#!/bin/bash

CURRENT_DATE=$(date +"%Y%m%d")
DATE_PRETTY=$(date)
HOST="maru"

create_snapshot () {
    logger -p user.info -t schnapps_backup "Creating schnapps backup for host ${HOST}"
    if /usr/bin/schnapps upload > /dev/null;
    then
        logger -p user.info -t schnapps_backup "Snapshot for host ${HOST} created successfully"
        return 0
    else
        logger -p user.err "Snapshot creation for host ${HOST} failed"
        return 1
    fi
}

if ! create_snapshot;
then
    exit 1
fi

read -r -d '' TEMPLATE << EOF
From: Backup Robot <notify@dennogumi.org>
To: einar@heavensinferno.net
X-Notification-System: ${HOST}
Subject: [${CURRENT_DATE}] TurrisOS backup created for host ${HOST}

Hello,

the schnapps backup has been created successfully on date ${DATE_PRETTY}.

Note that snapshots older than 30 days are automatically deleted.

--
Automated notification system
EOF

echo "$TEMPLATE" | msmtp --from=notify@dennogumi.org einar@heavensinferno.net,einar@mailbox.org