#!/usr/bin/perl -wT
# -*- Mode: perl; indent-tabs-mode: nil -*-
#
# The contents of this file are subject to the Mozilla Public
# License Version 1.1 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is the Bugzilla Bug Tracking System.
#
# The Initial Developer of the Original Code is Netscape Communications
# Corporation. Portions created by Netscape are
# Copyright (C) 1998 Netscape Communications Corporation. All
# Rights Reserved.
#
# Contributor(s): Terry Weissman <terry@mozilla.org>
#                 J. Paul Reed <preed@sigkill.com>

use strict;

use lib qw(.);

use Bugzilla;
use Bugzilla::Config qw(:DEFAULT :admin);

require "CGI.pl";

use vars %::MFORM;

ConnectToDatabase();
confirm_login();

my $cgi = Bugzilla->cgi;

print $cgi->header();

if (!UserInGroup("tweakparams")) {
    print "<H1>Sorry, you aren't a member of the 'tweakparams' group.</H1>\n";
    print "And so, you aren't allowed to edit the parameters.\n";
    PutFooter();
    exit;
}

PutHeader("Saving new parameters");

foreach my $i (GetParamList()) {
    my $name = $i->{'name'};
    my $value = $::FORM{$name};
    if (exists $::FORM{"reset-$name"}) {
        $value = $i->{'default'};
    } else {
        if ($i->{'type'} eq 'm') {
            # This simplifies the code below
            $value = \@{$::MFORM{$name}};
        } else {
            # Get rid of windows/mac-style line endings.
            $value =~ s/\r\n?/\n/g;

            # assume single linefeed is an empty string
            $value =~ s/^\n$//;
        }
    }
    my $changed;
    if ($i->{'type'} eq 'm') {
        my @old = sort @{Param($name)};
        my @new = sort @$value;
        if (scalar(@old) != scalar(@new)) {
            $changed = 1;
        } else {
            $changed = 0; # Assume not changed...
            for (my $cnt = 0; $cnt < scalar(@old); ++$cnt) {
                if ($old[$cnt] ne $new[$cnt]) {
                    # entry is different, therefore changed
                    $changed = 1;
                    last;
                }
            }
        }
    } else {
        $changed = ($value eq Param($name) ? 0 : 1);
    }
    if ($changed) {
        if (exists $i->{'checker'}) {
            my $ok = $i->{'checker'}->($value, $i);
            if ($ok ne "") {
                print "New value for " . html_quote($name) .
                  " is invalid: $ok<p>\n";
                print "Please hit <b>Back</b> and try again.\n";
                PutFooter();
                exit;
            }
        }
        print "Changed " . html_quote($name) . "<br>\n";
        SetParam($name, $value);
    }
}


WriteParams();

unlink "data/versioncache";

print "OK, done.<p>\n";
print "<a href=editparams.cgi>Edit the params some more.</a><p>\n";
print "<a href=query.cgi>Go back to the query page.</a>\n";
    
PutFooter();