#! /usr/local/bin/perl
use warnings;
use strict;

########################## Execution Setup ######################################
use Cwd;
# Local Modules

#################################################################################
# File: $PWD/gcenrollrpt                                                        #
# Purpose: Retrieve logs creates a daily report of various gc statistics        #
# Usage:   gcenrollrpt  date YYYY-MM-DD                                         #
# Notes:                                                                        #
#################################################################################
system("date");

# Command Line Syntax Checking
if ( (! $ARGV[0] ) ) {
   print "\nUSAGE: $0 <date>\n";
   exit 1;
}

# set primary vars
my $today = `date +%Y-%m-%d`;
chomp($today);
my $date = $ARGV[0];
chomp($ARGV[0]);
my $host = `uname -n`;
chomp($host);
my @banks = qw[ 321 920 144 ];

# Read in statements to be searched for in log from ini file
my $iniFile = "$ENV{'PWD'}/gcenrollrpt.ini";
open(INIFILE, $iniFile) or die "Can't open $iniFile $!\n";
my @entries = <INIFILE>;

# Determine which log to read
my ($logfile, @logfile);
my $rmfile=0;
my $archive = "/log_archive/GC/$host/GC/logs/GC.log.$date.gz";
if ( -e "/GC/logs/GC.log.$date" )
{
   $logfile = "/GC/logs/GC.log.$date";
}
elsif ( -e $archive )
{
   system("gzcat $archive >  /GC/logs/GC.log.$date" );
   $logfile = "/GC/logs/GC.log.$date";
   $rmfile = 1;
}
else
{
   $logfile = "/GC/logs/GC.log";
}

# Parse the log
my (%counts, @rptType);
open( LOGFILE, $logfile ) or die "Can't open file $logfile $!\n";
LOG:while ( my $logEntry = <LOGFILE> )
{
   next LOG unless $logEntry =~ /^ $date/;
   foreach my $bank (@banks)
   {

      # check each entry from the ini file against the log
      ENTRY:foreach my $entryTemplate ( @entries )
      {
           # split the entry type from the actual verbage to be searched for
           chomp($entryTemplate);
           next unless length($entryTemplate);

            my ( $rptType, $entry ) = $entryTemplate =~ /(.+)~(.+)/;

            # make the search bank specific
            $entry =~ s/\$bank/$bank/g;
            next unless length($entry) && length($rptType);

            # set up counters for each type and store unique types for each bank
            # serves as an index when outputting results
#            push @rptType, $rptType unless @rptType;    # UPDATE -- remove this line -- it's unnecessary
            push @rptType, $rptType unless grep /$rptType/, @rptType;

            # set up the key $typeHour for the %counts var that stores all the totals
            # must be done first to set up counts for entries which there are no matches
            my $hour =   $logEntry =~ /\d{4}-\d{2}-\d{2}\s(\d{2}):/;
            my $typeHour = "$bank-$rptType-$hour";

            # Process Matching entries
            $counts{$typeHour} ||= 0;
            $counts{$typeHour}++ if $logEntry =~ $entry;
      }
   }
}
close (LOGFILE);

# Remove the log file if unzipped from the archive
system("/usr/bin/rm", "-f", $logfile) if ( $rmfile == 1 );

# Create reports by bank
foreach my $bank (@banks)
{
   my $tmpFile1 = "/tmp/gcenrollrpt$bank.1.$$";
   open ( TMPFILE1, ">", $tmpFile1 ) or die "Can't open $tmpFile1 $!\n";
   foreach my $type (@rptType)
   {
      foreach my $i ( 0..23 )
      {
         foreach my $typeHour ( sort keys %counts )
         {
            my ($bnk,$rptType,$hr) = $typeHour =~ /(.+)-(.+)-(.+)/;
            my $hour = sprintf "%02d", $i;
            next unless "$bank-$type-$hour:" =~ /$bnk-$rptType-$hr:/;
            print TMPFILE1 ( $i ? "$hour: $counts{$typeHour}\n" : "\n\n$type\n" );
         }
      }
   }
   close(TMPFILE1);

   # Mail the report out
   my $cmdLine = "cat $tmpFile1 | mailx -s \"OAC report for bank $bank $date $host\" xxx\@xyz.com";
   system("$cmdLine");
   system("/usr/bin/rm -f $tmpFile1");
}

system("date");

0;