#!/bin/bash

original_dir=$(pwd)

source ./vars.sh
cd "$original_dir"

(
	./mount.sh &
	RESTIC_PID=$!

	MOUNT_DIR="/mnt/restic"

	# Wait until the directory exists
	while [ ! -d "$MOUNT_DIR" ]; do
		echo "Waiting for directory to be created..."
		sleep 1
	done

	# Wait until the directory is not empty
	while [ ! "$(ls -A "$MOUNT_DIR")" ]; do
		echo "Waiting for directory to have content..."
		sleep 1
	done

	# Space-separated list of absolute paths
	BACKUP_DIR="$MOUNT_DIR/snapshots/latest"

	# Iterate over each path in the array
	while IFS= read -r ORIGINAL_PATH; do
		# Skip empty paths
		[[ -z "$ORIGINAL_PATH" ]] && continue

		# Construct the corresponding backup path
		BACKUP_PATH="$BACKUP_DIR$ORIGINAL_PATH"

		# Check if the backup directory exists
		if [[ ! -d "$BACKUP_PATH" ]]; then
			echo "Backup directory not found: $BACKUP_PATH"
			continue
		fi

		# Ensure the original directory exists, create it if not
		if [[ ! -d "$ORIGINAL_PATH" ]]; then
			echo "Creating original directory: $ORIGINAL_PATH"
			mkdir -p "$ORIGINAL_PATH"
		fi

		# Use rsync to copy files, preserving permissions, ownership, and timestamps
		rsync --archive --acls --xattrs --compress --verbose --human-readable --partial --progress "$BACKUP_PATH/" "$ORIGINAL_PATH/"
	done </backup-dirs

	kill -SIGINT $RESTIC_PID
	umount /mnt/restic

	echo "DONE"
) >"/var/log/backup-restore-$(date +%s).log"