#!/bin/bash

original_dir=$(pwd)

source ./backup-vars.sh
cd "$original_dir"

./backup-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"

eval "$DIRS_TO_BACKUP_STR" # creates the DIRS_TO_BACKUP array from string

# Iterate over each path in the array
for ORIGINAL_PATH in "${DIRS_TO_BACKUP[@]}"; do
	# Skip empty paths
	[[ -z "$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

kill -SIGINT $RESTIC_PID
umount /mnt/restic

echo "DONE"