/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch 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.elasticsearch.common.settings;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;

/**
 * A mock implementation of secure settings for tests to use.
 */
public class MockSecureSettings implements SecureSettings {

    private Map<String, SecureString> secureStrings = new HashMap<>();
    private Map<String, byte[]> files = new HashMap<>();
    private Set<String> settingNames = new HashSet<>();

    @Override
    public boolean isLoaded() {
        return true;
    }

    @Override
    public Set<String> getSettingNames() {
        return settingNames;
    }

    @Override
    public SecureString getString(String setting) {
        return secureStrings.get(setting);
    }

    @Override
    public InputStream getFile(String setting) {
        return new ByteArrayInputStream(files.get(setting));
    }

    public void setString(String setting, String value) {
        secureStrings.put(setting, new SecureString(value.toCharArray()));
        settingNames.add(setting);
    }

    public void setFile(String setting, byte[] value) {
        files.put(setting, value);
        settingNames.add(setting);
    }

    @Override
    public void close() throws IOException {}
}