/*
 *  Copyright (C) 2010-2016 JPEXS
 *
 *  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, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  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, see <http://www.gnu.org/licenses/>.
 */
package com.jpexs.browsers.cache.firefox;

import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;

/**
 *
 * @author JPEXS
 */
public class MetaData {

    public int majorVersion;

    public int minorVersion;

    public long location;

    public long fetchCount;

    public long firstFetchTime;

    public long lastFetchTime;

    public long expireTime;

    public long dataSize;

    public long requestSize;

    public long infoSize;

    public String request;

    public Map<String, String> response;

    public MetaData(InputStream is) throws IOException, IncompatibleVersionException {
        CacheInputStream cis = new CacheInputStream(is);
        majorVersion = cis.readInt16();
        if (majorVersion != 1) {
            throw new IncompatibleVersionException(majorVersion);
        }
        minorVersion = cis.readInt16();
        location = cis.readInt32();
        fetchCount = cis.readInt32();
        firstFetchTime = cis.readInt32();
        lastFetchTime = cis.readInt32();
        expireTime = cis.readInt32();
        dataSize = cis.readInt32();
        requestSize = cis.readInt32();
        infoSize = cis.readInt32();
        byte[] req = new byte[(int) requestSize];
        if (cis.read(req) != req.length) {
            throw new IOException();
        }

        request = new String(req, 0, (int) requestSize - 1/*Ends with char 0*/);
        byte[] res = new byte[(int) infoSize];
        cis.read(res);
        String responseStr = new String(res);
        int nulpos;
        boolean inKey = true;
        String key = null;
        response = new HashMap<>();
        while ((nulpos = responseStr.indexOf(0)) > 0) {
            String v = responseStr.substring(0, nulpos);
            responseStr = responseStr.substring(nulpos + 1);
            if (inKey) {
                key = v;
            } else {
                response.put(key, v);
            }
            inKey = !inKey;
        }
    }
}