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

# shellcheck disable=SC1090
source "$SCRIPT_ABS_LOCATION/../common-backup.sh"
# shellcheck disable=SC1090
source "$SCRIPT_ABS_LOCATION/duplicati-backup.env"

# shellcheck disable=SC2034
LOG_FILE="$SCRIPT_ABS_LOCATION/duplicati-backup.log"

TMP_FILEPATH="$SCRIPT_ABS_LOCATION"
if [ -z "$TMP_FILEPATH" ]; then
    log "Error: TMP_FILEPATH is not set."
    exit 1
fi

remove_old_backups \
  "$SSH_USERNAME" \
  "$SSH_DESTINATION" \
  "$SSH_KEY" \
  "$SSH_PORT" \
  "$BACKUP_FOLDER" \
  "$MAX_BACKUPS"

stop_container duplicati

tar_and_encrypt "$SOURCE_DIR" "$TMP_FILEPATH/$TMP_FILENAME" "$BACKUP_ENCR_PASSPHRASE"

scp_transfer \
  "$TMP_FILEPATH/$TMP_FILENAME" \
  "$SSH_USERNAME" \
  "$SSH_DESTINATION" \
  "$SSH_KEY" \
  "$SSH_PORT" \
  "${BACKUP_FOLDER}${TMP_FILENAME}"

log "Cleaning up temporary archive..."
rm "$TMP_FILEPATH/$TMP_FILENAME" || {
  log "Error: Failed to remove the temporary file."
  exit 1
}

start_container duplicati

log "duplicati backup completed."