/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.usergrid.security.shiro.principals;


import java.util.Map;
import java.util.UUID;

import com.google.common.collect.HashBiMap;
import org.apache.commons.lang.StringUtils;
import org.apache.usergrid.corepersistence.util.CpNamingUtils;
import org.apache.usergrid.management.ApplicationInfo;
import org.apache.usergrid.management.ManagementService;
import org.apache.usergrid.management.OrganizationInfo;
import org.apache.usergrid.persistence.EntityManagerFactory;
import org.apache.usergrid.security.shiro.Realm;
import org.apache.usergrid.security.shiro.UsergridAuthorizationInfo;
import org.apache.usergrid.security.tokens.TokenService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;


public class OrganizationPrincipal extends PrincipalIdentifier {

    private static final  Logger logger = LoggerFactory.getLogger(OrganizationPrincipal.class);

    OrganizationInfo organization;

    /**
     * Needed for Jackson, do not remove
     */
    public OrganizationPrincipal() {
    }


    public OrganizationPrincipal(OrganizationInfo organization) {
        this.organization = organization;
    }


    public OrganizationInfo getOrganization() {
        return organization;
    }


    public UUID getOrganizationId() {
        return organization.getUuid();
    }


    @Override
    public String toString() {
        return organization.toString();
    }

    @Override
    public UUID getApplicationId() {
        return CpNamingUtils.MANAGEMENT_APPLICATION_ID;
    }

    @Override
    public void grant(
        UsergridAuthorizationInfo info,
        EntityManagerFactory emf,
        ManagementService management,
        TokenService tokens) {

        // OrganizationPrincipals are usually only through OAuth
        // They have access to a single organization

        Map<UUID, String> organizationSet = HashBiMap.create();
        Map<UUID, String> applicationSet = HashBiMap.create();
        ApplicationInfo application = null;

        role(info, Realm.ROLE_ORGANIZATION_ADMIN);
        role(info, Realm.ROLE_APPLICATION_ADMIN);

        grant(info, "organizations:access:" + organization.getUuid());
        organizationSet.put(organization.getUuid(), organization.getName());

        Map<UUID, String> applications = null;

        try {
            applications = management.getApplicationsForOrganization(organization.getUuid());
        } catch (Exception e) {
            //todo seems to just be ignored, seems like a bad ida...
            logger.error("Error in OrganizationPrincipal.grant()", e);

        }

        if ((applications != null) && !applications.isEmpty()) {
            grant(info, "applications:admin,access,get,put,post,delete:" + StringUtils
                .join(applications.keySet(), ','));

            applicationSet.putAll(applications);
        }

        info.setOrganization(organization);
        info.addOrganizationSet(organizationSet);
        //todo application is always null here - never is set
        info.setApplication(application);
        info.addApplicationSet(applicationSet);
    }
}