package mk.ukim.finki.wp.service.impl;

import mk.ukim.finki.wp.model.Group;
import mk.ukim.finki.wp.service.GroupService;
import org.springframework.stereotype.Service;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;

/**
 * Created by win7 on 29-Nov-16.
 */
@Service
public class GroupServiceImpl implements GroupService {

    private static Map<Long, Group> idToGroup;

    public GroupServiceImpl() {
        idToGroup = new TreeMap<Long, Group>();
        idToGroup.put(new Long(1111), new Group(1111, "Test0", 20, 6));
        idToGroup.put(new Long(2222), new Group(2222, "Test1", 20, 3));
        idToGroup.put(new Long(3333), new Group(3333, "Test2", 40, 1));
        idToGroup.put(new Long(4444), new Group(4444, "Test3", 40, 9));
    }

    public List<Group> findAll() {
        return new ArrayList<Group>(idToGroup.values());
    }

    public Group findById(Long id) {
        return idToGroup.get(id);
    }

    public void save(Group entity) {
        idToGroup.put(entity.getId(), entity);
    }

    public void update(Long id, Group entity) {
        idToGroup.put(id, entity);
    }

    public void delete(Long id) {
        idToGroup.remove(id);
    }
}