#!/bin/env bash

set -euo pipefail

read -sp "Password: " password

# get the drive path
drive="$1"

printf '\n%s\n\n' "Opening encrypted drive"

# open the encrypted drive
sudo cryptsetup luksOpen $drive luks

printf '\n%s\n\n' "Mounting encrypted drive"

# check if the /mnt/encrypted directory exists if not create it
[ -d "/mnt/encrypted/" ] || printf '%s\n' "$password" | sudo -S mkdir -p /mnt/encrypted

# mount the decrypted drive to /mnt/encrypted/ directory
printf '%s\n' "$password" | sudo -S mount /dev/mapper/luks /mnt/encrypted

# Here comes the fun part

# Using a list to backup all my shit

while read Line; do
  echo "Syncing $(basename $Line)"
  rsync -ahAX -v --delete "$Line" $HOME/.local/backup
done <<< "$(cat $HOME/.config/rsync/backup-list)"

printf '\n%s\n\n' "Unmounting encrypted drive"

# unmount the decrypted drive and close/encypt it again
printf '%s\n' "$password" | sudo -S umount /dev/mapper/luks

printf '\n%s\n\n' "Closing encrypted drive"

printf '%s\n' "$password" | sudo -S cryptsetup luksClose luks