package at.ucs.magnolia.updates.util;

import info.magnolia.cms.util.StringLengthComparator;
import info.magnolia.importexport.BootstrapUtil;
import info.magnolia.init.MagnoliaConfigurationProperties;
import info.magnolia.objectfactory.Components;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.jcr.Node;
import javax.jcr.RepositoryException;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.*;

/**
 * This class is exactly working like the original BootstrapUtil class of Magnolia,
 * with the only difference, that it substitutes Magnolia Property placeholders
 * with their actual value, since this is not implemented for bootstrap yamls by Magnolia
 */
public class UcsBootstrapUtil {
    private static final Logger log = LoggerFactory.getLogger(BootstrapUtil.class);

    public static void bootstrap(String[] resourceNames, int importUUIDBehavior) throws IOException, RepositoryException {
        // sort by length --> import parent node firstsubPath
        List<String> list = new ArrayList<>(Arrays.asList(resourceNames));
        if (list.contains(null)) {
            throw new IllegalArgumentException("Resource names contain a <null> entry that cannot be processed.");
        }

        Collections.sort(list, new StringLengthComparator());

        for (Iterator<String> iter = list.iterator(); iter.hasNext(); ) {
            bootstrap(iter.next(), null, importUUIDBehavior);
        }
    }

    public static void bootstrap(String resourceName, String subPath, int importUUIDBehavior) throws IOException, RepositoryException {
        final InputStream stream = BootstrapUtil.class.getResourceAsStream(resourceName);
        if (stream == null) {
            throw new IOException("Can't find resource to bootstrap at " + resourceName);
        }

        MagnoliaConfigurationProperties magnoliaConfiguration = Components.getComponent(MagnoliaConfigurationProperties.class);
        InputStream resolvedStream = MagnoliaPropertyResolver.resolve(magnoliaConfiguration, stream);
        // Verify if the node already exists and execute jcr import command
        bootstrap(resourceName, subPath, resolvedStream, importUUIDBehavior);
    }

    public static void bootstrap(String resourceName, String subPath, InputStream stream, int importUUIDBehavior) throws RepositoryException {
        BootstrapUtil.bootstrap(resourceName, subPath, stream, importUUIDBehavior);
    }

    public static void export(Node content, File directory) throws IOException, RepositoryException {
        BootstrapUtil.export(content, directory);
    }

}