using Godot;
 
namespace UI.TileSetEditorSegment;
 
public partial class TileSelected : VBoxContainer, IUiNodeScript
{
    private TileSetEditorSegment.RightBg _rightBg;
    private UiGrid<TileSetEditorSegment.CellButton, Vector2I> _grid;
    
    public void SetUiNode(IUiNode uiNode)
    {
        _rightBg = (TileSetEditorSegment.RightBg)uiNode;
 
        _grid = new UiGrid<TileSetEditorSegment.CellButton, Vector2I>(_rightBg.L_ScrollContainer.L_CellButton, typeof(TileCell));
        _grid.SetCellOffset(new Vector2I(5, 5));
        _grid.SetAutoColumns(true);
        _grid.SetHorizontalExpand(true);
        
        _rightBg.UiPanel.AddEventListener(EventEnum.OnImportTileCell, OnImportCell);
        _rightBg.UiPanel.AddEventListener(EventEnum.OnRemoveTileCell, OnRemoveCell);
    }
 
    /// <summary>
    /// 导入选中的Cell图块
    /// </summary>
    private void OnImportCell(object obj)
    {
        if (obj is Vector2I cell)
        {
            _grid.Add(cell);
            _grid.Sort();
        }
    }
    
    /// <summary>
    /// 移除选中的Cell图块
    /// </summary>
    private void OnRemoveCell(object obj)
    {
        if (obj is Vector2I cell)
        {
            var uiCell = _grid.Find(c => c.Data == cell);
            if (uiCell != null)
            {
                _grid.RemoveByIndex(uiCell.Index);
            }
        }
    }
 
    public void OnDestroy()
    {
        _grid.Destroy();
    }
    
 
    /// <summary>
    /// 改变TileSet纹理
    /// </summary>
    public void OnChangeTileSetTexture(Texture2D texture)
    {
        _grid.RemoveAll();
    }
}