// --- 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) 2014 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---

package com.netscape.cmstools.key;

import java.util.Arrays;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.ParseException;

import com.netscape.certsrv.dbs.keydb.KeyId;
import com.netscape.certsrv.key.KeyInfo;
import com.netscape.cmstools.cli.CLI;

public class KeyShowCLI extends CLI {

    public KeyCLI keyCLI;

    public KeyShowCLI(KeyCLI keyCLI) {
        super("show", "Get key", keyCLI);
        this.keyCLI = keyCLI;

        createOptions();
    }

    public void printHelp() {
        formatter.printHelp(getFullName() + " <Key ID> [OPTIONS...]", options);
    }

    public void createOptions() {
        Option option = new Option(null, "clientKeyID", true, "Unique client key identifier.");
        option.setArgName("Client Key Identifier");
        options.addOption(option);
    }

    public void execute(String[] args) {
        // Always check for "--help" prior to parsing
        if (Arrays.asList(args).contains("--help")) {
            // Display usage
            printHelp();
            System.exit(0);
        }

        CommandLine cmd = null;

        try {
            cmd = parser.parse(options, args);

        } catch (ParseException e) {
            System.err.println("Error: " + e.getMessage());
            printHelp();
            System.exit(-1);
        }

        String[] cmdArgs = cmd.getArgs();
        String clientKeyId = cmd.getOptionValue("clientKeyID");
        KeyInfo keyInfo;

        if (cmdArgs.length == 1) {
            KeyId keyId = new KeyId(cmdArgs[0]);
            keyInfo = keyCLI.keyClient.getKeyInfo(keyId);

        } else if (clientKeyId != null) {
            keyInfo = keyCLI.keyClient.getActiveKeyInfo(clientKeyId);

        } else {
            System.err.println("Error: Missing Key ID or Client Key ID.");
            printHelp();
            System.exit(-1);
            return;
        }

        KeyCLI.printKeyInfo(keyInfo);
    }
}