# shellcheck shell=bash
# ==========================================================================
#         ____            _                     _____           _
#        / ___| _   _ ___| |_ ___ _ __ ___     |_   _|__   ___ | |___
#        \___ \| | | / __| __/ _ \ '_ ` _ \ _____| |/ _ \ / _ \| / __|
#         ___) | |_| \__ \ ||  __/ | | | | |_____| | (_) | (_) | \__ \
#        |____/ \__, |___/\__\___|_| |_| |_|     |_|\___/ \___/|_|___/
#               |___/
#                             --- System-Tools ---
#                  https://www.nntb.no/~dreibh/system-tools/
# ==========================================================================
#
# X.509 Certificate Checker
# Copyright (C) 2025-2026 by Thomas Dreibholz
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# Contact: thomas.dreibholz@gmail.com


# ###### Bash completion for check-certificate ##############################
_check_certificate()
{
   # Based on: https://www.benningtons.net/index.php/bash-completion/
   local cur prev words cword
   if type -t _comp_initialize >/dev/null; then
      _comp_initialize || return
   elif type -t _init_completion >/dev/null; then
      _init_completion || return
   else
      # Manual initialization for older bash completion versions:
      COMPREPLY=()
      cur="${COMP_WORDS[COMP_CWORD]}"
      # shellcheck disable=SC2034
      prev="${COMP_WORDS[COMP_CWORD-1]}"
      # shellcheck disable=SC2034,SC2124
      words="${COMP_WORDS[@]}"
      # shellcheck disable=SC2034
      cword="${COMP_CWORD}"
   fi

   if [ "${cword}" -le 2 ] ; then
      _filedir '@(cert|crt|pem)'
      return
   fi

   case "${prev}" in
      #  ====== Special case: CRL file ======================================
      -C | --crl)
         _filedir '@(crl)'
         return
         ;;
   esac

   # ====== All options =====================================================
   local opts="
-C
--crl
-n
--no-view-certificate
-h
--help
-v
--version
"
   mapfile -t COMPREPLY < <(compgen -W "${opts}" -- "${cur}" )
   return 0
}

complete -F _check_certificate check-certificate
