if ! yesno "nun gehts los, sicher?" y; then
	exit
fi

module start "disk" "Partition disk"
sleep=4

diskid="${cfg[diskid]//-/_}"
dodiskid="/dev/disk/by-id/${cfg[diskid]}"

index=1

echo "Formatting disk"
if test -d /sys/firmware/efi; then
	echo "UEFI Partition"
	(echo "g";
	echo "n";
	echo "1";
	echo "";
	echo "+1G";
	echo "t";
	echo "1";
	sleep $sleep;
	echo "w") | fdisk "${dodiskid}" > /dev/null
	sleep $sleep
	efipart="${dodiskid}-part${index}"
	index=$(( index + 1 ))
else
	echo "BIOS Partition"
	(echo "o";
	sleep $sleep;
	echo "w") | fdisk -w always -W always "${dodiskid}" > /dev/null
fi
sleep $sleep
sync


echo "create bootpartition"
target_boot="${dodiskid}-part${index}"
index=$(( index + 1 ))
if test -d /sys/firmware/efi; then
(echo "n";
echo "";
echo "";
echo "+4G";
sleep $sleep;
echo "w") | fdisk -w always -W always "${dodiskid}" > /dev/null
else
(echo "n";
echo "p";
echo "1";
echo "";
echo "+4G";
echo "a";
sleep $sleep;
echo "w") | fdisk -w always -W always "${dodiskid}" > /dev/null
fi
sleep $sleep

if [[ "${cfg[rootfssize]}" == "rest" ]]; then
	target_partition_tmp="${dodiskid}-part${index}"
	echo "create rootfs"
	if test -d /sys/firmware/efi; then
	(echo "n";
	echo "";
	echo "";
	echo "";
	sleep $sleep;
	echo "w") | fdisk -w always -W always "${dodiskid}" > /dev/null
	else
	(echo "n";
	echo "p";
	echo "2";
	echo "";
	echo "";
	sleep $sleep;
	echo "w") | fdisk -w always -W always "${dodiskid}" > /dev/null
	fi
elif [[ ! "${cfg[rootfssize]}" == "rest" ]]; then
	target_partition_tmp="${dodiskid}-part${index}"
	echo "create rootfs with a specific size"
	if test -d /sys/firmware/efi; then
	(echo "n";
	echo "";
	echo "";
	echo "+${rootfssize}G";
	sleep $sleep;
	echo "w") | fdisk -w always -W always "${dodiskid}" > /dev/null
	else
	(echo "n";
	echo "p";
	echo "2";
	echo "";
	echo "+${rootfssize}G";
	sleep $sleep;
	echo "w") | fdisk -w always -W always "${dodiskid}" > /dev/null
	fi
fi
sleep $sleep

target_partition="${target_partition_tmp}"
if [[ ! "${cfg[fde_key_store]}" == "none" ]]; then
	echo -n "${cfg[diskpw]}" | cryptsetup luksFormat --type luks1 "${target_partition}" -d -
	sleep $sleep
	sync
	echo -n "${cfg[diskpw]}" | cryptsetup luksOpen "${target_partition}" "voidluks-${diskid}" -d -
	sleep $sleep
	sync
        #echo -n "oem" | cryptsetup luksFormat --type luks1 "${target_partition}" -d -
        #echo -n "oem" | cryptsetup luksOpen "${target_partition}" "voidluks-${diskid}" -d -
	target_partition="/dev/mapper/voidluks-${diskid}"
fi

mkswap "${target_partition}" || exit 1
sleep $sleep
sync
vgcreate -q -f "voidvg.${diskid}" "${target_partition}" || exit 1
sleep $sleep
sync
lvcreate -q -y --name swap -L "${cfg[swapsize]}"G "voidvg.${diskid}" || exit 1
sleep $sleep
sync
lvcreate -q -y --name root -l 100%FREE "voidvg.${diskid}" || exit 1
sleep $sleep
sync
mkfs.btrfs -q -f "/dev/mapper/voidvg.${diskid}-root" || exit 1

mkswap "/dev/mapper/voidvg.${diskid}-swap" || exit 1

mount "/dev/mapper/voidvg.${diskid}-root" "${dest}" || exit 1
btrfs subvol create "${dest}/rootfs"
btrfs subvol create "${dest}/homefs"
mkdir -p "${dest}/system/snapshots/update" "${dest}/system/snapshots/regular" "${dest}/system/backup"
umount "${dest}"

mount "/dev/mapper/voidvg.${diskid}-root" "${dest}" -o subvol=rootfs
for i in boot home dev proc sys tmp etc var/lib/backup/quelle/rootfs var/lib/backup/ziel var/db; do mkdir -p "${dest}/${i}"; done

mount "/dev/mapper/voidvg.${diskid}-root" "${dest}"/home -o subvol=homefs
mkdir -p "${dest}/var/lib/backup/quelle/bootfs"

mkfs.btrfs -q -f "${target_boot}"
mount "${target_boot}" "${dest}/boot"
btrfs subvol create "${dest}/boot/bootfs"
mkdir -p "${dest}/boot/system/snapshots/update" "${dest}/boot/system/snapshots/regular" "${dest}/boot/system/backup"
umount "${dest}/boot"

if [[ "${cfg[fde_key_store]}" == "once" ]]; then
	mount "${target_boot}" "${dest}/boot" -o subvol=bootfs
fi

if test -d /sys/firmware/efi; then
	mkdir -p "${dest}/boot/efi"
	mkfs.vfat "${efipart}"
	sleep $sleep
	mount "${efipart}" "${dest}/boot/efi"
fi

for dir in dev proc sys run; do mkdir -p "${dest}"/$dir ; mount --rbind /$dir "${dest}"/$dir ; mount --make-rslave "${dest}"/$dir ; done

setconf add rootuuid "$(blkid -o value -s UUID ${target_partition})"
setconf add partuuid "$(blkid -o value -s UUID /dev/mapper/voidvg.${diskid}-root)"
[[ "${cfg[fde_key_store]}" == "once" ]] && setconf "add" "bootuuid" "$(blkid -o value -s UUID ${target_boot})"
setconf add swapuuid "$(blkid -o value -s UUID /dev/mapper/voidvg.${diskid}-swap)"


mount -t tmpfs -o size=512m tmpfs "${dest}"/tmp

module end