#!/bin/bash

LOGDIR='/var/log/httpd'
REPODIR='/home/www/myhome/visitors'
IP2HOST='/usr/local/bin/ip2host'
VISITORS='/usr/local/bin/visitors'

WeekDay=$(date +%a)
TopDay=$(date +%d)
YesDate=$(date --date '1 days ago' | awk '{print $3}')
YesMonth=$(date --date '1 days ago' | awk '{print $2}')
YesYear=$(date --date '1 days ago' | awk '{print $6}')
PreYear=$(date --date '1 months ago' | awk '{print $6}')
PreMonth=$(date --date '1 months ago' | awk '{print $2}')
FNameDate=$(date --date '1 months ago' | awk '{print $2 $6}')

if [ "$WeekDay" = Mon ] ; then

    if [ -f $REPODIR/fqdn_access_log.5 ] ; then
        rm -f $REPODIR/fqdn_access_log.5
    fi

    if [ -f $REPODIR/fqdn_access_log.4 ] ; then
        mv $REPODIR/fqdn_access_log.4 $REPODIR/fqdn_access_log.5
    fi

    if [ -f $REPODIR/fqdn_access_log.3 ] ; then
        mv $REPODIR/fqdn_access_log.3 $REPODIR/fqdn_access_log.4
    fi

    if [ -f $REPODIR/fqdn_access_log.2 ] ; then
        mv $REPODIR/fqdn_access_log.2 $REPODIR/fqdn_access_log.3
    fi

    if [ -f $REPODIR/fqdn_access_log.1 ] ; then
        mv $REPODIR/fqdn_access_log.1 $REPODIR/fqdn_access_log.2
    fi

    if [ -f $REPODIR/fqdn_access_log ] ; then
        mv $REPODIR/fqdn_access_log $REPODIR/fqdn_access_log.1
    fi

    grep $YesDate/$YesMonth/$YesYear $LOGDIR/access_log.1 > $REPODIR/log_sun_grep
    cat $REPODIR/log_sun_grep > $REPODIR/access_log_sun
    cat $LOGDIR/access_log >> $REPODIR/access_log_sun
    $IP2HOST < $REPODIR/access_log_sun > $REPODIR/fqdn_access_log

    rm -f $REPODIR/log_sun_grep
    rm -f $REPODIR/access_log_sun

fi

if [ "$WeekDay" != Mon ] ; then

    grep $YesDate/$YesMonth/$YesYear $LOGDIR/access_log > $REPODIR/log_plus_grep
    $IP2HOST < $REPODIR/log_plus_grep > $REPODIR/fqdn_plus_log
    cat $REPODIR/fqdn_plus_log >> $REPODIR/fqdn_access_log

    rm -f $REPODIR/log_plus_grep
    rm -f $REPODIR/fqdn_plus_log

fi

$VISITORS -A -H -m 100 $REPODIR/fqdn_access_log | nkf -w -m0 > $REPODIR/repo-days.html
chown apache:apache $REPODIR/repo-days.html
chmod g-w,o-rw $REPODIR/repo-days.html

if [ "$TopDay" = 01 ] ; then

    cat $REPODIR/fqdn_access_log* > $REPODIR/access_log_month
    grep $PreMonth/$PreYear $REPODIR/access_log_month > $REPODIR/log_month_grep

    $VISITORS -A -H -m 100 $REPODIR/log_month_grep | nkf -w -m0 > $REPODIR/$FNameDate.html
    chown apache:apache $REPODIR/$FNameDate.html
    chmod g-w,o-rw $REPODIR/$FNameDate.html

    rm -f $REPODIR/access_log_month
    rm -f $REPODIR/log_month_grep

fi

exit