#/usr/bin/env bash

set -euo pipefail

function fn_extract_fpr(){
  gpgkeyfile=$1;shift;
  # fingerprint
  # caveat: restrict to netgo.de email, use-case:
  # uid ... <...@mehrwerk.net>
  # uid ... <...@netgo.de>
  fpr="$(gpg --show-keys --list-options show-only-fpr-mbox "${gpgkeyfile}" | grep '@netgo.de' | awk "{print \$1}")"
  echo "${fpr}"
}

function fn_extract_uid(){
  gpgkeyfile=$1;shift;
  # user id
  # caveat: restrict to netgo.de email, use-case:
  # uid ... <...@mehrwerk.net>
  # uid ... <...@netgo.de>
  uid="$(gpg --show-keys --with-colons "${gpgkeyfile}" | awk -F':' '$1=="uid" {print $10}' | grep '@netgo.de')"
  echo "${uid}"
}

echo "# Fingerprint | User Type | User ID"
for gpgkeyfile in *automation*gpg.pub; do
  u_type="autom"
  echo "$(fn_extract_fpr "${gpgkeyfile}") | ${u_type} | $(fn_extract_uid "${gpgkeyfile}")"
done
for gpgkeyfile in $(ls *gpg.pub | grep -v automation); do
  u_type="human"
  echo "$(fn_extract_fpr "${gpgkeyfile}") | ${u_type} | $(fn_extract_uid "${gpgkeyfile}")"
done
echo "# keys in https://git.dev-at.de/smardigo-hetzner/communication-keys"