package ciai.security;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.userdetails.User;
import org.springframework.stereotype.Service;

import ciai.model.Account;
import ciai.model.Edition;
import ciai.model.Professor;
import ciai.model.Student;
import ciai.service.AppService;

@Service
public class SecurityService {

	@Autowired
	AppService service;

	public boolean isStudentPage(final int number) {

		User user = (User) SecurityContextHolder.getContext().getAuthentication().getPrincipal();

		try {
			Student student = service.getStudentByNumber(number);
			Account a = student.getAccount();

			if (a.getUsername().equals(user.getUsername()))
				return true;

			return false;

		} catch (Exception e) {
			return false;
		}

	}

	public boolean isProfessorPage(final Long id) {
		
		User user = (User) SecurityContextHolder.getContext().getAuthentication().getPrincipal();

		try {
			Professor prof = service.getProfessor(id);
			Account a = prof.getAccount();
			if (a.getUsername().equals(user.getUsername())){
				return true;
			}

			return false;
		} catch (Exception e) {
			return false;
		}

	}
	
	public boolean isProfessorOfEdition(final Long eid){
		
		User user = (User) SecurityContextHolder.getContext().getAuthentication().getPrincipal();

		try{
			Account a = service.getAccountByUsername(user.getUsername());
			Professor prof = service.getProfessorByAccount(a);
			for(Edition e : prof.getEditions()){
				if(e.getId() == eid)
					return true;
			}
			return false;
		}catch(Exception e){
			return false;
		}
		
	}

}