/**
 * DatabaseInfo.java
 *
 * Copyright (C) 2008 MaxMind Inc.  All Rights Reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */


using System;

public class DatabaseInfo {

  public static int COUNTRY_EDITION = 1;
  public static int REGION_EDITION_REV0 = 7;
  public static int REGION_EDITION_REV1 = 3;
  public static int CITY_EDITION_REV0 = 6;
  public static int CITY_EDITION_REV1 = 2;
  public static int ORG_EDITION = 5;
  public static int ISP_EDITION = 4;
  public static int PROXY_EDITION = 8;
  public static int ASNUM_EDITION = 9;
  public static int NETSPEED_EDITION = 10;

  //private static SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMdd");

  private String info;
  /**
    * Creates a new DatabaseInfo object given the database info String.
    * @param info
    */

  public DatabaseInfo(String info) {
    this.info = info;
  }

  public int getType() {
    if ((info == null) | (info == "")) {
      return COUNTRY_EDITION;
    } else {
      // Get the type code from the database info string and then
      // subtract 105 from the value to preserve compatability with
      // databases from April 2003 and earlier.
      return Convert.ToInt32(info.Substring(4, 7)) - 105;
    }
  }

  /**
   * Returns true if the database is the premium version.
   *
   * @return true if the premium version of the database.
   */
  public bool isPremium() {
    return info.IndexOf("FREE") < 0;
  }

  /**
   * Returns the date of the database.
   *
   * @return the date of the database.
   */
  public DateTime getDate() {
    for (int i = 0; i < info.Length - 9; i++) {
      if (Char.IsWhiteSpace(info[i]) == true) {
        String dateString = info.Substring(i + 1, i + 9);
        try {
          //synchronized (formatter) {
          return DateTime.ParseExact(dateString, "yyyyMMdd", null);
          //}
        }
        catch (Exception e) {
          Console.Write(e.Message);
        }
        break;
      }
    }
    return DateTime.Now;
  }

  public String toString() {
    return info;
  }
}