/*-
 * ============LICENSE_START=======================================================
 * ONAP CLAMP
 * ================================================================================
 * Copyright (C) 2019 Samsung. 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.clamp.clds.it;

import static org.onap.clamp.authorization.AuthorizationController.PERM_PREFIX;
import static org.onap.clamp.clds.config.ClampProperties.CONFIG_PREFIX;

import java.util.LinkedList;
import java.util.List;
import java.util.Map;

import org.springframework.mock.env.MockEnvironment;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;

public class PermissionTestHelper {

    private static final String securityPrefix = CONFIG_PREFIX + PERM_PREFIX;
    private final Map<String, Map> permission;
    private static final List<GrantedAuthority> authList = new LinkedList<>();

    /**
     * Permission Test Helper constructor
     * Generate authList base on general permission collection
     */
    public PermissionTestHelper(Map<String, Map> permission) {
        this.permission = permission;
        this.createAuthList();
    }

    private void createAuthList() {
        permission.forEach((type, instanceMap) -> instanceMap.forEach((instance, actionList) -> {
            for (String action : (String[]) actionList) {
                authList.add(new SimpleGrantedAuthority(type + "|" + instance + "|" + action));
            }
        }));
    }

    List<GrantedAuthority> getAuthList() {
        return authList;
    }

    void setupMockEnv(MockEnvironment env) {
        permission.forEach((type, instanceMap) -> env.withProperty(securityPrefix + type, type));
    }

    void doActionOnAllPermissions(PermissionAction action) {
        permission.forEach((type, instanceMap) -> instanceMap.forEach((instance, actionList) -> {
            for (String actionName : (String[]) actionList) {
                action.doAction(type, (String) instance, actionName);
            }
        }));
    }

    @FunctionalInterface
    public interface PermissionAction {
        void doAction(String type, String instance, String action);
    }
}