#!/bin/bash
pushd "${BASH_SOURCE%/*}" > /dev/null;

ARCH_TIMEZONE="${ARCH_TIMEZONE:-Europe/Zurich}";
ARCH_DISK="${ARCH_DISK}";
ARCH_HOSTNAME="${ARCH_HOSTNAME}";
ARCH_MOUNT_ROOT="${ARCH_MOUNT_ROOT:-"/mnt"}";
ARCH_LANG="en_US.UTF-8";
ARCH_KEYMAP="de_CH-latin1";
LOCALE_PATTERN="\(de_CH\|en_US\)";

projectRoot="$(realpath ../../..)";
projectName="$(basename "$projectRoot")";
relativeDir="$(realpath --relative-to "$projectRoot" "$(pwd)")";
tempRoot="/root/$(basename "$projectName")";
cp -r "$projectRoot"; "${ARCH_MOUNT_ROOT}$tempRoot";
tempDir="$tempRoot/$relativeDir";

loadkeys "$ARCH_KEYMAP";
timedatectl set-timezone "$ARCH_TIMEZONE";
. "./partition.sh";
pacstrap -K "$ARCH_MOUNT_ROOT" base linux linux-firmware networkmanager;
genfstab -U "$ARCH_MOUNT_ROOT" >> "$ARCH_MOUNT_ROOT/etc/fstab";

arch-chroot "$ARCH_MOUNT_ROOT" ln -sf /usr/share/zoneinfo/Europe/Zurich /etc/localtime;
arch-chroot "$ARCH_MOUNT_ROOT" hwclock --systohc;

arch-chroot "$ARCH_MOUNT_ROOT" sed -i "s/#$LOCALE_PATTERN/\1/" /etc/locale.gen;
arch-chroot "$ARCH_MOUNT_ROOT" locale-gen;
echo "LANG=$ARCH_LANG" | arch-chroot "$ARCH_MOUNT_ROOT" tee /etc/locale.conf > /dev/null;
echo "KEYMAP=$ARCH_KEYMAP" | arch-chroot "$ARCH_MOUNT_ROOT" tee /etc/vconsole.conf > /dev/null;

arch-chroot "$ARCH_MOUNT_ROOT" echo "$ARCH_HOSTNAME" > /etc/hostname;
arch-chroot "$ARCH_MOUNT_ROOT" mkinitcpio -P;

echo "Please choose a password for the user \`root\`";
arch-chroot "$ARCH_MOUNT_ROOT" passwd;

arch-chroot "$ARCH_MOUNT_ROOT" bash "$tempDir/../Software/GRUB/install.sh";
arch-chroot "$ARCH_MOUNT_ROOT" rm -rf "$tempRoot";

popd > /dev/null;