#!/bin/bash
SCRIPT_ABS_LOCATION=$(realpath "$(dirname "${0}")")

source $SCRIPT_ABS_LOCATION/vaultwarden-backup.env
source $SCRIPT_ABS_LOCATION/../logger.sh

# Container Names 
CONTAINER="vaultwarden"          
BACKUP_CONTAINER="duplicati"   

SOURCE_DIR="/mnt/data/vaultwarden"
BACKUP_DESTINATION="$BACKUP_DESTINATION"
BACKUP_ENCR_PASSPHRASE="$BACKUP_ENCR_PASSPHRASE"

# Cloud Storage Authentication
SFTP_USERNAME="$SFTP_USERNAME"
SFTP_PASSWORD="$SFTP_PASSWORD"
SFTP_FINGERPRINT="$SFTP_FINGERPRINT"

# Log file
LOG_FILE="$SCRIPT_ABS_LOCATION/vaultwarden-backup.log"

# Dump Database          
log "Dumping vaultwarden database..."
DB_TMP_BAK_NAME=vaultwarden-db_$(date +"%Y%m%d").sqlite3
sqlite3 $SOURCE_DIR/db.sqlite3 ".backup '$SOURCE_DIR/$DB_TMP_BAK_NAME'" || { log "Error: Failed to dump the Nextcloud database."; exit 1; }

# Backup all files to target destination
log "Backing up vaultwarden files and database..."
docker exec $BACKUP_CONTAINER duplicati-cli backup \
  ssh://$BACKUP_DESTINATION \
  $SOURCE_DIR \
  --backup-name="vaultwarden backup" \
  --keep-versions=7 \
  --auth-username=$SFTP_USERNAME \
  --auth-password=$SFTP_PASSWORD \
  --passphrase="$BACKUP_ENCR_PASSPHRASE" \
  --ssh-fingerprint="$SFTP_FINGERPRINT" \
  --prefix="vaultwarden" || { log "Error: Failed to backup vaultwarden files and database."; exit 1; }

# Delete temporary backup files
log "Deleting temporary backup files..."
rm $SOURCE_DIR/$DB_TMP_BAK_NAME || { log "Error: Failed to delete temporary backup files."; exit 1; }

log "vaultwarden backup completed successfully."