#!/usr/bin/env bash

# this localBuildProperties.shsource file is to ease local builds to override some variables.
# It should not be used for production builds.
source localBuildProperties.shsource 2>/dev/null
export BUILD_HOME=${BUILD_HOME:-/shared/eclipse/builds}

# Small utility to start unit tests (or re-run them) after a build
# and after upload to downloads server is complete.

# need to be running Java 6 and Ant 1.8 for <script> to work in invokeTestsJSON
# and, default on current build system is Ant 1.7 ... so ...
export ANT_HOME=/shared/common/apache-ant-1.9.6

function usage ()
{
  printf "\t\t%s\n" "usage: "
  printf "\t\t%s\n" "$( basename $0 ) eclipseStream buildId"
  printf "\t\t\t%s\n" "where "
  printf "\t\t\t%s\n" "eclipseStream == 4.3.0, 3.8.2, etc. "
  printf "\t\t\t%s\n" "buildId == M20120705-1200, IM20121005-0800, etc. "
  printf "\t\t\t\t%s\n" "or, provide those parameters in buildParams.shshource on search path"
}

# compute main (left part) of download site
function dlpath()
{
  eclipseStream=$1
  if [[ -z "${eclipseStream}" ]]
  then
    printf "\n\n\t%s\n\n" "ERROR: Must provide eclipseStream as first argument, for this function $(basename $0)"
    return 1;
  fi


  buildId=$2
  if [[ -z "${buildId}" ]]
  then
    printf "\n\n\t%s\n\n" "ERROR: Must provide buildId as second argument, for this function $(basename $0)"
    return 1;
  fi

  eclipseStreamMajor=${eclipseStream:0:1}
  buildType=${buildId:0:1}

  pathToDL=eclipse/downloads/drops
  if (( $eclipseStreamMajor > 3 ))
  then
    pathToDL=$pathToDL$eclipseStreamMajor
  fi

  echo $pathToDL
}


# This file, buildParams.shsource, normally does not exist on build system,
# but can be provided if running "by hand" as an easy way to provide the
# parameters required. For example, the contents might be
# eclipseStream=4.2.1
# buildId=M20120705-1200
#
source buildParams.shsource 2>/dev/null

# can provide eclipseStream and buildId as first two args to this script
# which is how invoke from "promote script"
eclipseStream=${eclipseStream:-${1}}
buildId=${buildId:-${2}}
EBUILDER_HASH=${EBUILDER_HASH:-${3}}

if [[ -z ${eclipseStream} || -z ${buildId} ]]
then
  printf "\n\t%s\n" "ERROR: missing required parameters."
  usage
  exit 1
fi

if [[ -z "${EBUILDER_HASH}" ]]
then
  EBUILDER_HASH=master
fi

# contrary to intuition (and previous behavior, bash 3.1) do NOT use quotes around right side of expression.
if [[ "${eclipseStream}" =~ ^([[:digit:]]+)\.([[:digit:]]+)\.([[:digit:]]+)$ ]]
then
  eclipseStreamMajor=${BASH_REMATCH[1]}
  eclipseStreamMinor=${BASH_REMATCH[2]}
  eclipseStreamService=${BASH_REMATCH[3]}
else
  printf "\n\t%s\n" "ERROR: eclipseStream, $eclipseStream, must contain major, minor, and service versions."
  usage
  exit 1
fi

if [[ "${buildId}" =~ ([MNIXYPU]+)([[:digit:]]*)\-([[:digit:]]*) ]]
then
  # old, simpler way, if we don't do regex and input checking
  #buildType=${buildId:0:1}
  buildType=${BASH_REMATCH[1]}
else
  printf "\n\t%s\n" "ERROR: buildId, $buildId, did not match expected pattern."
  usage
  exit 1
fi


echo "values in ${0}"
echo "eclipseStream: $eclipseStream"
echo "eclipseStreamMajor: $eclipseStreamMajor"
echo "eclipseStreamMinor: $eclipseStreamMinor"
echo "eclipseStreamService: $eclipseStreamService"
echo "buildType: $buildType"
echo "buildId: $buildId"
echo "EBUILDER_HASH: $EBUILDER_HASH"
echo "BUILD_HOME: ${BUILD_HOME}"

  buildRoot=${BUILD_HOME}/${eclipseStreamMajor}${buildType}
  eclipsebuilder=eclipse.platform.releng.aggregator/production/testScripts
  dlPath=$( dlpath $eclipseStream $buildId )
  echo "DEBUG dlPath: $dlPath"
  buildDropDir=${buildRoot}/siteDir/$dlPath/${buildId}
  echo "DEBGUG buildDropDir: $buildDropDir"
  builderDropDir=${buildDropDir}/${eclipsebuilder}
  echo "DEBUG: builderDropDir: ${builderDropDir}"

echo "DEBUG: invoking test scripts on Hudson"

HUDSON_TOKEN=windows2012tests ant \
  -DpostingDirectory=${buildDropDir} \
  -DbuildId=${buildId} \
  -DeclipseStream=${eclipseStream} \
  -DEBUILDER_HASH=${EBUILDER_HASH} \
  -f ${builderDropDir}/invokeTestsJSON.xml