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/*
 * Copyright 2017-2022 original authors
 *
 * 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
 *
 * https://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 io.micronaut.starter.template;

import com.typesafe.config.Config;
import com.typesafe.config.ConfigFactory;
import com.typesafe.config.ConfigRenderOptions;

import java.io.IOException;
import java.io.OutputStream;
import java.nio.charset.StandardCharsets;
import java.util.Map;

public class Config4kTemplate extends DefaultTemplate {

    private final Config config;

    public Config4kTemplate(String path, Map values) {
        this(DEFAULT_MODULE, path, values);
    }

    public Config4kTemplate(String module, String path, Map values) {
        super(module, path);
        config = ConfigFactory.parseMap(values);
    }

    @Override
    public void write(OutputStream outputStream) throws IOException {
        String renderedConfig = config.root().render(renderOptions());
        outputStream.write(renderedConfig.getBytes(StandardCharsets.UTF_8));
    }

    private ConfigRenderOptions renderOptions() {
        ConfigRenderOptions options = ConfigRenderOptions.defaults();
        options = options.setOriginComments(false);
        return options.setJson(false);
    }
}