initscript="$__type/files/nftables-init"

os=$(cat $__global/explorer/os)
os_version=$(cat "$__global/explorer/os_version")

case "$os" in
    debian)
        case "$os_version" in 
            11*)
                conf=/etc/nftables.nft
            ;;
            *)
                conf=/etc/nftables.conf
            ;;
    ;;
    *)
        conf=/etc/nftables.nft
    ;;
esac

if [ -f "$__object/parameter/config-from-stdin" ]; then
   srcfile="$__object/stdin"
else
    if [ ! -f "$__object/parameter/config" ]; then
        echo "Need either config-from-stdin or config" >&2
        exit 1
    fi

    config=$(cat "$__object/parameter/config")
    srcfile="$__files/nftables/${config}.conf"

    if [ ! -f "$srcfile" ]; then
        echo "No such config ${config}. Aborting." >&2
        exit 1
    fi

fi

MONITORING_HOSTS="emonitor1.place5.ungleich.ch, emonitor1.place6.ungleich.ch, emonitor1.place7.ungleich.ch, emonitor1.place12.ungleich.ch, server1.place4.ungleich.ch, monitoring-v3.ungleich.ch"

mkdir "$__object/files"
srctmp="$__object/files/nftables.nft"

sed "s/MONITORING_HOSTS/$MONITORING_HOSTS/" "${srcfile}" > "$srctmp"

__package nftables

__file ${conf} --source "$srctmp" --mode 0644

case $os in
    # Alpine actually has an init script, as opposed to everyone else

    alpine)
        :
        ;;
    debian|devuan|ubuntu)
        __file /etc/init.d/nftables --source "$initscript" --mode 0755
        ;;
    *)
        echo "Unsupported os: $os" >&2
        exit 1
        ;;
esac

require="__package/nftables" __start_on_boot nftables