#!/usr/bin/env bash

#
# blackbox_diff -- Show all differences.
#

set -e
blackbox_home=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
source "${blackbox_home}/_blackbox_common.sh"

if [[ -z $GPG_AGENT_INFO ]]; then
  echo 'WARNING: You probably want to run gpg-agent as'
  echo 'you will be asked for your passphrase many times.'
  echo 'Example: $ eval $(gpg-agent --daemon)'
  read -r -p 'Press CTRL-C now to stop. ENTER to continue: '
fi

prepare_keychain

modified_files=()
echo '========== DIFFING FILES: START'
while IFS= read <&99 -r unencrypted_file; do
  unencrypted_file=$(get_unencrypted_filename "$unencrypted_file")
  encrypted_file=$(get_encrypted_filename "$unencrypted_file")
  fail_if_not_on_cryptlist "$unencrypted_file"
  if [[ -f "$unencrypted_file" ]]; then
    out=$(diff -u <(gpg --yes -q --decrypt "$encrypted_file") "$unencrypted_file" || true)
    if [ "$out" != "" ]; then
      echo ========== PROCESSING '"'$unencrypted_file'"'
      echo "$out"
      modified_files+=("$unencrypted_file")
    fi
  fi
done 99<"$BB_FILES"
echo '========== DIFFING FILES: DONE'

fail_if_keychain_has_secrets

echo '========== DONE.'

if [ ${#modified_files[@]} -eq 0 ] ; then
  exit 0
fi

echo 'Likely next steps:'
for f in "${modified_files[@]}" ; do
  echo "    blackbox_edit_end" '"'$f'"'
done