package jnpf.dmsPermission;

import jnpf.base.UserInfo;
import jnpf.dmsEntity.permission.model.DmsSubjectSet;
import jnpf.permission.OrganizeApi;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Component;

import java.util.Collections;
import java.util.List;

@Component
@RequiredArgsConstructor
public class DmsSubjectResolver {
    private final OrganizeApi organizeApi;

    public DmsSubjectSet resolve(UserInfo user) {
        DmsSubjectSet subjects = new DmsSubjectSet();
        subjects.setUserId(user.getUserId());
        subjects.getDirectOrgIds().addAll(orEmpty(user.getOrganizeIds()));
        subjects.getPositionIds().addAll(orEmpty(user.getPositionIds()));
        subjects.getRoleIds().addAll(orEmpty(user.getRoleIds()));
        subjects.getPlatformGroupIds().addAll(orEmpty(user.getGroupIds()));
        subjects.getAncestorOrgIds().addAll(subjects.getDirectOrgIds());
        for (String orgId : subjects.getDirectOrgIds()) {
            List<String> ancestors = organizeApi.upWardRecursion(orgId);
            if (ancestors != null) {
                subjects.getAncestorOrgIds().addAll(ancestors);
            }
        }
        return subjects;
    }

    private List<String> orEmpty(List<String> values) {
        return values == null ? Collections.<String>emptyList() : values;
    }
}