannelState;
        SwitchFilteredChannel?.Invoke(ChannelId, ChannelState);
    }

    private void OnChannelEnableSwitchButtonPressed(BaseButton.ButtonEventArgs obj)
    {
        SwitchFilteredChannel?.Invoke(ChannelId, ChannelState);
    }
}