#!/usr/bin/env sh
#  IBM Confidential
#  OCO Source Materials
#  IBM Business Platform: Cognos Analytics on the Cloud
#  (C) Copyright IBM Corp. 2018
#
#  The source code for this program is not published or otherwise divested of its trade secrets,
#  irrespective of what has been deposited with the U.S. Copyright Office.

# This script provides access to the Globalization Pipeline
set -e

if [ -z "$GPIPE_JAR_REPOSITORY_URL" ]; then
	# fix this by moving to pipeline config
	GPIPE_JAR_REPOSITORY_URL="http://capipeline-nexus.canlab.ibm.com:8081/nexus/repository/master-mvn-dev"
fi

if [ -z "$GPIPE_GIT_REPOSITORY_URL" ]; then
	# fix this by moving to pipeline config
	GPIPE_GIT_REPOSITORY_URL="https://github.ibm.com/api/v3/repos/BusinessAnalytics/gp-helper"
fi

if [ -z "$GPIPE_JAR" ]; then
	GPIPE_JAR="${HOME}/gpipe.jar"
fi

if [ -z "$GPIPE_JAR_VERSION" ]; then
	GPIPE_JAR_VERSION="latest"
fi

GPSCRIPT=$0

function displayUsage() {
	cat << EOF
  updateScript - updates the gpipe script in place. Requires \$GIT_TOKEN or
    \$GIT_API_TOKEN be set.
  updateJar - downloads the latest version of the gpipe jar file to the
    location indicated by \$GPIPE_JAR environment variable. Requires
    \$W3_USERNAME and \$W3_PASSWORD be set.

  Credentials may alternately be set in the netrc file for the hosts
  capipeline-nexus.canlab.ibm.com and github.ibm.com.
EOF
}

function usage() {
	if [ -e $GPIPE_JAR ]; then
		java -cp ${GPIPE_JAR} com.ibm.g11n.pipeline.GPipe help
	fi
	displayUsage
}

function getGPScript() {
	if [ -z "$GIT_API_TOKEN" ]; then
		if [ -z "$GIT_TOKEN" ]; then
			CURL_CREDS="-n"
		else
			CURL_CREDS="-u user:$GIT_TOKEN"
		fi
	else
		CURL_CREDS="-u user:$GIT_API_TOKEN"
	fi
	curl --retry 5 --fail --silent --create-dirs $CURL_CREDS -o ${GPSCRIPT}.tags --show-error --location ${GPIPE_GIT_REPOSITORY_URL}/releases/latest
	TAG=$(grep tag_name ${GPSCRIPT}.tags | cut -d'"' -f4)
	rm -f ${GPSCRIPT}.tags

	echo "Downloading version $TAG of gpipe helper script to $GPSCRIPT"
	curl --retry 5  -o ${GPSCRIPT} $CURL_CREDS --fail --silent --create-dirs --show-error --location -H Accept:application/vnd.github.v4.raw ${GPIPE_GIT_REPOSITORY_URL}/contents/gpipe?ref=${TAG}
	exit 1
}

function getGPJar() {
	if [ ! -e $GPIPE_JAR ]; then
		if [[ -z "$W3_USERNAME" || -z "$W3_PASSWORD" ]]; then
			CURL_CREDS="-n"
		else
			CURL_CREDS="-u $W3_USERNAME:$W3_PASSWORD"
		fi

		if [ "$GPIPE_JAR_VERSION" == "latest" ]; then
			curl --retry 5 -f -s -S -L $CURL_CREDS -o ${GPIPE_JAR}.versions $GPIPE_JAR_REPOSITORY_URL/com/ibm/g11n/pipeline/gp-cli-with-filters/maven-metadata.xml
			GPIPE_JAR_VERSION=$(grep "<version>" ${GPIPE_JAR}.versions | sed -e 's/</ /g' -e 's/>/ /g' | awk '{ print $2 }' | sort -V | tail -1)
			rm -f ${GPIPE_JAR}.versions
		fi

		echo "Downloading version $GPIPE_JAR_VERSION of GPIPE jar with dependencies to $GPIPE_JAR"
		curl --retry 5 -f $CURL_CREDS -L -S --create-dirs --progress-bar -o $GPIPE_JAR $GPIPE_JAR_REPOSITORY_URL/com/ibm/g11n/pipeline/gp-cli-with-filters/${GPIPE_JAR_VERSION}/gp-cli-with-filters-${GPIPE_JAR_VERSION}.jar
	else
		echo "$GPIPE_JAR exists. Download aborted."
	fi
}

if [ "$1" == "" ]
then
	usage
	exit 0
fi

while (( "$#" ))
do
	case "$1" in
		help)
			usage;
			exit 0
			;;
		updateScript)
			getGPScript;
			;;
		updateJar)
			getGPJar;
			;;
		*)
			java -cp ${GPIPE_JAR} com.ibm.g11n.pipeline.GPipe $@
			exit 0
			;;
	esac
	shift
done