package ciai.security;

import java.io.IOException;

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

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.Authentication;
import org.springframework.security.web.authentication.SimpleUrlAuthenticationSuccessHandler;
import org.springframework.stereotype.Component;

import ciai.model.Account;
import ciai.model.Professor;
import ciai.model.Student;
import ciai.service.AppService;
import tools.AccountRole;

@Component
public class AuthenticationSuccess extends SimpleUrlAuthenticationSuccessHandler {

	@Autowired
	AppService service;

	@Override
	public void onAuthenticationSuccess(HttpServletRequest request, HttpServletResponse response,
			Authentication authentication) throws IOException, ServletException {

		String username = request.getParameter("username");
		Account ac = service.getAccountByUsername(username);

		if (ac != null) {

			AccountRole accRole = ac.getRole().getDescription();

			if (accRole.equals(AccountRole.STUDENT)) {
				Student s = service.getStudentByAccount(ac);
				response.addHeader("redirect", "/student/" + s.getNumber());
			} else if (accRole.equals(AccountRole.PROFESSOR) || accRole.equals(AccountRole.ASSISTANT)) {
				Professor p = service.getProfessorByAccount(ac);
				response.addHeader("redirect", "/professor/" + p.getId());
			}

		} else {
			response.sendError(500, "Account doesn't exist");
		}
	}

}