/******************************************************************************
 * Copyright © 2013-2016 The Nxt Core Developers.                             *
 *                                                                            *
 * See the AUTHORS.txt, DEVELOPER-AGREEMENT.txt and LICENSE.txt files at      *
 * the top-level directory of this distribution for the individual copyright  *
 * holder information and the developer policies on copyright and licensing.  *
 *                                                                            *
 * Unless otherwise agreed in a custom licensing agreement, no part of the    *
 * Nxt software, including this file, may be copied, modified, propagated,    *
 * or distributed except according to the terms contained in the LICENSE.txt  *
 * file.                                                                      *
 *                                                                            *
 * Removal or modification of this copyright notice is prohibited.            *
 *                                                                            *
 ******************************************************************************/

package nxt.http;

import nxt.Nxt;
import org.json.simple.JSONObject;
import org.json.simple.JSONStreamAware;

import javax.servlet.http.HttpServletRequest;

public final class Shutdown extends APIServlet.APIRequestHandler {

    static final Shutdown instance = new Shutdown();

    private Shutdown() {
        super(new APITag[] {APITag.DEBUG}, "scan");
    }

    @Override
    JSONStreamAware processRequest(HttpServletRequest req) {
        JSONObject response = new JSONObject();
        boolean scan = "true".equalsIgnoreCase(req.getParameter("scan"));
        if (scan) {
            Nxt.getBlockchainProcessor().fullScanWithShutdown();
        } else {
            new Thread(() -> {
                System.exit(0);
            }).start();
        }
        response.put("shutdown", true);
        return response;
    }

    @Override
    final boolean requirePost() {
        return true;
    }

    @Override
    boolean requirePassword() {
        return true;
    }

    @Override
    boolean allowRequiredBlockParameters() {
        return false;
    }

    @Override
    boolean requireBlockchain() {
        return false;
    }

}