#!/bin/bash
set -euo pipefail

BASEDIR="$(dirname "${0}" | sed "s|^\.|${PWD}|")"

printf \
	'\033[?47l\012'

cat << EOF
#######################################
##                                   ##
##  $(cat "${BASEDIR}/title") Script  ##
##                                   ##
##   Jean  <jean@easthighnerd.net>   ##
##                                   ##
#######################################


####################
##                ##
##      Pre       ##
##  Installation  ##
##                ##
####################

EOF

source \
	/etc/os-release
source \
	"${BASEDIR}/system.conf"


if [[ "${ID}" == 'debian' ]]; then
	if [[ ! "$(hostname)" == "debian-live" ]]; then
		cat << EOF | tee /etc/apt/sources.list.d/contrib.sources 1> /dev/null
Enabled:		yes
Types:			deb
URIs:			http://deb.debian.org/debian/
Suites:			${VERSION_CODENAME}
Components:		contrib
Signed-By:		/usr/share/keyrings/debian-archive-keyring.gpg
EOF
	fi
fi


if [[ -f '/usr/bin/gsettings' ]]; then
	gsettings \
		set \
		org.gnome.desktop.media-handling \
		automount \
		false
fi

if [[ "${ID}" == 'debian' ]]; then
	apt \
		update && \
	apt \
		install \
		--yes \
		mmdebstrap \
		gdisk \
		zfsutils-linux \
		systemd-timesyncd
elif [[ "${ID}" == 'fedora' ]]; then
	if [[ "${VERSION_ID}" -lt '41' ]]; then
		dnf config-manager \
			--disable \
			updates
	else
		dnf config-manager \
			setopt \
			updates.enabled=0
	fi

	dnf install \
		-y \
		https://zfsonlinux.org/fedora/zfs-release-${ZOL_FEDORA_VER}$(rpm --eval "%{dist}").noarch.rpm

	dnf install \
		-y \
		https://dl.fedoraproject.org/pub/fedora/linux/releases/${VERSION_ID}/Everything/x86_64/os/Packages/k/kernel-devel-$(uname -r).rpm

	dnf install \
		-y \
		zfs \
		gdisk

	modprobe \
		zfs
fi

timedatectl

if [[ ! "$(hostname)" == "debian-live" ]]; then
	zgenhostid \
		-f \
		0x00bab10c
fi


"${BASEDIR}/partition.sh"

sleep 5

"${BASEDIR}/mkfs.zfs.sh"

mkdir \
	-p \
	/mnt/run

mount \
	-t \
	tmpfs \
	tmpfs \
	/mnt/run

mkdir \
	-p \
	/mnt/run/lock

if [[ "${ID}" == 'elementary' ]]; then
	"${BASEDIR}/base-elementary.sh" -1
elif [[ "${ID}" == 'debian' ]]; then
	"${BASEDIR}/base-debian.sh" -1
fi

printf \
	"${HOSTNAME}\n" | tee /mnt/etc/hostname &> /dev/null

printf \
	"127.0.1.1\t${HOSTNAME}\n" | tee --append /mnt/etc/hosts &> /dev/null

if [[ "${ID}" == 'debian' ]]; then
	"${BASEDIR}/base-debian.sh" -2
fi

if [[ "${ID}" == 'elementary' ]]; then
	"${BASEDIR}/base-elementary.sh" -2
elif [[ "${ID}" == 'debian' ]]; then
	"${BASEDIR}/base-debian.sh" -3
fi

mount \
	--rbind \
	/dev \
	/mnt/dev

mount \
	--rbind \
	/proc \
	/mnt/proc

mount \
	--rbind \
	/sys \
	/mnt/sys

cp \
	/etc/hostid \
	/mnt/etc/

if [[ "${ID}" == 'fedora' ]]; then
	"${BASEDIR}/base-fedora.sh" -2
fi

rsync -pogAXtlHrDx \
	"${BASEDIR}" \
		/mnt

if [[ "${ID}" == 'elementary' ]]; then
	"${BASEDIR}/base-elementary.sh" -3
fi

# if [[ ! "${*}" = *--no-part* ]]; then
	if [[ -f "/etc/zfs/keys/${HOSTNAME,,}.key" ]]; then
		cp \
			/etc/zfs/keys/${HOSTNAME,,}.key \
			/mnt/etc/zfs/keys/
	fi
# fi

if [[ "${ID}" == 'elementary' ]]; then
	"${BASEDIR}/base-elementary.sh" -4
fi

printf \
	"\nNow chrooting into /mnt...\n\n"

chroot \
	/mnt \
	bash \
	--login

mount | grep -v zfs | tac | awk '/\/mnt/ {print $3}' | xargs -I {} umount -Rlf {}

if [[ "${ID}" == 'fedora' ]]; then
	umount \
		-nR \
		/mnt
fi

zpool \
	export \
	-a

printf \
	'\033[?47h\033[2J\033[H'

cat <<EOF

Script has finished running

Please reboot your computer

Press any key to return to the main menu
EOF

read -srn 1