using DonkeysAndDroids;
using Godot;
using RobotAndDonkey.Game.Execution.Commands;
using RobotAndDonkey.Game.Execution.Results;

public partial class BufferOverflow : Control, IScreen
{
    public override void _Ready()
    {
        m_Hand = GetNode<CardRow>("%Hand");
        m_Remove = GetNode<Button>("%Remove");
        m_Remove.Pressed += OnRemovePressed;
        m_Skip = GetNode<Button>("%Skip");
        m_Skip.Pressed += OnSkipPressed;
        m_Hand.Connect(CardRow.SignalName.SelectionChanged, new(this, nameof(OnSelectionChanged)));
    }

    private void OnSelectionChanged(CardControl[] selection)
    {
        if (selection.Length != 1)
        {
            m_DestroyCardCommand = null;
            return;
        }

        m_DestroyCardCommand = new(Main.Instance.CurrentRequest.RequestId, m_Hand.OrderedCards.IndexOf(selection[0].Card));
    }

    private void OnRemovePressed()
    {
        Main.Instance.Execute(m_DestroyCardCommand);
    }

    private void OnSkipPressed()
    {
        Main.Instance.Execute(m_StopBufferOverflowCommand);
    }

    public void Deactivate()
    {
    }

    public void EnableInputs()
    {
        m_Remove.Disabled = false;
        m_Skip.Disabled = false;
    }

    public void DisableInputs()
    {
        m_Remove.Disabled = true;
        m_Skip.Disabled = true;
    }

    public void Activate()
    {
    }

    public bool HandleResult(Result result, Tween tween)
    {
        switch (result)
        {
            case HandResult handResult:
            {
                m_Hand.Configure(handResult.Hand, tween, true, false);
                return true;
            }
        }

        return false;
    }

    public override void _Process(double delta)
    {
        m_Skip.Disabled = m_StopBufferOverflowCommand == null || !m_StopBufferOverflowCommand.IsValid(Main.Instance.CoreLoop, out _);
        m_Remove.Disabled = m_DestroyCardCommand == null || !m_DestroyCardCommand.IsValid(Main.Instance.CoreLoop, out _);
    }

    public void Configure(Tween tween)
    {
        m_Hand.Configure(Main.Instance.CoreLoop.Hand, tween, false, false);
        m_StopBufferOverflowCommand = new(Main.Instance.CurrentRequest.RequestId);
    }

    private DestroyCardCommand m_DestroyCardCommand;

    private CardRow m_Hand;
    private Button m_Remove;
    private Button m_Skip;
    private StopBufferOverflowCommand m_StopBufferOverflowCommand;
}