using ArkhamPnP.Data;
using iText.Kernel.Pdf;
using iText.Layout;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography.Xml;
using System.Text;
using System.Threading.Tasks;

namespace ArkhamPnP
{
	internal class PDFComposer
	{
		const float PAGE_WIDTH = 210; // mm
		const float PAGE_HEIGHT = 297; // mm
		const float CARD_WIDTH = 63; // mm
		const float CARD_HEIGHT = 89; // mm
		const float FRONT_PADDING = 3; // mm
		const float MARGIN_SIDE = 5; // mm
		const float MARGIN_TOP_BOTTOM = 5; // mm

		public void PrintCards(List<Card> cards, string destinationPath)
		{
			var pdfDoc = new PdfDocument(new PdfWriter(destinationPath));
			var doc = new Document(pdfDoc, new iText.Kernel.Geom.PageSize(PAGE_WIDTH, PAGE_HEIGHT));
			// compute card amount on page
			int grid_width = 0;
			while (CARD_WIDTH * (grid_width + 1) + FRONT_PADDING * (grid_width + 1 - 1) +
				2 * MARGIN_SIDE <= PAGE_WIDTH) grid_width++;
			int grid_height = 0;
			while (CARD_HEIGHT * (grid_height + 1) + FRONT_PADDING * (grid_height + 1 - 1) +
				2 * MARGIN_TOP_BOTTOM <= PAGE_HEIGHT) grid_height++;
			Console.WriteLine("Will produce grid of cards " + grid_height + "x" + grid_width);
		}
	}
}