using System.Drawing;
using System.Windows.Forms;
using System.Windows.Forms.VisualStyles;
using LibationUiBase.SeriesView;

namespace LibationWinForms.SeriesView
{
	public class DownloadButtonColumn : DataGridViewButtonColumn
	{
		public DownloadButtonColumn()
		{
			CellTemplate = new DownloadButtonColumnCell();
			CellTemplate.Style.WrapMode = DataGridViewTriState.True;
		}
	}
	internal class DownloadButtonColumnCell : AccessibleDataGridViewButtonCell
    {
        public DownloadButtonColumnCell() : base("Download Series button") { }

        protected override void Paint(Graphics graphics, Rectangle clipBounds, Rectangle cellBounds, int rowIndex, DataGridViewElementStates elementState, object value, object formattedValue, string errorText, DataGridViewCellStyle cellStyle, DataGridViewAdvancedBorderStyle advancedBorderStyle, DataGridViewPaintParts paintParts)
		{
			if (value is not SeriesButton seriesEntry)
            {
                base.Paint(graphics, clipBounds, cellBounds, rowIndex, elementState, null, null, null, cellStyle, advancedBorderStyle, DataGridViewPaintParts.Background | DataGridViewPaintParts.Border);
                return;
            }

            string cellValue = seriesEntry.DisplayText;
            AccessibilityDescription = cellValue;

            if (!seriesEntry.Enabled)
            {
                //Draw disabled button
                Rectangle buttonArea = cellBounds;
                Rectangle buttonAdjustment = BorderWidths(advancedBorderStyle);
                buttonArea.X += buttonAdjustment.X;
                buttonArea.Y += buttonAdjustment.Y;
                buttonArea.Height -= buttonAdjustment.Height;
                buttonArea.Width -= buttonAdjustment.Width;

                ButtonRenderer.DrawButton(graphics, buttonArea, cellValue, cellStyle.Font, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.WordBreak, focused: false, PushButtonState.Disabled);
            }
            else if (seriesEntry.HasButtonAction)
                base.Paint(graphics, clipBounds, cellBounds, rowIndex, elementState, cellValue, cellValue, errorText, cellStyle, advancedBorderStyle, paintParts);
            else
            {
                base.Paint(graphics, clipBounds, cellBounds, rowIndex, elementState, null, null, null, cellStyle, advancedBorderStyle, DataGridViewPaintParts.Background | DataGridViewPaintParts.Border);
                TextRenderer.DrawText(graphics, cellValue, cellStyle.Font, cellBounds, cellStyle.ForeColor);
            }
        }
	}
}