#!/bin/sh
_install_dir="/usr/local/bin/"
_uninstall=0
_overwrite=0
_exit_status=0
_show_help=0

for _arg in "$@" ; do
  if [ "$_arg" = "-u" ] || [ "$_arg" = "--uninstall" ] ; then
    _uninstall=1
  elif [ "$_arg" = "-o" ] || [ "$_arg" = "--overwrite" ] ; then
    _overwrite=1
  elif [ "$_arg" = "-h" ] || [ "$_arg" = "--help" ] ; then
    _show_help=1
  else
    echo "warning: unknown option."
    _show_help=1
  fi
done

if [ "$_show_help" -eq 1 ] ; then
  echo ""
  echo "TODO - Show Help"
  echo "Look at source code for now - there's only two options."
  exit "$_exit_status"
fi

echo "Install directory: '$_install_dir'"
echo ""

for _file in ./src/* ; do
  _destination="$_install_dir"$(basename "$_file")
  if [ $_uninstall -eq 0 ] ; then
    if [ ! -e "$_destination" ] || [ "$_overwrite" -eq 1 ] ; then
      echo "installing: $_file"
      sudo cp "$_file" "$_install_dir"
    else
      echo "file present - skipping: $_file"
    fi
  elif [ $_uninstall -eq 1 ] ; then
    if [ -n "$_destination" ] ; then
      echo "uninstalling: $_destination"
      sudo rm "$_install_dir$_destination"
    fi
  fi
done


if [ $_uninstall -eq 0 ] ; then
  echo ""
  echo "Install complete -- uninstall with"
  echo "  ./install -u"
else
  echo ""
  echo "Uninstall complete"
fi