#!/usr/bin/env bash

#
# blackbox_addadmin -- Add an admin to the system
#

# Example:
#    blackbox_addadmin tal@example.com
#

set -e
source "${0%/*}/_blackbox_common.sh"

fail_if_not_in_repo

KEYNAME="$1"
: "${KEYNAME:?ERROR: First argument must be a keyname (email address)}" ;

# Add the email address to the BB_ADMINS file.  Remove any duplicates.
# The file must exist for sort to act as we expect.
touch "$BB_ADMINS"
sort  -fdu -o "$BB_ADMINS" <(echo "$1") "$BB_ADMINS"


# Add the user's key to the keychain.

# Extract it:
make_self_deleting_tempfile pubkeyfile

# The second argument, if present, is the directory to find the GPG keys to be imported.
if [[ -z $2 ]]; then
  $GPG --export -a "$KEYNAME" >"$pubkeyfile"
else
  # TODO(tlim): This could probably be done with GNUPGHOME
  # but that affects all commands; we just want it to affect the key export.
  $GPG --homedir="$2" --export -a "$KEYNAME" >"$pubkeyfile"
fi

if [[ $(wc -l < "$pubkeyfile") = 0 ]]; then
  fail_out "GPG key '$KEYNAME' not found.  Please create it with: $GPG --gen-key"
  exit 1
fi

# Import it:
$GPG --no-permission-warning --homedir="$KEYRINGDIR" --import "$pubkeyfile"
pubring_path=$(get_pubring_path)
vcs_add "$pubring_path" "$KEYRINGDIR/trustdb.gpg" "$BB_ADMINS"

# Make a suggestion:
echo
echo
echo 'NEXT STEP: You need to manually check these in:'
echo '     ' $VCS_TYPE commit -m\'NEW ADMIN: $KEYNAME\' "$BLACKBOXDATA/$(basename ${pubring_path})" "$BLACKBOXDATA/trustdb.gpg" "$BLACKBOXDATA/$BB_ADMINS_FILE"