/*------------------------------------------------------------------------
 * rbe.EBWAdminConfTrans.java
 * Timothy Heil
 * 11/10/99
 *
 * ECE902 Fall '99
 *
 *
 * TPC-W Administrative Request transition from the product detail page
 *  to the admin request page.  Supplies the I_ID of the book being
 *  changed.
 *------------------------------------------------------------------------
 *
 * This is part of the the Java TPC-W distribution,
 * written by Harold Cain, Tim Heil, Milo Martin, Eric Weglarz, and Todd
 * Bezenek.  University of Wisconsin - Madison, Computer Sciences
 * Dept. and Dept. of Electrical and Computer Engineering, as a part of
 * Prof. Mikko Lipasti's Fall 1999 ECE 902 course.
 *
 * Copyright (C) 1999, 2000 by Harold Cain, Timothy Heil, Milo Martin, 
 *                             Eric Weglarz, Todd Bezenek.
 *
 * This source code is distributed "as is" in the hope that it will be
 * useful.  It comes with no warranty, and no author or distributor
 * accepts any responsibility for the consequences of its use.
 *
 * Everyone is granted permission to copy, modify and redistribute
 * this code under the following conditions:
 *
 * This code is distributed for non-commercial use only.
 * Please contact the maintainer for restrictions applying to 
 * commercial use of these tools.
 *
 * Permission is granted to anyone to make or distribute copies
 * of this code, either as received or modified, in any
 * medium, provided that all copyright notices, permission and
 * nonwarranty notices are preserved, and that the distributor
 * grants the recipient permission for further redistribution as
 * permitted by this document.
 *
 * Permission is granted to distribute this code in compiled
 * or executable form under the same conditions that apply for
 * source code, provided that either:
 *
 * A. it is accompanied by the corresponding machine-readable
 *    source code,
 * B. it is accompanied by a written offer, with no time limit,
 *    to give anyone a machine-readable copy of the corresponding
 *    source code in return for reimbursement of the cost of
 *    distribution.  This written offer must permit verbatim
 *    duplication by anyone, or
 * C. it is distributed by someone who received only the
 *    executable form, and is accompanied by a copy of the
 *    written offer of source code that they received concurrently.
 *
 * In other words, you are welcome to use, share and improve this codes.
 * You are forbidden to forbid anyone else to use, share and improve what
 * you give them.
 *
 ************************************************************************/

package rbe;

import rbe.util.StrStrPattern;
import rbe.util.CharSetStrPattern;
import rbe.util.CharRangeStrPattern;

import rbe.util.Pad;

public class EBWAdminConfTrans extends EBTransition {

  private static final StrStrPattern iid = 
  		new StrStrPattern("type=\"hidden\" name=\"I_ID\" value=\"");
  private static final StrStrPattern isrp_start = 
  		new StrStrPattern("I_SRP=\"");
  private static final StrStrPattern isrp_end = 
  		new StrStrPattern("\"");

  public String request(EB eb, String html) {
	 String url;
    RBE rbe = eb.rbe;
	 int i,e,id;

	 /* Find the I_ID to add. */
	 i=iid.find(html);
	 if (i==-1) {
		rbe.stats.error("Unable to find I_ID in admin confirm page.", "???");
		return("");
	 }
	 i=i+iid.length();

	 e=CharSetStrPattern.notDigit.find(html.substring(i));
	 if (e==-1) {
		rbe.stats.error("Unable to find end of I_ID in admin confirm page.", "???");
		return("");
	 }
	 e=e+i;
	 id = Integer.parseInt(html.substring(i, e));

	 /* Find the I_SRP and determine the new I_COST */
	 i=isrp_start.find(html);
	 if (i==-1) {
		rbe.stats.error("Unable to find I_SRP in admin confirm page.", "???");
		return("");
	 }
	 i=i+isrp_start.length();
	 e=isrp_end.find(html.substring(i));
	 if (e==-1) {
		rbe.stats.error("Unable to find end of I_SRP in admin confirm page.", "???");
		return("");
	 }
	 e=e+i;
	 String icost = rbe.unifICost(eb.rand, html.substring(i, e));

	 url = eb.urls.adminConfURL + "?" + rbe.field_newimage + "=" + 
		rbe.unifImage(eb.rand) +
		"&" + rbe.field_newthumb + "=" + rbe.unifThumbnail(eb.rand) + "&" +
		rbe.field_newcost + "=" + icost + "&" +
		rbe.field_iid + "=" + id;

    return(eb.addIDs(url));
  }
}