// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2012 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---

package com.netscape.cmstools.group;

import java.util.Arrays;

import org.apache.commons.lang.StringUtils;
import org.jboss.resteasy.plugins.providers.atom.Link;

import com.netscape.certsrv.group.GroupClient;
import com.netscape.certsrv.group.GroupData;
import com.netscape.certsrv.group.GroupMemberData;
import com.netscape.cmstools.cli.CLI;
import com.netscape.cmstools.cli.MainCLI;

/**
 * @author Endi S. Dewata
 */
public class GroupCLI extends CLI {

    public MainCLI parent;
    public GroupClient client;

    public GroupCLI(MainCLI parent) {
        super("group", "Group management commands");
        this.parent = parent;

        addModule(new GroupFindCLI(this));
        addModule(new GroupShowCLI(this));
        addModule(new GroupAddCLI(this));
        addModule(new GroupModifyCLI(this));
        addModule(new GroupRemoveCLI(this));

        addModule(new GroupFindMemberCLI(this));
        addModule(new GroupShowMemberCLI(this));
        addModule(new GroupAddMemberCLI(this));
        addModule(new GroupRemoveMemberCLI(this));
    }

    public void printHelp() {

        System.out.println("Commands:");

        int leftPadding = 1;
        int rightPadding = 25;

        for (CLI module : modules.values()) {
            String label = name+"-"+module.getName();

            int padding = rightPadding - leftPadding - label.length();
            if (padding < 1) padding = 1;

            System.out.print(StringUtils.repeat(" ", leftPadding));
            System.out.print(label);
            System.out.print(StringUtils.repeat(" ", padding));
            System.out.println(module.getDescription());
        }
    }

    public void execute(String[] args) throws Exception {

        client = new GroupClient(parent.connection);

        if (args.length == 0) {
            printHelp();
            System.exit(1);
        }

        String command = args[0];
        String[] commandArgs = Arrays.copyOfRange(args, 1, args.length);

        if (command == null) {
            printHelp();
            System.exit(1);
        }

        CLI module = getModule(command);
        if (module != null) {
            module.execute(commandArgs);

        } else {
            System.err.println("Error: Invalid command \""+command+"\"");
            printHelp();
            System.exit(1);
        }
    }

    public static void printGroup(GroupData groupData) {
        System.out.println("  Group ID: "+groupData.getID());

        String description = groupData.getDescription();
        if (!StringUtils.isEmpty(description)) System.out.println("  Description: "+description);

        Link link = groupData.getLink();
        if (verbose && link != null) {
            System.out.println("  Link: " + link.getHref());
        }
    }

    public static void printGroupMember(GroupMemberData groupMemberData) {
        System.out.println("  Member: "+groupMemberData.getUserID());

        Link link = groupMemberData.getLink();
        if (verbose && link != null) {
            System.out.println("  Link: " + link.getHref());
        }
    }
}