import java.util.Iterator;
import net.yacy.cora.protocol.RequestHeader;
import net.yacy.cora.util.CommonPattern;
import net.yacy.data.BookmarkHelper;
import net.yacy.data.BookmarksDB;
import net.yacy.data.UserDB;
import net.yacy.http.servlets.YaCyDefaultServlet;
import net.yacy.search.Switchboard;
import net.yacy.server.serverObjects;
import net.yacy.server.serverSwitch;

public class get_folders {

	private static final serverObjects prop = new serverObjects();
	private static Switchboard sb = null;
	private static UserDB.Entry user = null;
	private static boolean isAdmin = false;

	public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) {

		prop.clear();
    	sb = (Switchboard) env;
    	user = sb.userDB.getUser(header);
    	isAdmin = (sb.verifyAuthentication(header) || user != null && user.hasRight(UserDB.AccessRight.BOOKMARK_RIGHT));

    	// set user name
    	final String username;
    	if(user != null) username=user.getUserName();
    	else if(isAdmin) username="admin";
    	else username = "unknown";
    	prop.putHTML("display_user", username);

    	// set peer address base : used in get_bookmarks.xml to render the absolute API link URL
    	prop.put("display_address", YaCyDefaultServlet.getContext(header, sb));
    	prop.put("display_peer", sb.peers.mySeed().getName());

    	String root = "/";
    	String[] foldername = null;

    	// check for GET parameters
    	if (post != null){
    		if (post.containsKey("root")) {
        		if (post.get("root").equals("source") || post.get("root").equals("")) root = "/";
        		else if (post.get("root").startsWith("/")) root = post.get("root");
    			else root = "/" + post.get("root");
    		}
    	}

    	Iterator<String> it = null;

    	// loop through folderList
    	it = BookmarkHelper.getFolderList(root, sb.bookmarksDB.getTagIterator(isAdmin));
    	int n = CommonPattern.SLASH.split(root, 0).length;
    	if (n == 0) n = 1;
    	int count = 0;
    	while (it.hasNext()) {
    		final String folder = it.next();
    		foldername = CommonPattern.SLASH.split(folder, 0);
    		if (foldername.length == n+1) {
	    		prop.put("folders_"+count+"_foldername", foldername[n]);
	    		prop.put("folders_"+count+"_expanded", "false");
	    		prop.put("folders_"+count+"_type", "folder");
	    		prop.put("folders_"+count+"_hash", folder);				//TODO: switch from pathString to folderHash
	    		prop.put("folders_"+count+"_url", "");					//TODO: insert folder url
	    		prop.put("folders_"+count+"_hasChildren", "true");		//TODO: determine if folder has children
	    		prop.put("folders_"+count+"_comma", ",");
	    		count++;
    		}
    	}

    	// loop through bookmarkList
    	it = sb.bookmarksDB.getBookmarksIterator(root, isAdmin);
    	while (it.hasNext()) {
            BookmarksDB.Bookmark bm = sb.bookmarksDB.getBookmark(it.next());
            if (bm != null) {
                // TODO: get rid of bmtype
                if (post.containsKey("bmtype")) {
                    if (post.get("bmtype").equals("title")) {
                        prop.put("folders_"+count+"_foldername", bm.getTitle());
                    } else if (post.get("bmtype").equals("href")) {
                        prop.put("folders_"+count+"_foldername", "<a href='"+bm.getUrl()+" 'target='_blank'>"+bm.getTitle()+"</a>");
                    } else {
                        prop.put("folders_"+count+"_foldername", bm.getUrl());
                    }
                }
                prop.put("folders_"+count+"_expanded", "false");
                prop.put("folders_"+count+"_url", bm.getUrl());
                prop.put("folders_"+count+"_type", "file");
                prop.put("folders_"+count+"_hash", bm.getUrlHash());
                prop.put("folders_"+count+"_hasChildren", "false");
                prop.put("folders_"+count+"_comma", ",");
                count++;
            }
    	}

    	count--;
    	prop.put("folders_"+count+"_comma", "");
    	count++;
    	prop.put("folders", count);

        // return rewrite properties
        return prop;
	}
}