#!/bin/sh

BACKUP_DATE=`date +%F`
BACKUP_LOCAL_DIR="/var/www/"
BACKUP_REMOTE_DIR="/Root/backup-sites"
BACKUP_KEEP_DAYS=7
BACKUP_MEGA_CONFIG=`mktemp`
BACKUP_SITES="1 2 3"

trap "rm -f $BACKUP_MEGA_CONFIG; exit" SIGHUP SIGINT SIGTERM

cat << EOF > $BACKUP_MEGA_CONFIG
[Login]
Username = zynaps@zynaps.ru
Password = beejee4ahkaivai7
EOF

if cd $BACKUP_LOCAL_DIR 2>/dev/null; then
  for BACKUP_SITE in $BACKUP_SITES; do
    if [ -d $BACKUP_SITE/docs ]; then
      BACKUP_FILE=$BACKUP_SITE_$BACKUP_DATE.tgz

      if tar zcf $BACKUP_FILE $BACKUP_SITE/docs; then
        megaput --config $BACKUP_MEGA_CONFIG --reload --path $BACKUP_REMOTE_DIR $BACKUP_FILE > /dev/null

        if megaput --config $BACKUP_MEGA_CONFIG --reload --path $BACKUP_REMOTE_DIR $BACKUP_FILE > /dev/null; then
          echo "can't upload tarball for \"$BACKUP_SITE\" to MEGA.nz"
        else
          for file in `megals --config $BACKUP_MEGA_CONFIG --reload --names $BACKUP_REMOTE_DIR | sort -nr | tail -n +$BACKUP_KEEP_DAYS`; do
            megarm --config $BACKUP_MEGA_CONFIG --reload $BACKUP_REMOTE_DIR/$file
          done
        fi
      else
        echo "can't create tarball for \"$BACKUP_SITE\""
      fi

      rm -f $BACKUP_FILE
    else
      echo "local dir for \"$BACKUP_SITE\" not found"
    fi
  done
else
  echo "can't find local dirs"
fi

rm -f $BACKUP_MEGA_CONFIG