#!/bin/bash

# RESTORE SCRIPT
# The restore script is OPTIONAL.
# It is used to restore the service on the server from a backup file.
# It is called with one argument: the path to the backup file.

source "$(dirname "$0")/_common.sh"
check_required_env_vars "CONTAINER_NAME" "LOCAL_DATA_FOLDER"

# Get backup file path from first 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 does not exist"
fi

# # Stop container before backup
 _stop_container "$CONTAINER_NAME"

# Remove existing data folder
echo "Removing existing data folder $LOCAL_DATA_FOLDER..."
rm -rf "$LOCAL_DATA_FOLDER/*"

# Restore data folder from backup
echo "Restoring data folder from backup $BACKUP_FILE..."
if ! tar xzvf "$BACKUP_FILE" -C "$LOCAL_DATA_FOLDER"; then
    die "Failed to restore data folder from backup"
fi

# reinstall service
if ! bash ./install.sh; then
    die "Failed to reinstall service"
fi

echo "Restore complete! Service is running again on port $HOST_PORT with restored website."