#!/usr/bin/env bash
#*******************************************************************************
# Copyright (c) 2016 IBM Corporation and others.
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Eclipse Public License v1.0
# which accompanies this distribution, and is available at
# http://www.eclipse.org/legal/epl-v10.html
#
# Contributors:
#     David Williams - initial API and implementation
#*******************************************************************************
#

if [ $# -ne 1 ]; then
  echo USAGE: $0 env_file
  exit 1
fi

if [ ! -r "$1" ]; then
  echo "$1" cannot be read
  echo USAGE: $0 env_file
  exit 1
fi

source "$1"

export SCRIPT_PATH=${SCRIPT_PATH:-$(pwd)}

source $SCRIPT_PATH/build-functions.shsource

# derived values
gitCache=$( fn-git-cache "$BUILD_ROOT")
aggDir=$( fn-git-dir "$gitCache" "$AGGREGATOR_REPO" )

if [ -z "$BUILD_ID" ]; then
  BUILD_ID=$(fn-build-id "$BUILD_TYPE" )
fi

buildDirectory=$( fn-build-dir "$BUILD_ROOT" "$BUILD_ID" "$STREAM" )
basebuilderDir=$( fn-basebuilder-dir "$BUILD_ROOT" "$BUILD_ID" "$STREAM" )

$SCRIPT_PATH/getEBuilderForDropDir.sh $buildDirectory $EBUILDER_HASH

fn-checkout-basebuilder "$basebuilderDir"

launcherJar=$( fn-basebuilder-launcher "$basebuilderDir" )

EBuilderDir="${buildDirectory}/eclipse.platform.releng.aggregator/eclipse.platform.releng.tychoeclipsebuilder"

# compute update site parent directory on build server
function updateSiteParent()
{
  checkNArgs $# 3
  ROOT="$1"; shift
  BUILD_ID="$1"; shift
  STREAM="$1"; shift

  buildType=${BUILD_ID:0:1}


  # contrary to intuition (and previous behavior, bash 3.1) do NOT use quotes around right side of expression.
  if [[ "${STREAM}" =~ ^([[:digit:]]+)\.([[:digit:]]+)\.([[:digit:]]+)$ ]]
  then
    eclipseStreamMajor=${BASH_REMATCH[1]}
    eclipseStreamMinor=${BASH_REMATCH[2]}
    eclipseStreamService=${BASH_REMATCH[3]}
  else
    echo "STREAM, $STREAM, must contain major, minor, and service versions, such as 4.3.0" >${TRACE_OUTPUT}
    return 1
  fi

  siteDir=${ROOT}/siteDir
  updatesSuffix="builds"
  siteDirParent=$siteDir/updates/${eclipseStreamMajor}.${eclipseStreamMinor}-${buildType}-${updatesSuffix}
  mkdir -p ${siteDirParent}
  RC=$?
  if [[ $RC != 0 ]]
  then
    echo "ERROR: could not create update site parent on build machine. RC: $RC" >${TRACE_OUTPUT}
    echo "       obtained error trying to create ${updateSiteParent}" >${TRACE_OUTPUT}
    return 1
  fi

  echo $siteDirParent
}


# compute update site on build server
function updateSiteOnBuildMachine()
{
  checkNArgs $# 3
  ROOT="$1"; shift
  BUILD_ID="$1"; shift
  STREAM="$1"; shift

  buildType=${BUILD_ID:0:1}


  # contrary to intuition (and previous behavior, bash 3.1) do NOT use quotes around right side of expression.
  if [[ "${STREAM}" =~ ^([[:digit:]]+)\.([[:digit:]]+)\.([[:digit:]]+)$ ]]
  then
    eclipseStreamMajor=${BASH_REMATCH[1]}
    eclipseStreamMinor=${BASH_REMATCH[2]}
    eclipseStreamService=${BASH_REMATCH[3]}
  else
    echo "STREAM, $STREAM, must contain major, minor, and service versions, such as 4.3.0" >${TRACE_OUTPUT}
    return 1
  fi

  siteDir=${ROOT}/siteDir
  updatesSuffix="builds"
  siteDirParentOnBuildMachine=$( updateSiteParent "$BUILD_ROOT" "$BUILD_ID" "$STREAM" )
  siteDirOnBuildMachine=${siteDirParentOnBuildMachine}/${BUILD_ID}
  mkdir -p ${siteDirOnBuildMachine}
  RC=$?
  if [[ $RC != 0 ]]
  then
    echo "ERROR: could not create update site on build machine. RC: $RC" >${TRACE_OUTPUT}
    echo "       obtained error trying to create ${siteDirOnBuildMachine}" >${TRACE_OUTPUT}
    return 1
  fi

  echo $siteDirOnBuildMachine
}

siteDirOnBuildMachine=$( updateSiteOnBuildMachine "$BUILD_ROOT" "$BUILD_ID" "$STREAM" )
echo "siteDirOnBuildMachine: ${siteDirOnBuildMachine}"
repositoryDir=${buildDirectory}/repository
echo "repositoryDir: ${repositoryDir}"

# leave both old and new methods for now, so true (1) ==> old straight copy.
# change to false (0) to test new method.
if (( 1 ))
then
  DO_NOT_MIRROR_IN_ASSEMBLY="-DdoNotMirror=true"
  # for now, straight copy from what was produced to local build machine directory.
  # This is partially done so that
  #   rest of scripts stay common
  #   but eventually, we might put in some mirror/comparator/remove tasks here.

  # NOTE: we are using the "safe copy" we put in drop directory on build machine.

  # make posiitive ${repositoryDir} is not empty, or we are basically copying
  # all of root! (and, if repositoryDir is empty if we had a failed build!
  # and should not be calling this method, anyway.)
  if [[ -n "${repositoryDir}" && -d "${repositoryDir}" && -n "${siteDirOnBuildMachine}" && -d "${siteDirOnBuildMachine}" ]]
  then
    rsync --times --omit-dir-times --recursive "${repositoryDir}/" "${siteDirOnBuildMachine}/"
    RC=$?
    if [[ $RC != 0 ]]
    then
      echo "ERROR: rsync of repo returned error. RC: $RC"
      echo "       obtained while copying"
      echo "       from ${repositoryDir}"
      echo "       to ${siteDirOnBuildMachine}"
      exit $RC
    fi

  else
    echo "ERROR: Some directory didn't exist for update site copy."
    echo "  repositoryDir: ${repositoryDir}"
    echo "  siteDirOnBuildMachine: ${siteDirOnBuildMachine}"
    exit $RC
  fi

fi

#TODO: the "logic" needs some TLC
# In master, we should not need DO_PATH or DO_REMOVE.
# See patch streams for when/why that might change for patches.
# But we will be sure defined empty by default, since used later in some calls.
DO_PACK=""
DO_REMOVE=""

#DO_PACK="-DdoPack=false"

# In some cases, we do not want to remove "categories", see bug 428099.
#if [[ -n "${PATCH_BUILD}" ]]
#then
#    DO_REMOVE="-DdoNotRemove=true"
#fi

java -Djava.io.tmpdir=$TMP_DIR -jar "$launcherJar" \
  -data ${buildDirectory}/workspace-processArtifacts \
  -application org.eclipse.ant.core.antRunner \
  -v \
  -buildfile "${EBuilderDir}/eclipse/buildScripts/process-artifacts.xml" \
  -DrepositoryDir=${repositoryDir} ${DO_REMOVE} ${DO_PACK} \
  -Dbuildlogs=$logsDirectory/comparatorlogs \
  -DsiteDirOnBuildMachine=$siteDirOnBuildMachine \
  -DcomparatorRepository=$comparatorRepository \
  -Djava.io.tmpdir=$TMP_DIR ${DO_NOT_MIRROR_IN_ASSEMBLY}

RC=$?
if [[ $RC != 0 ]]
then
  echo "ERROR: java invocation to process-artifacts did not return normally: $RC"
  exit $RC
fi


# If doing a "patch build", a "site.xml" is created,
# so a) we'll remove that that, to avoid confusion, and
# b) we must call "process-artifacts again, so this version
# has packgz files. (i.e. Tycho isn't doing it for us).
if [[ -n "${PATCH_BUILD}" ]]
then

  # no longer needed, will remove
#  rm "${siteDirOnBuildMachine}/site.xml"
#  RC=$?
#  if [[ $RC != 0 ]]
#  then
#    echo "ERROR: did not remove 'site.xml' as expected. RC: $RC"
#    #exit $RC
#  fi

  # before we created pack.gz files, we'll create zip file, of archive for
  # DL page ... and those zip files best without pack.gz files, since they
  # are not used if using local zip archive, so are "wasted" there.
  pushd ${siteDirOnBuildMachine}
  zipfile=${PATCH_BUILD}-${BUILD_ID}-repository.zip
  zip -r ${buildDirectory}/${zipfile}  .
  # I guess created after "publish"? The checksums are not created, so we'll just create 
  # them directly. (Note, adding 256, since we will do that for all, in future, so 
  # do not want to forget.
  pushd ${buildDirectory}
  echo [md5] ${zipfile}
  md5sum -b ${zipfile} > checksum/${zipfile}.md5
  echo [sha1] ${zipfile}
  sha1sum -b ${zipfile} > checksum/${zipfile}.sha1
  echo [sha256] ${zipfile}
  sha256sum -b ${zipfile} > checksum/${zipfile}.sha256
  echo [sha512] ${zipfile}
  sha512sum -b ${zipfile} > checksum/${zipfile}.sha512
  popd
  popd

  #    if [[ -n "${PATCH_BUILD}" ]]
  #    then
  #        # nothing to remove for patch builds, for now, and we
  #        # do not want to remove the category we put there intentionally.
  #        DO_REMOVE="-DdoNotRemove=true"
  #        # https://bugs.eclipse.org/bugs/show_bug.cgi?id=427873
  #        # uses 'false' for now.
  #        DO_PACK="-DdoPack=false"
  #    fi
  #
  #    java -Djava.io.tmpdir=$TMP_DIR -jar "$launcherJar" \
    #        -data ${buildDirectory}/workspace-processArtifacts2 \
    #        -application org.eclipse.ant.core.antRunner \
    #        -v \
    #        -buildfile "${EBuilderDir}/eclipse/buildScripts/process-artifacts.xml" \
    #        -DrepositoryDir=${repositoryDir} ${DO_REMOVE} ${DO_PACK} \
    #        -Dbuildlogs=$logsDirectory/comparatorlogs \
    #        -DsiteDirOnBuildMachine=$siteDirOnBuildMachine \
    #        -DcomparatorRepository=$comparatorRepository \
    #        -Djava.io.tmpdir=$TMP_DIR ${DO_NOT_MIRROR_IN_ASSEMBLY}
  #
  #    RC=$?
  #    if [[ $RC != 0 ]]
  #    then
  #        echo "ERROR: java invocation to process-artifacts did not return normally: $RC"
  #        #exit $RC
  #    fi

  # == I do not see a need for this? dw 6/3/2016
  # == BUT, if needed, need to "mkdir" first! 
  # Make composite directly on build machine, for patches only
  # repodir is absolute path to composite repository,
  # complocation is the (relative) child repository (usually direcotry named 'buildId')
  # site parent is "one up" from siteDirOnBuildMachine.
  #siteDirParentOnBuildMachine=$( updateSiteParent "$BUILD_ROOT" "$BUILD_ID" "$STREAM" )
  #java -Djava.io.tmpdir=$TMP_DIR -jar "$launcherJar" \
  #  -data ${buildDirectory}/workspace-makeComposite \
  #  -application org.eclipse.ant.core.antRunner \
  #  -v \
  #  -buildfile "${EBuilderDir}/eclipse/buildScripts/addToComposite.xml" \
  #  -Drepodir=${siteDirParentOnBuildMachine}  \
  #  -Dcomplocation=${BUILD_ID}

  #RC=$?
  #if [[ $RC != 0 ]]
  #then
  #  echo "ERROR: java invocation to process-artifacts did not return normally: $RC"
    #exit $RC
  #fi

fi

exit 0