#!/usr/bin/env bash
[[ " help config:help " == *" $1 "* ]] || exit "$DOKKU_NOT_IMPLEMENTED_EXIT"
set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x

case "$1" in
  help | config:help)
    help_content_func () {
      declare desc="return config plugin help content"
      cat<<help_content
    config (<app>|--global), Display all global or app-specific config vars
    config:get (<app>|--global) KEY, Display a global or app-specific config value
    config:set (<app>|--global) KEY1=VALUE1 [KEY2=VALUE2 ...], Set one or more config vars
    config:unset (<app>|--global) KEY1 [KEY2 ...], Unset one or more config vars
help_content
    }

    if [[ $1 = "config:help" ]] ; then
        echo -e 'Usage: dokku config[:COMMAND] (<app>|--global)'
        echo ''
        echo 'Manage global or app-specific config vars.'
        echo ''
        echo 'Additional commands:'
        help_content_func | sort | column -c2 -t -s,
    else
        help_content_func
    fi
    ;;

  *)
    exit "$DOKKU_NOT_IMPLEMENTED_EXIT"
    ;;

esac