@SuppressWarnings("serial")
@WebServlet(description = "Retourne le pdf des tours de services du mois choisi", urlPatterns = { "*.xhtml" })
@FieldDefaults(level = AccessLevel.PRIVATE)
public class GenererPDFServlet extends HttpServlet
{

	String chemin = "#{resource['pdf:planning.pdf']}";

	FacadeTourDeService facadeTourDeService;

	List<TourDeService> listeTourService = facadeTourDeService.getDao().readAll();

	/**
	 * @see HttpServlet#service(HttpServletRequest request, HttpServletResponse
	 *      response)
	 */
	protected void service(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException
	{
		
		try
		{
			Document pdf = this.genererPDF(listeTourService);
		} catch (DocumentException e)
		{
			// TODO Auto-generated catch block
			e.printStackTrace();
		}

		response.setContentType("application/octet-stream");
		
		OutputStream out = response.getOutputStream();
		
		

	}

	private Document genererPDF(List<TourDeService> lstTour) throws DocumentException, IOException
	{
		FileOutputStream fos = this.getFileOutputStream(chemin);

		Document document = this.getDocument(fos);

		document.add(new Paragraph(this.genererLignesPDF(lstTour)));

		document.close();

		fos.close();

		return document;
	}

	private FileOutputStream getFileOutputStream(String chemin) throws FileNotFoundException
	{
		File file = new File(chemin);

		FileOutputStream fos = new FileOutputStream(file);

		return fos;
	}

	private Document getDocument(FileOutputStream fos) throws DocumentException
	{
		Document document = new Document();

		PdfWriter.getInstance(document, fos);

		document.open();

		return document;
	}

	private String genererLignesPDF(List<TourDeService> lstTourDeService)
	{
		StringBuilder sb = new StringBuilder();

		for (TourDeService tourDeService : lstTourDeService)
		{
			sb.append(tourDeService.getPersonnel().getNom());
			sb.append(": ");
			sb.append(tourDeService.getTypeTourService());
			sb.append("du ");
			sb.append(tourDeService.getDateHeureDebut());
			sb.append("au ");
			sb.append(tourDeService.getDateHeureFin());
			sb.append("\n");
		}

		return sb.toString();
	}

}