package dk.daoas.daoadresseservice;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import dk.daoas.daoadresseservice.beans.Address;

/**
 * Servlet implementation class CsvUdtraek
 */
@WebServlet("/CsvUdtraek")
public class CsvUdtraek extends HttpServlet {
	private static final long serialVersionUID = 1L;

	
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		String type = request.getParameter("type");
		
		String str;
		switch( type ) {
		case "ikkedaekket":
			str = udtraekIkkeDaekket();
			break;
		default:
			str = "ukendt type"; 
			break;
		}
		
		response.setContentType("text/csv");
		response.getWriter().print(str);
	}
	
	private String udtraekIkkeDaekket() {
		AdressSearch search = (AdressSearch) getServletContext().getAttribute("search");
		if (search == null) {
			return "data struktur ikke indlæst";
		}
		
		StringBuilder sb = new StringBuilder();
		sb.append("gadeid;postnr;vejnavn;husnr;husnrbogstav;distributor\r\n");
		
		for (Address addr : search.getNonCoveredAddresses() ) {
			sb.append( addr.gadeid ).append(";")
				.append( addr.postnr ).append(";")
				.append( addr.vejnavn ).append(";")
				.append( addr.husnr ).append(";")
				.append( addr.husnrbogstav ).append(";")
				.append( addr.distributor != null ? addr.distributor : "" )				
				.append( "\n" );
		}
		
		return sb.toString();
	}

}