/*-
 * ========================LICENSE_START=================================
 * O-RAN-SC
 * %%
 * Copyright (C) 2019 AT&T Intellectual Property
 * Modifications Copyright (C) 2020 Nordix Foundation
 * %%
 * 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.oransc.portal.nonrtric.controlpanel;

import java.lang.invoke.MethodHandles;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.ComponentScan;

@SpringBootApplication
// Limit scan to controlpanel classes; exclude generated API classes
@ComponentScan("org.oransc.portal.nonrtric.controlpanel")
public class ControlPanelApplication {

    private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());

    public static void main(String[] args) {
        SpringApplication.run(ControlPanelApplication.class);
        // Ensure this appears on the console by using level WARN
        logger.warn("main: version '{}' successful start",
            getImplementationVersion(MethodHandles.lookup().lookupClass()));
    }

    /**
     * Gets version details for the specified class.
     *
     * @param clazz Class to get the version
     *
     * @return the value of the MANIFEST.MF property Implementation-Version as
     *         written by maven when packaged in a jar; 'unknown' otherwise.
     */
    public static String getImplementationVersion(Class<?> clazz) {
        String classPath = clazz.getResource(clazz.getSimpleName() + ".class").toString();
        return classPath.startsWith("jar") ? clazz.getPackage().getImplementationVersion() : "unknown-not-jar";
    }

}