#!/usr/bin/env bash

vhost_config_dir=/usr/local/apache2/conf/vhosts

_temp_dir=`mktemp -d`

cp -a $vhost_config_dir ${vhost_config_dir}-`date +%Y%m%d-%H%M`

files=`find $vhost_config_dir -maxdepth 1 -mindepth 1  -type f -print`

_tmp_file=`mktemp`
echo false > $_tmp_file

find "$vhost_config_dir" -maxdepth 1 -mindepth 1  -type f -print | while read _file ; do
   echo "$_file"
   [[ "`basename $_file`" = "0000-logformat.conf" ]] && continue;
   [[ "`basename $_file`" = "000-default.conf" ]] && continue;
   new_file="$_temp_dir/`basename $_file`"
   while IFS='' read -r line || [[ -n $line ]]; do
      if [[ "$line" =~ "<VirtualHost" ]] ;then
         if [[ "$line" =~ "]:" ]]; then
            log_entry="CustomLog /var/log/apache2/ipv6_requests.log base_requests"
         else
            log_entry="CustomLog /var/log/apache2/ipv4_requests.log base_requests"
         fi
         echo "true" > $_tmp_file
      fi
      if [[ "$line" =~ "$log_entry" ]]; then
         echo "false" > $_tmp_file
      fi
      if [[ "$line" =~ "</VirtualHost" ]]; then
         if `cat $_tmp_file | head -n 1` ; then
            #echo "" >> $new_file
            ## - with tabstop
            #echo -e "	$log_entry" >> $new_file
            ## - with blank signs
            echo -e "   $log_entry" >> $new_file
            echo "" >> $new_file
         fi
         echo false > $_tmp_file
      fi
      echo "$line" >> $new_file
   done < $_file
done


find $_temp_dir -maxdepth 1 -mindepth 1  -type f -print -exec cp -f {} $vhost_config_dir/ \; > /dev/null 2>&1

rm -f $_tmp_file
rm -rf $_temp_dir

exit