// Last edited on 2014-12-17 02:46:12 by stolfilocal
package quack;

import java.io.IOException;
import java.util.List;
import javax.servlet.http.HttpServletResponse;
import quack.HTMLTools;
import quack.HTMLToolsImpl;

public class HTMLImpl implements HTML {

    private HTMLTools tools = null;
    
    private Server server = null;

    @Override
    public HTML initialize(Server server) {
        this.tools = new HTMLToolsImpl().initialize(server);
        this.server = server;
        return this;
    }

    @Override
    public void errorPage(HttpServletResponse response, String msg) {
	response.setContentType("text/html");
	System.out.println("Erro: " + msg);
	try {
            java.io.PrintWriter wr = response.getWriter();
            User requestor = null; // Por enquanto, a página de erro independe de login.
            tools.writePageHeader(wr, requestor, "Error Page");
	    wr.format("<p><span class=\"error\">%s</span></p>\n", msg);
            tools.writePageTrailer(wr, requestor);
	} catch (IOException e) {
	    System.out.println("Erro ao montar página.");
	    e.printStackTrace();
	}
    }

    @Override
    public void homePage(HttpServletResponse response, User requestor) {
	try {
	    // !!{ Eliminar ".jsp" }!!
            response.sendRedirect("Quack/pub/LoginPage.jsp");
	} catch (IOException e) {
	    this.errorPage(response, "Problemas ao gerar home page.");
	    e.printStackTrace();
	}
    }

    @Override
    public void loginPage(HttpServletResponse response) {
	try {
	    // !!{ Eliminar ".jsp" }!!
            response.sendRedirect("LoginPage.jsp");
	} catch (IOException e) {
	    this.errorPage(response, "Problemas ao gerar página de login.");
	    e.printStackTrace();
	}
    }

    @Override
    public void loginSuccessfulPage
      ( HttpServletResponse response, 
        User requestor, 
        String cookie
        ) {
	try {
	    // !!{ Eliminar ".jsp" }!!
            String loginName = requestor.getLoginName();
            response.sendRedirect("/Quack/UserPage.jsp" + "?u=" + loginName + "&cookie=" + cookie);
	} catch (IOException e) {
	    this.errorPage(response, "Problemas ao gerar página de boas-vindas.");
	    e.printStackTrace();
	}
    }
    
    @Override
    public void userProfilePage
      ( HttpServletResponse response, 
        User requestor, 
        User user, 
        Contact contact
        ) {
	try {
	    // !!{ Eliminar ".jsp" }!!
            String loginName = user.getLoginName();
            response.sendRedirect("/Quack/UserPage.jsp" + "?u=" + loginName);
	} catch (IOException e) {
	    this.errorPage(response, "Problemas ao gerar página de perfil de usuário.");
	    e.printStackTrace();
	}
    }

    @Override
    public void listPage
        ( HttpServletResponse response, 
          User requestor, 
          String title, 
          List list,
          int start,
          int n,
          String requestCmd, 
          User user,
          int maxN
          ) {
	try {
            java.io.PrintWriter wr = response.getWriter();
            tools.writePageHeader(wr, requestor, title);
            tools.writeListWithNavLinks(wr, requestor, list, start, n, requestCmd, user, maxN);
            tools.writePageTrailer(wr, requestor);
	} catch (IOException e) {
	    System.out.println("Erro ao montar página.");
	    e.printStackTrace();
	}
    }
}