//
//$LastChangedDate$
//$LastChangedRevision$
//$LastChangedBy$
//

package net.yacy.htroot;

import java.io.File;
import java.util.ArrayList;
import java.util.List;

import net.yacy.cora.protocol.RequestHeader;
import net.yacy.search.Switchboard;
import net.yacy.search.SwitchboardConstants;
import net.yacy.server.serverObjects;
import net.yacy.server.serverSwitch;
import net.yacy.server.servletProperties;
import net.yacy.server.http.RobotsTxtConfig;

public class robots {

    public static servletProperties respond(@SuppressWarnings("unused") final RequestHeader header, @SuppressWarnings("unused") final serverObjects post, final serverSwitch env) {
        final servletProperties prop = new servletProperties();
        final RobotsTxtConfig rbc = ((Switchboard)env).robotstxtConfig;

        if (rbc.isAllDisallowed()) {
            prop.put(RobotsTxtConfig.ALL, 1);
        } else {
            if (rbc.isBlogDisallowed()) prop.put(RobotsTxtConfig.ALL + "_" + RobotsTxtConfig.BLOG, "1");
            if (rbc.isBookmarksDisallowed()) prop.put(RobotsTxtConfig.ALL + "_" + RobotsTxtConfig.BOOKMARKS, "1");
            if (rbc.isFileshareDisallowed()) prop.put(RobotsTxtConfig.ALL + "_" + RobotsTxtConfig.FILESHARE, "1");
            if (rbc.isHomepageDisallowed()) prop.put(RobotsTxtConfig.ALL + "_" + RobotsTxtConfig.HOMEPAGE, "1");
            if (rbc.isNetworkDisallowed()) prop.put(RobotsTxtConfig.ALL + "_" + RobotsTxtConfig.NETWORK, "1");
            if (rbc.isNewsDisallowed()) prop.put(RobotsTxtConfig.ALL + "_" + RobotsTxtConfig.NEWS, "1");
            if (rbc.isStatusDisallowed()) prop.put(RobotsTxtConfig.ALL + "_" + RobotsTxtConfig.STATUS, "1");
            if (rbc.isSurftipsDisallowed()) prop.put(RobotsTxtConfig.ALL + "_" + RobotsTxtConfig.SURFTIPS, "1");
            if (rbc.isWikiDisallowed()) prop.put(RobotsTxtConfig.ALL + "_" + RobotsTxtConfig.WIKI, "1");
            if (rbc.isProfileDisallowed()) prop.put(RobotsTxtConfig.ALL + "_" + RobotsTxtConfig.PROFILE, "1");

            if (rbc.isLockedDisallowed() || rbc.isDirsDisallowed()) {
                final String htrootPath = env.getConfig(SwitchboardConstants.HTROOT_PATH, SwitchboardConstants.HTROOT_PATH_DEFAULT);
                final List<String> htrootFiles = new ArrayList<String>();
                final List<String> htrootDirs = new ArrayList<String>();
                final File htroot = new File(htrootPath);
                if (htroot.exists()) {
                    final String[] htroots = htroot.list();
                    File file;
                    for (int i=0, dot; i < htroots.length; i++) {
                        if (htroots[i].equals("www")) continue;
                        file = new File(htroot, htroots[i]);
                        if (file.isDirectory()) {
                            htrootDirs.add(htroots[i]);
                        } else if (
                            ((dot = htroots[i].lastIndexOf('.')) < 2 ||
                             htroots[i].charAt(dot - 2) == '_' && htroots[i].charAt(dot - 1) == 'p') &&
                             !(htroots[i].endsWith("java") || htroots[i].endsWith("class"))
                        ) {
                            htrootFiles.add(htroots[i]);
                        }
                    }
                }

                if (rbc.isLockedDisallowed()) {
                    prop.put(RobotsTxtConfig.ALL + "_" + RobotsTxtConfig.LOCKED, htrootFiles.size());
                    for (int i = 0; i < htrootFiles.size(); i++) {
                        prop.put(RobotsTxtConfig.ALL + "_" + RobotsTxtConfig.LOCKED + "_" + i + "_page", htrootFiles.get(i));
                    }
                }
                if (rbc.isDirsDisallowed()) {
                    prop.put(RobotsTxtConfig.ALL + "_" + RobotsTxtConfig.DIRS, htrootDirs.size());
                    for (int i = 0; i < htrootDirs.size(); i++) {
                        prop.put(RobotsTxtConfig.ALL + "_" + RobotsTxtConfig.DIRS + "_" + i + "_dir", htrootDirs.get(i));
                    }
                }
            }
        }

        return prop;
    }
}