#!/bin/bash
set -euo pipefail

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

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


packages=(\
console-setup \
cryptsetup \
curl \
dosfstools \
dpkg-dev \
efibootmgr \
ethtool \
firmware-{ast,atheros,bnx{2,2x},brcm80211,iwlwifi,libertas,linux,realtek,zd1211} \
flatpak \
keyboard-configuration \
linux-{headers,image}-amd64 \
locales \
nano \
network-manager \
openssh-{client,server} \
popularity-contest \
printer-driver-all \
systemd-timesyncd \
tasksel \
zfs-initramfs \
zstd\
)


include="--include=${packages[0]}"

for ((i=1;i<${#packages[@]};i++)); do
	include+=" --include=${packages[${i}]}"
done

if [[ "${1}" == '-1' ]]; then
	mmdebstrap \
		--skip=check/empty \
		--components=main,non-free-firmware,contrib \
		--mode=root \
		--format=directory \
		${include} \
		"${VERSION_CODENAME}" \
		/mnt
elif [[ "${1}" == '-2' ]]; then
	NETWORK_INTERFACE=($(ip -br addr show | sed 's| .*$||g' | grep -v '^lo' | grep -v 'tailscale' | grep -v '^wg'))
	shopt -s extglob

	for ((i = 0; i < ${#NETWORK_INTERFACE[@]}; i++)); do
		cat << EOF | tee /mnt/etc/network/interfaces.d/${NETWORK_INTERFACE[$i]} &> /dev/null
allow-hotplug	${NETWORK_INTERFACE[$i]}
iface		${NETWORK_INTERFACE[$i]}	inet	dhcp
EOF
	done
elif [[ "${1}" == '-3' ]]; then
	cat << EOF | tee /mnt/etc/apt/sources.list.d/${VERSION_CODENAME}.sources &> /dev/null
# ${VERSION_CODENAME^}
Enabled:		yes
Types:			deb deb-src
URIs:			http://deb.debian.org/debian/
Suites:			${VERSION_CODENAME}
Components:		main non-free-firmware contrib
Signed-By:		/usr/share/keyrings/debian-archive-keyring.gpg

# ${VERSION_CODENAME^} Security
Enabled:		yes
Types:			deb deb-src
URIs:			http://deb.debian.org/debian-security/
Suites:			${VERSION_CODENAME}-security
Components:		main non-free-firmware contrib
Signed-By:		/usr/share/keyrings/debian-archive-keyring.gpg

# ${VERSION_CODENAME^} Updates
Enabled:		yes
Types:			deb deb-src
URIs:			http://deb.debian.org/debian/
Suites:			${VERSION_CODENAME}-updates
Components:		main non-free-firmware contrib
Signed-By:		/usr/share/keyrings/debian-archive-keyring.gpg
EOF

	rm /mnt/etc/apt/sources.list
fi