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

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

# Determine which log to read
my ($logfile, @logfile, $archive, $rmfile); 
$rmfile=0;
$archive = "/log_archive/GC/$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 ($rptType, %counts, @rptType, $logEntry );
open( LOGFILE, $logfile ) or die "Can't open file $logfile $!\n";
LOG:while ( <LOGFILE> )
{
   $logEntry = $_; 
   unless ( $logEntry =~ /^ $date/ )
   {
      next LOG;
   }
   foreach my $bank (@banks) 
   {

      # check each entry from the ini file against the log
      my ($entry, $rptType);
      ENTRY:for ( my $i=0; $i < @entries; $i++ ) 
      {

         # split the entry type from the actual verbage to be searched for
         my $entryTemplate = $entries[$i]; 
         chomp($entryTemplate);
         if ( length($entryTemplate) == 0  )
         {
            next ENTRY;
         } else {
            $_ = $entryTemplate;
            /(.+)~(.+)/;
            $rptType = $1;
            $entry = $2;

            # make the search bank specific
            $entry =~ s/\$bank/$bank/g;
            if ( length($entry) == 0 || length($rptType) == 0 )
            {
               next ENTRY;
            }

            # set up counters for each type and store unique types for each bank
            # serves as an index when outputting results
            my $rptTypeCount = @rptType;
            my $matchType = 0;
            if ( @rptType == 0 )
            {
               push( @rptType, $rptType);
            }
            foreach my $type ( @rptType )
            {
               if ( $type =~ /$rptType/ )
               {
                  $matchType = 1;
               }
            }
            if ( $matchType == 0 )
            {
               push ( @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
            $_ = $logEntry;
            /\d{4}-\d{2}-\d{2}\s(\d{2}):/;
            my $hour = $1;
            my $typeHour = "$bank-$rptType-$hour";
           
            # Process Matching entries
            if ( $logEntry =~ $entry )
            {
               unless ( $counts{$typeHour} )
               {
                  $counts{$typeHour} = 1;
               } 
               else
               {
                  $counts{$typeHour} = $counts{$typeHour} + 1; 
               }
            } else {
               unless ( $counts{$typeHour} )
               {
                  $counts{$typeHour} = 0;
               }
            }
         } 
      }
   }
}
close (LOGFILE);

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

# 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)
   {
      for (my $i = 0; $i < 24; $i++)
      {
         foreach my $typeHour ( sort keys %counts )
         {
            my $hour;
            $_ = $typeHour;
            /(.+)-(.+)-(.+)/;
            my $bnk = $1;
            my $rptType = $2;
            my $hr = "$3:";
            if ( $i < 10 )
            {
               $hour = "0$i:";
            } else {
               $hour = "$i:";
            }
            if ( "$bank-$type-$hour" =~ /$bnk-$rptType-$hr/ )
            {
               if ( $i == 0 )
               {
                  print TMPFILE1 "\n\n$type\n";
               } else {
                  print TMPFILE1 "$hour $counts{$typeHour}\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;