#!/bin/bash
source "$(dirname "$0")/_common.sh"

# Get backup file path from argument
BACKUP_FILE="$1"
if [ -z "$BACKUP_FILE" ]; then
    die "Backup file path not provided"
fi

# Check if backup file already exists
if [ -f "$BACKUP_FILE" ]; then
    die "Backup file $BACKUP_FILE already exists"
fi

# Stop container before backup
_stop_container "$CONTAINER_NAME"

# Create backup of data folder
# We include the parent folder in the backup paths (.), and strip on restore.
echo "Creating backup of $LOCAL_DATA_FOLDER..."
if ! tar zcvf "$BACKUP_FILE" -C "$LOCAL_DATA_FOLDER" .; then
    _start_container "$CONTAINER_NAME"
    die "Failed to create backup"
fi

# Start container after backup
_start_container "$CONTAINER_NAME"

echo "Backup created successfully: $BACKUP_FILE"