#!/usr/bin/env bash
set -euo pipefail

source /sync/home_external/.bash_aliases
shopt -s expand_aliases # make aliases work


backupRootDirectory() {
   ensureRootDirectory $2
   sd rsync_backup $1 $2
}


backupDirectory() {
   ensureDirectory $2
   rsync_backup $1 $2
}


ensureRootDirectory() {
   ensureDirectory $1
   sudo chown root:root $1
}


ensureDirectory() {
   if [[ ! -e $1 ]]; then
      mkdir -p $1
   fi
}

###############################
### update local backup dir ###
###############################

BACKUP_DIR=/sync/backup
ensureDirectory $BACKUP_DIR
BACKUP_DIR_HOME=$BACKUP_DIR/home
ensureDirectory $BACKUP_DIR_HOME
backupDirectory $HOME/.ssh/ $BACKUP_DIR_HOME/.ssh/

BACKUP_DIR_ROOT=$BACKUP_DIR/root/etc
ensureRootDirectory $BACKUP_DIR_ROOT
sd rsync_backup /etc/hosts $BACKUP_DIR_ROOT/
sd rsync_backup /etc/ddclient.conf $BACKUP_DIR_ROOT/
backupRootDirectory /etc/ddclient/ $BACKUP_DIR_ROOT/ddclient/
backupRootDirectory /etc/letsencrypt/ $BACKUP_DIR_ROOT/letsencrypt/
backupRootDirectory /etc/nginx/ $BACKUP_DIR_ROOT/nginx/
backupRootDirectory /etc/ssh/ $BACKUP_DIR_ROOT/ssh/
backupRootDirectory /etc/wireguard/ $BACKUP_DIR_ROOT/wireguard/
backupRootDirectory /etc/docker/daemon.json $BACKUP_DIR_ROOT/docker/

#####################
### upload backup ###
#####################

if [[ "$1" == "--noupload" ]]; then
   exit 0;
fi

sd rsync_backup -e "ssh -i /home/edi/.ssh/id_ed25519" --filter="P /home/docker" /sync/backup/ fabian@garrus:/citadel/backup/edi/
sd rsync_backup -e "ssh -i /home/edi/.ssh/id_ed25519" /home/edi/docker/ fabian@garrus:/citadel/backup/edi/home/docker/