/*-
 * ============LICENSE_START=======================================================
 * VID
 * ================================================================================
 * Copyright (C) 2017 - 2019 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * Licensed 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.
 * ============LICENSE_END=========================================================
 */

package org.onap.vid.roles;

import java.util.List;
import org.apache.commons.lang3.StringUtils;

public class RoleValidatorBySubscriberAndServiceType implements RoleValidator {

    private final List<Role> userRoles;

    RoleValidatorBySubscriberAndServiceType(List<Role> roles) {
        this.userRoles = roles;
    }

    @Override
    public boolean isSubscriberPermitted(String subscriberId) {
        for (Role role : userRoles) {
            if (role.getSubscriberId().equals(subscriberId)) {
                return true;
            }
        }
        return false;
    }

    @Override
    public boolean isServicePermitted(WithPermissionProperties permissionProperties) {
        if (permissionProperties instanceof WithPermissionPropertiesSubscriberAndServiceType) {
            return isServicePermitted(
                (WithPermissionPropertiesSubscriberAndServiceType) permissionProperties
            );
        }
        return false;
    }

    private boolean isServicePermitted(WithPermissionPropertiesSubscriberAndServiceType permissionProperties) {
        return userRoles.stream().anyMatch(userRole ->
            StringUtils.equals(userRole.getSubscriberId(), permissionProperties.getSubscriberId())
                && StringUtils.equals(userRole.getServiceType(), permissionProperties.getServiceType())
        );
    }

    @Override
    public boolean isTenantPermitted(String subscriberId, String serviceType, String tenantName) {
        for (Role role : userRoles) {
            if (role.getSubscriberId().equals(subscriberId)
                && role.getServiceType().equals(serviceType)
                && (role.getTenant() == null || role.getTenant().equalsIgnoreCase(tenantName))) {
                return true;
            }
        }
        return false;
    }

}