#!/bin/bash

SCRIPT_NAME="$(basename "$0")"

roundn()
{
    echo $(echo "($1+0.5)/1" | bc)
}

convert_duration()
{
    local input="$1"
    local minutes
    if [[ $input =~ ([0-9]+)\ minutes ]]; then
	minutes=${BASH_REMATCH[1]}
    else
	minutes=0
    fi
    local seconds
    if [[ $input =~ ([0-9\.]+)\ seconds ]]; then
	seconds=${BASH_REMATCH[1]}
	seconds=$(roundn $seconds)
    else
	seconds=0
    fi
    printf "00:%02d:%02d\n" ${minutes} ${seconds}

}

#
export BORG_PASSCOMMAND="cat /srv/borg/.borg-passphrase"

BORG_REPOS="/var/backups/borg/"
cd $BORG_REPOS
ARCHIVE_COUNT=0
REPO_COUNT=0
echo "COMPUTER                              COUNT              LAST         Diff     Original   Compressed        Dedup    Duration"
for BORG_REPO in $(ls -d *.repo); do
    if [ -d "$BORG_REPO" ]; then
        #echo "== $BORG_REPO"
	REPO_COUNT=$(( REPO_COUNT +1))

	COMPUTER=$(printf "%-40s" ${BORG_REPO::-5})
	LIST=$(borg list "$BORG_REPO")
	COUNT=$(echo "$LIST" | wc -l)
        LAST=$(echo "$LIST" | sort -h | tail -1 | awk '{ print $1}' )
	SIZE_LINE=$(borg info "$BORG_REPO" | head -8 | tail -1)
	ORIGINAL_SIZE=$(echo "$SIZE_LINE" | awk '{ print $3" "$4 }')
	COMPRESSED_SIZE=$(echo "$SIZE_LINE" | awk '{ print $5" "$6 }')
	DEDUP_SIZE=$(echo "$SIZE_LINE" | awk '{ print $7" "$8 }')
	SIZES="${SIZE_LINE:13}"
	INFOS=$(borg info "${BORG_REPO}::${LAST}")
	DURATION=$(echo "$INFOS" | grep Duration)
	DURATION=$(convert_duration "${DURATION:10}")
	DIFF_SIZE=$(echo "$INFOS" | grep "This archive" | awk '{ print $7" "$8}')
	printf "%-40s %2d  %s %12s %12s %12s %12s    %s\n" "$COMPUTER" "$COUNT" "$LAST" "$DIFF_SIZE" "$ORIGINAL_SIZE" "$COMPRESSED_SIZE" "$DEDUP_SIZE" "$DURATION"

	ARCHIVE_COUNT=$((ARCHIVE_COUNT+COUNT))
    fi
done
echo "Total repository count: "$REPO_COUNT
echo "Total archive count:    "$ARCHIVE_COUNT
echo "Total disk size:        "$(du -sh .)
df -h /var/backups/borg/.