#!/usr/bin/env bash


    ## ## ## ## ## ## ## ## ## ## ## ## ## ##
   ##                                       ##
  ##           wireguard-peers.sh            ##
 ##                                           ##
  ## Simplify your Wireguard peer management ##
   ##                                       ##
    ## ## ## ## ## ## ## ## ## ## ## ## ## ##


##
## Information
## (don't touch unless you are me)
##

NAME="wireguard-peers.sh"
DESCRIPTION="Simplify your Wireguard peer management"
VERSION="0.1.0"
AUTHOR="david@socialnerds.org"
LICENSE="MIT"
WEBSITE="https://git.socialnerds.org/david/scripts"
CHANGELOG=("[2024-04-06][v0.1.0] Initial version")


##
## Configuration
##

EXECUTABLE="$(basename $0)"
LIBRARIES="lib.sh"
DEPENDENCIES=""
REQUIRE_ROOT=0


##
## Functions
##

# Print help information
function print_help() {
  printf "%s\n\n%s\n%b\n\n%s\n  %-15s %s\n  %-15s %s\n  %-15s %s\n  %-15s %s\n" \
         "$DESCRIPTION" "Usage:" "$LIB_BOLD$EXECUTABLE <options>$LIB_CLEAR" "Options:" \
         "-h, --help" "Print help screen and exit" \
         "-i, --info" "Print script information and exit" \
         "-v, --verbose" "More verbose output" \
         "-q, --quiet" "No output except errors (overrides -v)"
}


##
## Preflight
##

# Load BASH libraries
SCRIPT_PATH=$(readlink -f "$0")
SCRIPT_DIR=$(dirname "$SCRIPT_PATH")
for LIBRARY in $LIBRARIES; do
  if [[ -r "$SCRIPT_DIR/$LIBRARY" ]]; then
    #echo "Loading library file [$SCRIPT_DIR/$LIBRARY]"
    source "$SCRIPT_DIR/$LIBRARY"
  else
    echo "Error: Cannot load library file [$SCRIPT_DIR/$LIBRARY]"
    exit 1
  fi
done

# Check for root privileges
if ! lib_amiroot && [[ $REQUIRE_ROOT -eq 1 ]]; then
  lib_print "!You need to have root privileges"
  exit 1
fi

# Check for dependencies
MISSING_COMMANDS=$(lib_missing_commands $DEPENDENCIES)
if [[ -n "$MISSING_COMMANDS" ]]; then
  lib_print "!One or more commands missing [$MISSING_COMMANDS]"
  lib_print "Try installing them with your package manager"
  exit 1
fi


##
## Liftoff
##

while [[ "$1" =~ ^- && ! "$1" == "--" ]]; do
  case $1 in
    -h|--help)
      H=1
      ;;
    -i|--info)
      I=1
      ;;
    -v|--verbose)
      V=1
      ;;
    -q|--quiet)
      Q=1
      ;;
    *)
      lib_print "!Unknown option [$1]"
      lib_print "Try --help or -h for available options"
      exit 1
      ;;
  esac
  shift
done

if [[ "$1" == '--' ]]; then
  shift
fi

if [[ $I -eq 1 ]]; then
  lib_print_info
  exit 0
elif [[ $H -eq 1 ]]; then
  print_help
  exit 0
fi

if [[ -z "$1" ]]; then
  print_help
  exit 0
else
  lib_print "Supplied option: $1"
  lib_print "!super error"
  lib_print "?super test"
  lib_print "$(lib_gen_string 64)"
fi


##
## Here be dragons
##

exit 0