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

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

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

SOURCE_DIR="/mnt/data/cryptpad"
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/cryptpad-backup.log"

# Cleanup inactive and archive files
log "Cleaning up inactive accounts and files to save space..."
docker exec cryptpad \
  /usr/local/bin/node scripts/evict-inactive.js \
  --workdir=/cryptpad || { log "Error: Failed to clean up inactive files"; exit 1; }

log "Cleaning up archived beyond retention period files to save space..."
docker exec cryptpad \
  /usr/local/bin/node scripts/evict-archived.js \
  --workdir=/cryptpad || { log "Error: Failed to clean up inactive files"; exit 1; }

# Backup all files to target destination
log "Backing up cryptpad files and database..."
docker exec $BACKUP_CONTAINER \
	duplicati-cli backup ssh://$BACKUP_DESTINATION \
	$SOURCE_DIR/data \
	$SOURCE_DIR/datastore \
	$SOURCE_DIR/block \
	$SOURCE_DIR/blob \
	$SOURCE_DIR/config/config.js \
	$SOURCE_DIR/customize \
	$SOURCE_DIR/customize.dist \
	--backup-name="$CONTAINER backup" \
	--keep-versions=7 \
	--auth-username=$SFTP_USERNAME \
	--auth-password=$SFTP_PASSWORD \
	--passphrase=$BACKUP_ENCR_PASSPHRASE \
	--ssh-fingerprint="$SFTP_FINGERPRINT" \
	--prefix="cryptpad" || { log "Error: Failed to backup cryptpad files and database."; exit 1; }
log "cryptpad backup completed successfully."