#! /usr/bin/env dash
# shellcheck disable=SC2086
# shellcheck source=/dev/null
. %SHELL_LIBRARY_PATH
msg "Select a host-config:"
hosts=$(mktmp);
host="";

awk -F "." '/inputs.nixpkgs.lib.nixosSystem/{print $1}' "$(tmp 'curl https://git.sils.li/ene/nixos-config/raw/branch/prime/flake/nixosConfigurations/default.nix 2> /dev/null')" | awk '{print $1}' > $hosts;

while ! grep "$host" "$hosts" > /dev/null || [ "$(printf "%s" "$host" | wc -c)" -eq 0 ]; do
    i=1;
    while read -r ho ; do
        printf "%4s) %s \n" "$i" "$ho";
        i=$((i+1));
    done < "$hosts"
    printf "%4s) Exit\n" "q"
    readp  "Enter a option: " host

    [ "$host" = "q" ] && exit 1
    host=$(awk -v i="$host" '{if (NR==i) {print $0}}' "$hosts");
    if ! grep "$host" "$hosts" > /dev/null || [ "$(printf "%s" "$host" | wc -c)" -eq 0 ]; then
        warning "No host selected. Select a host to continue.\n"
    fi
done
nixos-install --flake git+https://git.sils.li/ene/nixos-config#${host} --no-root-passwd

# clone the git config
git clone https://git.sils.li/ene/nixos-config /mnt/srv/etc/nixos

# setup persistent home dir
mkdir --parents /mnt/srv/home
chown 1000:100 --recursive /mnt/srv/home
chmod 700 /mnt/srv/home

readp "Do you want to continue with the user configuration setup?[N/y]: " result;
case "$result" in
    [yY])
        nix run "git+https://git.sils.li/ene/nixos-config#config_setup" --experimental-features 'nix-command flakes';
        ;;
    *)
        msg "Well, if you want to do everything yourself..."
        exit 1
        ;;
esac