import javax.faces.application.FacesMessage;
import javax.faces.context.FacesContext;
import java.io.IOException;

public class LoginService {

    private UserService userService;
    private FacesContext context;

    public void login(User user) {
        context = FacesContext.getCurrentInstance();
        userService = new UserService();

        if (userService.getUsers().containsKey(user.getEmail())
                && user.getPassword().equals(userService.getUsers().get(user.getEmail()))) {
            context.getExternalContext().getSessionMap().put("user", user.getEmail());
            try {
                context.getExternalContext().redirect("main.xhtml");
            } catch (IOException e) {
                e.printStackTrace();
            }
        } else {
            context.addMessage(null, new FacesMessage("Не правильный логин или пароль"));
        }

    }
}