#! /bin/sh
#
# (c) 2018, coded by Nat!, Mulle KybernetiK
#
[ "${TRACE}" = 'YES' ] && set -x && : "$0" "$@"


PREFIX="${1:-/usr/local}"
SUDO="${2:-`command -v sudo`}"

SUDO="${SUDO:-`command -v doas`}"
if [ "${SUDO}" = "no" -o `id -u` -eq 0 ]
then
   SUDO=""
   echo "Installing under user id `id -u` (PATH=$PATH)" >&2
else
   SUDO="`basename -- "${SUDO}" `"
   echo "Installing with ${SUDO} under user id `id -u` (PATH=$PATH)" >&2
fi



if [ "${MULLE_NAT_PROJECTS}" != "NONE" ]
then
   MULLE_NAT_PROJECTS="${MULLE_NAT_PROJECTS}
mulle-bashfunctions;${MULLE_BASHFUNCTIONS_VERSION}"
else
   MULLE_NAT_PROJECTS=""
fi

if [ "${SDE_PROJECTS}" != "NONE" ]
then
   SDE_PROJECTS="${SDE_PROJECTS}
mulle-craft;${MULLE_CRAFT_VERSION}
mulle-dispense;${MULLE_DISPENSE_VERSION}
mulle-domain;${MULLE_DOMAIN_VERSION}
mulle-env;${MULLE_ENV_VERSION}
mulle-fetch;${MULLE_FETCH_VERSION}
mulle-make;${MULLE_MAKE_VERSION}
mulle-match;${MULLE_MATCH_VERSION}
mulle-menu;${MULLE_MENU_VERSION}
mulle-monitor;${MULLE_MONITOR_VERSION}
mulle-platform;${MULLE_PLATFORM_VERSION}
mulle-sde;${MULLE_SDE_VERSION}
mulle-semver;${MULLE_SEMVER_VERSION}
mulle-sourcetree;${MULLE_SOURCETREE_VERSION}
mulle-template;${MULLE_TEMPLATE_VERSION}"
else
   SDE_PROJECTS=""
fi


install_project()
(
   vendor="$1"
   project="$2"

   [ -z "${project}" ] && return 0

   name="`printf "%s\n" "${project}"    | sed -n -e 's/\([^;]*\);\(.*\)/\1/p'`"
   name="${name:-${project}}"

   version="`printf "%s\n" "${project}" | sed -n -e 's/\([^;]*\);\(.*\)/\2/p'`"
   version="${version:-${MULLE_SDE_DEFAULT_VERSION}}"
   version="${version:-latest}"

   url="https://github.com/${vendor}/${name}/archive/${version}.tar.gz"

   echo "Download ${version} version of \"${name}\" from \"${url}\"" >&2

   if ! "${CURL}" ${CURLFLAGS} "${url}" | ${SUDO} "${TAR}" xvfz -
   then
      echo "Download/unpack failed in \"$PWD\"" >&2
      exit 1
   fi

   if ! cd "${name}-${version}"
   then
      echo "Unpack into \"${name}-${version}\" failed" >&2
      ls -CF >&2
      exit 1
   fi

   if ! ( ${SUDO} ./bin/installer "${PREFIX}" "${MODE:-755}" "${LIBEXEC_DIRNAME}" \
          || ${SUDO} ./install.sh "${PREFIX}" )
   then
      echo "Installation failed" >&2
      exit 1
   fi

   cd .. && rm -rf "${name}-${version}" || exit 1
)


main()
{
   mkdir -p "${PREFIX}" || exit 1

   for project in ${MULLE_NAT_PROJECTS}
   do
      install_project "mulle-nat" "${project}"
   done

   for project in ${SDE_PROJECTS}
   do
      install_project "mulle-sde" "${project}"
   done

   for vendorproject in ${OTHER_PROJECTS}
   do
      vendor="`printf "%s\n" "${vendorproject}"  | sed -n -e 's/\([^/]*\)\/\(.*\)/\1/p'`"
      project="`printf "%s\n" "${vendorproject}" | sed -n -e 's/\([^/]*\)\/\(.*\)/\2/p'`"

      install_project "${vendor}" "${project}"
   done
}


#
# wget is OK as well, but defaults to curl
#
CURL="`command -v curl`"
TAR="`command -v gtar`"

case "`uname`" in 
   [Ss]un*)
      if [ -z "${TAR}" ]
      then
         echo "need gtar to install (use pkgutil install gnutar)" 2>&1
         exit 1
      fi
   ;;
esac


TAR="${TAR:-`command -v tar`}"

# if this becomes a problem use unzip as an alternative
if [ -z "${TAR}" ]
then
   echo "Need tar or gtar to install" 2>&1
   exit 1
fi

if [ -z "${CURL}" -a ! -z "`command -v wget`" ]
then
   CURL="wget"
   CURLFLAGS="${CURLFLAGS} -O -"
else
   CURL="curl"
   CURLFLAGS="${CURLFLAGS} -L -S"
fi

main "$@"