#!/bin/bash
#usage : script [-c -l -n -s -k] testsuite_dir

##########################
####   LAUNCH CTEST   ####
##########################

export SHOW_PROGRESS=""
export KEEP_TESTS=""
export DO_NOT_UPLOAD=""
export DO_NOT_TEST=""
export SCP="scp"
export WGET="wget"
export WGET_OPTS="--no-check-certificate --no-verbose"
export CURL="curl"
export CURL_OPTS="-k --remote-name --silent --location-trusted"
export CGAL_URL="https://cgal.geometryfactory.com/CGAL/Releases"
export UPLOAD_RESULT_DESTINATION="cgaltest@cgaltest.geometryfactory.com:incoming"
export LATEST_LOCATION="${CGAL_URL}/LATEST"
export TAR="tar"
export GUNZIP="gunzip"
export COMPRESSOR="gzip"
export CONSOLE_OUTPUT="y"
export CGAL_HOME=$(pwd | sed -E 's/\/cygdrive\/([a-z])\//\U\1:\//')
export USE_TARGZ="y"
export USE_TARBZ="n"
export CGAL_RELEASE=""
export LOGS_DIR=""
export LOCK_FILE=""
export ACTUAL_LOGFILE=""
export CGAL_DIR=""
export INSTALLATION_DIR=""
export TESTSUITE_DIR=""
USE_LATEST_UNZIPPED=""

# ----------------------------------------------------------------------------------------
# produce a string containing the actual date/time
#  (used to identify files)
# ----------------------------------------------------------------------------------------
datestr()
{
  date +%d%m%Y%H%M
}

# ----------------------------------------------------------------------------------------
# Logging functions
# ----------------------------------------------------------------------------------------
log()
{
  LOGFILE=${1}
  shift
  if [ -n "${CONSOLE_OUTPUT}" ]; then
      printf "${*} ...\n"
  fi
  printf "\n-------------------------------------------------------\n" >> "${LOGFILE}"
  printf "  ${*} ...\n"                                                >> "${LOGFILE}"
  printf "\n-------------------------------------------------------\n" >> "${LOGFILE}"
}

log_done()
{
  if [ -n "${CONSOLE_OUTPUT}" ]; then
      printf \
      " done\n-------------------------------------------------------\n"
  fi
  printf "\n-------------------------------------------------------\n" >> "${1}"
  printf "  **DONE**\n"                                                >> "${1}"
  printf "\n-------------------------------------------------------\n" >> "${1}"
}

error()
{
  if [ -n "${CONSOLE_OUTPUT}" ]; then
      printf "\nERROR: ${*}, exiting.\n" >&2
  fi
  printf "\nERROR: ${*}, exiting.\n" >> "${ACTUAL_LOGFILE}"
  ${COMPRESSOR} -9f "${ACTUAL_LOGFILE}"
  FILENAME="${CGAL_RELEASE_ID}-log`datestr`.gz"
  mv "${ACTUAL_LOGFILE}.gz" "${LOGS_DIR}/${FILENAME}"
  if [ ! "${MAIL_ADDRESS}" = "must_be_set_in_.autocgalrc" ]; then
    for i in ${MAIL_ADDRESS}; do
      printf "ERROR\n${LOGS_DIR}/${FILENAME}\n" | \
          ${SENDMAIL} -s "completed autotest" "${i}"
    done
  fi
  rm -rf "$LOCK_FILE";
  exit 1
}

# ----------------------------------------------------------------------------------------
# Downloads the file "LATEST" whose contents indicates which release to test
# ----------------------------------------------------------------------------------------
download_latest()
{
  if [ -r "LATEST" ]; then
    rm -rf LATEST
  fi
    log "${ACTUAL_LOGFILE}" "getting LATEST"
    if [ -n "${USE_CURL}" ]; then
      echo "using curl..."
      ${CURL} ${CURL_OPTS} "${LATEST_LOCATION}" >> "${ACTUAL_LOGFILE}" 2>&1
    else
      echo "using wget..."
      ${WGET} ${WGET_OPTS} "${LATEST_LOCATION}" >> "${ACTUAL_LOGFILE}" 2>&1
    fi
  if [ ! -f "LATEST" ]; then
    error "COULD NOT DOWNLOAD LATEST!"
  fi
}

# ----------------------------------------------------------------------------------------
# Exits the testsuite if the latest release has been already tested.
# This is tested by comparing files LATEST and RELEASE_NR, where
# RELEASE_NR is a copy of the previous LATEST.
# ----------------------------------------------------------------------------------------
abort_if_latest_already_tested()
{
  if [ -r "RELEASE_NR" ]; then
    if cmp LATEST RELEASE_NR >> "${ACTUAL_LOGFILE}"; then
      log "${ACTUAL_LOGFILE}" "This release has already been tested."
      rm -f "$LOCK_FILE";
      exit 1;
    fi
  fi
}



# ----------------------------------------------------------------------------------------
# get CGAL
# ----------------------------------------------------------------------------------------
get_cgal()
{
  if [ -z "$CGAL_LOCATION" ]; then
    for i in `cat LATEST`
    do
      CGAL_LOCATION="${CGAL_URL}/${i}";
      CGAL_ZIPFILE="${i}";
    done
  else
    CGAL_ZIPFILE=`echo "$CGAL_LOCATION" | sed 's|.*/||'`
  fi

  CGAL_RELEASE_ID=`echo $CGAL_ZIPFILE | sed "s/.tar.gz//"`
  echo ${CGAL_RELEASE_ID} |tee last_release_id
  if [ ! "${CGAL_RELEASE_ID}" = "${CGAL_ZIPFILE}" ]; then
    USE_TARGZ="y"
  else
    CGAL_RELEASE_ID=`echo $CGAL_ZIPFILE | sed "s/.tar.bz2//"`
    if [ ! "${CGAL_RELEASE_ID}" = "${CGAL_ZIPFILE}" ]; then
      USE_TARBZ="y"
    fi
  fi

  log "${ACTUAL_LOGFILE}" "CGAL_ZIPFILE    = ${CGAL_ZIPFILE}"
  log "${ACTUAL_LOGFILE}" "CGAL_RELEASE_ID = ${CGAL_RELEASE_ID}"

  log "${ACTUAL_LOGFILE}" "getting CGAL"
  rm -f "${CGAL_ZIPFILE}"
  if [ -n "${USE_CURL}" ]; then
      ${CURL} ${CURL_OPTS} "${CGAL_LOCATION}" >> "${ACTUAL_LOGFILE}" 2>&1
  else
      ${WGET} ${WGET_OPTS} "${CGAL_LOCATION}" >> "${ACTUAL_LOGFILE}" 2>&1
  fi
  if [ ${?} != 0 ]; then
    error "Could not get CGAL"
  fi
  log_done "${ACTUAL_LOGFILE}"
}


# ----------------------------------------------------------------------------------------
# Unzips and untars the downloaded CGAL release
# ----------------------------------------------------------------------------------------
unzip_cgal()
{
  cd "${CGAL_HOME}"

  log "${ACTUAL_LOGFILE}" "unzipping CGAL"
  if [ "${USE_TARGZ}" = "y" ]; then
    DECOMPRESSOR="${GUNZIP}"
    log_done "${ACTUAL_LOGFILE}"
  fi

  if [ "${USE_TARBZ}" = "y" ]; then
    DECOMPRESSOR="bunzip2"
  fi

  log "${ACTUAL_LOGFILE}" "untarring CGAL"
  ${DECOMPRESSOR} -c "${CGAL_ZIPFILE}" | ${TAR} xf - >> "${ACTUAL_LOGFILE}" 2>&1
  if [ ${?} != 0 ]; then
    error "Could not untar CGAL"
  fi

  # check, if CGAL_DIR exists
  if [ -d "${CGAL_HOME}/${CGAL_RELEASE_ID}" ]; then
    # Reset CGAL-I symlink
    log "${ACTUAL_LOGFILE}" "Resetting CGAL-I symlink to ${CGAL_HOME}/${CGAL_RELEASE_ID}"
    rm -f CGAL-I
    ln -s "${CGAL_HOME}/${CGAL_RELEASE_ID}" CGAL-I
    # Reset CGAL-3.x-I symlink
    CGAL_RELEASE=`echo "${CGAL_RELEASE_ID}" | sed 's/I\([^-]*\)-.*/I\1/'`
    log "${ACTUAL_LOGFILE}" "Resetting ${CGAL_RELEASE} symlink to ${CGAL_HOME}/${CGAL_RELEASE_ID}"
    rm -f "${CGAL_RELEASE}"
    ln -s "${CGAL_HOME}/${CGAL_RELEASE_ID}" "${CGAL_RELEASE}"
  else
    error "directory ${CGAL_HOME}/${CGAL_RELEASE_ID} does not exist"
  fi

  log_done "${ACTUAL_LOGFILE}"
}



# Parse command line arguments
for arg in "$@"
do
  case "$arg" in
    "-c")
      echo "Using latest unzipped release instead of getting a new one from the server"
      USE_LATEST_UNZIPPED="y"
      ;;
    "-l")
      echo "Not uploading results to dashboard"
      DO_NOT_UPLOAD="y"
      ;;
    "-n")
       echo "No testsuite will be launched. Installation only."
      DO_NOT_TEST="y"
      ;;
    "-s")
      echo "Showing progress."
      SHOW_PROGRESS="y"
      ;;
    "-k")
      echo "Compiled test/ directory will be kept."
      KEEP_TESTS="y"
      ;;
      "-g")
      echo "Run testsuite from GIT branch"
      export INSTALLATION_DIR="Installation/"
      export TESTSUITE_DIR="Testsuite/"
      export SCRIPTS_DIR="Scripts/"
      UPLOAD_RESULT_DESTINATION="mgimeno@cgal.geometryfactory.com:incoming"
      ;;
    *)
      CGAL_LOCATION=$arg
  esac
done
# Load settings
if [ -f "${CGAL_HOME}/.autocgalrc" ]; then
  . "${CGAL_HOME}/.autocgalrc"
else
  echo "CONFIGURATION FILE  .autocgalrc NOT FOUND" >&2;
  exit 1
fi

LOGS_DIR="${CGAL_HOME}/AUTOTEST_LOGS"
LOCK_FILE="${CGAL_HOME}/autotest_cgal_with_cmake.lock"

# Setup logfile
ACTUAL_LOGFILE="${CGAL_HOME}/`basename ${0}`.log"
rm -f "${ACTUAL_LOGFILE}"

echo "Running `basename ${0}` "'$Revision$' >> "${ACTUAL_LOGFILE}"

cd "$CGAL_HOME"

# Starts the process

if [ -z "${USE_LATEST_UNZIPPED}" -a -z "${SCRIPTS_DIR}" ]; then
  if [ -z "$CGAL_LOCATION" ]; then
    download_latest
    abort_if_latest_already_tested
  fi
  get_cgal
  unzip_cgal
fi
#reset CGAL-DIR with the updated CGAL-I
if [ -n "${SCRIPTS_DIR}" ]; then
  CGAL_DIR=`readlink "${CGAL_HOME}/CGAL-git"`
else
  CGAL_DIR=`readlink "${CGAL_HOME}/CGAL-I"`
fi

CGAL_DIR=$(echo "$CGAL_DIR" | sed -E 's/\/cygdrive\/([a-z])\//\U\1:\//')

CGAL_RELEASE_ID=$(cat last_release_id)
for HOST in ${BUILD_HOSTS}; do
  if [ "$HOST" != "localhost" ]; then
    #launch docker container
    echo "export SHOW_PROGRESS=$SHOW_PROGRESS"> env.sh
    echo "export KEEP_TESTS=$KEEP_TESTS">> env.sh
    echo "export DO_NOT_UPLOAD=$DO_NOT_UPLOAD">> env.sh
    echo "export DO_NOT_TEST=$DO_NOT_TEST">> env.sh
    echo "export SCP=$SCP">> env.sh
    echo "export WGET=$WGET">> env.sh
    echo "export WGET_OPTS=\"$WGET_OPTS\"">> env.sh
    echo "export CURL=$CURL">> env.sh
    echo "export CURL_OPTS=\"$CURL_OPTS\"">> env.sh
    echo "export CGAL_URL=$CGAL_URL">> env.sh
    echo "export UPLOAD_RESULT_DESTINATION=$UPLOAD_RESULT_DESTINATION">> env.sh
    echo "export LATEST_LOCATION=$LATEST_LOCATION">> env.sh
    echo "export TAR=$TAR">> env.sh
    echo "export GUNZIP=$GUNZIP">> env.sh
    echo "export COMPRESSOR=$COMPRESSOR">> env.sh
    echo "export CONSOLE_OUTPUT=$CONSOLE_OUTPUT">> env.sh
    echo "export CGAL_HOME=/cgal_root">> env.sh
    echo "export USE_TARGZ=$USE_TARGZ">> env.sh
    echo "export USE_TARBZ=$USE_TARBZ">> env.sh
    echo "export CGAL_RELEASE=$CGAL_RELEASE">> env.sh
    echo "export LOGS_DIR=/cgal_root/AUTOTEST_LOGS">> env.sh
    echo "export LOCK_FILE=/cgal_root/autotest_cgal_with_cmake.lock">> env.sh
    echo "export ACTUAL_LOGFILE=/cgal_root/\`basename \${0}\`.log">> env.sh
    echo "export REFERENCE_PLATFORMS_DIR=$REFERENCE_PLATFORMS_DIR">>env.sh
    echo "export INSTALLATION_DIR=$INSTALLATION_DIR">>env.sh
    echo "export TESTSUITE_DIR=$TESTSUITE_DIR">>env.sh
    echo "export SCRIPTS_DIR=$SCRIPTS_DIR">>env.sh

    docker pull cgal/testsuite-docker:debian-stable-cross-compilation-for-arm
    if [ -z "${SCRIPTS_DIR}" ]; then #if not from branch
      echo "export CGAL_DIR=/cgal_root/\${CGAL_LAST}">>env.sh
      docker run --rm  -t -e CGAL_LAST="${CGAL_RELEASE_ID}" -e HOST="${HOST}" -v ${CGAL_HOME}/ssh:/tmp_ssh -v ${DEPS_DIR}:/deps -v ${CGAL_HOME}:/cgal_root cgal/testsuite-docker:debian-stable-cross-compilation-for-arm
    else
      echo "export CGAL_DIR=/cgal_root/CGAL-git">>env.sh
      docker run --rm  -t -e HOST="${HOST}" -v ${CGAL_HOME}/ssh:/tmp_ssh -v ${DEPS_DIR}:/deps -v ${CGAL_HOME}:/cgal_root -v${CGAL_DIR}:/cgal_root/CGAL-git cgal/testsuite-docker:debian-stable-cross-compilation-for-arm
    fi
  else
    HOST=$HOST bash -$- ${CGAL_DIR}/${SCRIPTS_DIR}developer_scripts/run_testsuite_with_ctest
  fi
done

cd "${CGAL_HOME}"
if [ -e "LATEST" ]; then
  mv LATEST RELEASE_NR
fi