#!/usr/bin/perl
#
#*******************************************************************************
#
#Copyright (c) 2009, Perforce Software, Inc.  All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# 
# 1.  Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 
# 2.  Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL PERFORCE SOFTWARE, INC. BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#*******************************************************************************
#
#Author: Stephen Moon
#
#Date: January 9, 2010
#Program: Returns the list of Perforce users created in descending account
#         creation date order
#
#*******************************************************************************

use warnings;
use strict;

my $argc = @ARGV;
my ($user,$email,$updateDate,$accessDate) = "";
my $userHashRef = {};

my $debug = 0; #set the debug level to 1 for troubleshooting

if($argc != 1) { die "Usage: searchUsers <latest_checkpoint>\n"; }

open(IN,"$ARGV[0]") or die "Unable to open $ARGV[0] : $!\n";
while(<IN>) {
   if(/^\@pv\@ \d \@(db.user)\@ \@(\S+)\@ \@(.*)\@ \@.*\@ (\d+) (\d+) .*$/) {
      $user = $2;
      $email = &parseOutAt($3); 
      $updateDate = localtime($4);
      $accessDate = localtime($5);
    
      if(!defined($userHashRef->{$4}{$user})) { 
         $userHashRef->{$4}{$user} = $email; 
         if($debug == 1) {
	    print "user: $user, update: $4, val: $userHashRef->{$4}{$user}\n";
         }
      }
      if($debug == 1) {
         print "user: $user\nemail: $email\nupdateDate: $updateDate\naccessDate: $accessDate\n\n";
      }
   }
}
close(IN);

open(OUT,"> userList.txt") or die "Unable to open userList.txt\n";
foreach my $createDate (sort {$b <=> $a} keys %$userHashRef) {
   if($debug == 1) {
      print "user: $createDate\n";
   }
   foreach my $userName (keys %{$userHashRef->{$createDate}}) {
      my $localDate = localtime($createDate);
      print "User: $userName\nEmail: $userHashRef->{$createDate}{$userName}\nDate Created: $localDate\n\n";
      print OUT "User: $userName\nEmail: $userHashRef->{$createDate}{$userName}\nDate Created: $localDate\n\n";
   }
}
close(OUT);

sub parseOutAt() {
   $email = shift;
   $email =~ s/^(.*\@)\@(.*)$/$1$2/; 
   return $email;
}