<%#
 Copyright 2013-2017 the original author or authors from the JBooter project.

 This file is part of the JBooter project, see https://jbooter.github.io/
 for more information.

 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.
-%>
package <%=packageName%>.config;

import io.github.jbooter.config.JBooterConstants;

import org.springframework.boot.SpringApplication;
import org.springframework.core.env.Environment;

import java.util.*;

/**
 * Utility class to load a Spring profile to be used as default
 * when there is no <code>spring.profiles.active</code> set in the environment or as command line argument.
 * If the value is not available in <code>application.yml</code> then <code>dev</code> profile will be used as default.
 */
public final class DefaultProfileUtil {

    private static final String SPRING_PROFILE_DEFAULT = "spring.profiles.default";

    private DefaultProfileUtil() {
    }

    /**
     * Set a default to use when no profile is configured.
     *
     * @param app the Spring application
     */
    public static void addDefaultProfile(SpringApplication app) {
        Map<String, Object> defProperties =  new HashMap<>();
        /*
        * The default profile to use when no other profiles are defined
        * This cannot be set in the <code>application.yml</code> file.
        * See https://github.com/spring-projects/spring-boot/issues/1219
        */
        defProperties.put(SPRING_PROFILE_DEFAULT, JBooterConstants.SPRING_PROFILE_DEVELOPMENT);
        app.setDefaultProperties(defProperties);
    }

    /**
     * Get the profiles that are applied else get default profiles.
     *
     * @param env spring environment
     * @return profiles
     */
    public static String[] getActiveProfiles(Environment env) {
        String[] profiles = env.getActiveProfiles();
        if (profiles.length == 0) {
            return env.getDefaultProfiles();
        }
        return profiles;
    }
}
