package servlets;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;

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

import beans.User;
import dao.UserDao;

/**
 * Servlet implementation class SignInServlet
 */
public class SignInServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;

    /**
     * @see HttpServlet#HttpServlet()
     */
    public SignInServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

		String username = null;
		String password = null;
		String firstName = null;
		String lastName = null;
		String email = null;
		String telephone = null;
		String role = null;
		String image = null;

		if( (request.getParameter("username") != null)
				&& (!request.getParameter("username").equals(""))){
			username = request.getParameter("username");
		}
		if( (request.getParameter("password") != null)
				&& (!request.getParameter("password").equals(""))){
			password = request.getParameter("password");
		}
		if( (request.getParameter("firstName") != null)
				&& (!request.getParameter("firstName").equals(""))){
			firstName = request.getParameter("firstName");
		}
		if( (request.getParameter("lastName") != null)
				&& (!request.getParameter("lastName").equals(""))){
			lastName = request.getParameter("lastName");
		}
		if( (request.getParameter("email") != null)
				&& (!request.getParameter("email").equals(""))){
			email = request.getParameter("email");
		}
		if( (request.getParameter("telephone") != null)
				&& (!request.getParameter("telephone").equals(""))){
			telephone = request.getParameter("telephone");
		}
		if( (request.getParameter("role") != null)
				&& (!request.getParameter("role").equals(""))){
			role = request.getParameter("role");
		}
		if( (request.getParameter("image") != null)
				&& (!request.getParameter("image").equals(""))){
			image = request.getParameter("image");
		}

		User newUser = new User();

		if(username != null) { newUser.setUsername(username);}
		if(password != null) { newUser.setPassword(password);}
		if(firstName != null) { newUser.setFirstName(firstName);}
		if(lastName != null) { newUser.setLastName(lastName);}
		if(email != null) { newUser.setEmail(email);}
		if(telephone != null) { newUser.setTelephoneNumber(telephone);}
		if(role != null) { newUser.setRole(role);}
		if(image != null) { newUser.setPicture(image);}

		UserDao userDao = new UserDao();
		Collection<User> users = userDao.getValues();
		if(userDao.getUser(username) == null){
			users.add(newUser);

			userDao.setUsers((HashMap<String, User>) users);
			userDao.setUserList((ArrayList<User>) users);
		}
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doGet(request, response);
	}

}