using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using HiQPdf;

namespace EnVisage.Code
{
	public class PDFExporter
	{
		#region fields and properties
		private HtmlToPdf htmlToPdf;

		public int BrowserWidth
		{
			get
			{
				return htmlToPdf.BrowserWidth;
			}
			set
			{
				htmlToPdf.BrowserWidth = value;
			}
		}
		#endregion

		#region public methods
		/// <summary>
		/// Public constructor. Initializes PDF Converter
		/// </summary>
		public PDFExporter()
		{
			htmlToPdf = new HtmlToPdf();
			htmlToPdf.SerialNumber = AppSettingsManager.HiQPdfSerialNumber;
			htmlToPdf.BrowserWidth = AppSettingsManager.HiQPdfBrowserWidth;
			htmlToPdf.Document.PageSize = PdfPageSize.A4;
			htmlToPdf.Document.PageOrientation = PdfPageOrientation.Landscape;
			htmlToPdf.Document.PdfStandard = PdfStandard.Pdf;
			htmlToPdf.Document.Margins = new PdfMargins(5);
			htmlToPdf.Document.FontEmbedding = true;
		}

		/// <summary>
		/// Waits delaySeconds seconds and then parses the page at url authorized by given cookies collection and returns a byte array to be saved to file
		/// </summary>
		public byte[] ExportPage(string url, int delaySeconds, bool usePrintStylesheet, HttpCookieCollection cookies)
		{
			byte[] pdfBuffer = null;

			htmlToPdf.TriggerMode = ConversionTriggerMode.WaitTime;
			htmlToPdf.WaitBeforeConvert = delaySeconds;

			if (usePrintStylesheet)
				htmlToPdf.MediaType = "print";

			foreach (string key in cookies.Keys)
			{
				htmlToPdf.HttpCookies.AddCookie(cookies[key].Name, cookies[key].Value);
			}

			pdfBuffer = htmlToPdf.ConvertUrlToMemory(url);

			return pdfBuffer;
		}
		#endregion

	}
}