#!/bin/bash

# Prevent running assemble in builders different than official STI image.
# The official nodejs:8-onbuild already run npm install and use different
# application folder.
[ -d "/usr/src/app" ] && exit 0

set -e

# FIXME: Linking of global modules is disabled for now as it causes npm failures
#        under RHEL7
# Global modules good to have
# npmgl=$(grep "^\s*[^#\s]" ../etc/npm_global_module_list | sort -u)
# Available global modules; only match top-level npm packages
#global_modules=$(npm ls -g 2> /dev/null | perl -ne 'print "$1\n" if /^\S+\s(\S+)\@[\d\.-]+/' | sort -u)
# List all modules in common
#module_list=$(/usr/bin/comm -12 <(echo "${global_modules}") | tr '\n' ' ')
# Link the modules
#npm link $module_list

safeLogging () {
    if [[ $1 =~ http[s]?://.*@.*$ ]]; then
        echo $1 | sed 's/^.*@/redacted@/'
    else
        echo $1
    fi
}

shopt -s dotglob
if [ -d /tmp/artifacts ] && [ "$(ls /tmp/artifacts/ 2>/dev/null)" ]; then
    echo "---> Restoring previous build artifacts ..."
    mv -T --verbose /tmp/artifacts/node_modules "${HOME}/node_modules"
fi

echo "---> Installing application source ..."
mv /tmp/src/* ./

# Fix source directory permissions
fix-permissions ./

if [ ! -z $HTTP_PROXY ]; then
    echo "---> Setting npm http proxy to" $(safeLogging $HTTP_PROXY)
	npm config set proxy $HTTP_PROXY
fi

if [ ! -z $http_proxy ]; then
    echo "---> Setting npm http proxy to" $(safeLogging $http_proxy)
	npm config set proxy $http_proxy
fi

if [ ! -z $HTTPS_PROXY ]; then
    echo "---> Setting npm https proxy to" $(safeLogging $HTTPS_PROXY)
	npm config set https-proxy $HTTPS_PROXY
fi

if [ ! -z $https_proxy ]; then
    echo "---> Setting npm https proxy to" $(safeLogging $https_proxy)
	npm config set https-proxy $https_proxy
fi

# Change the npm registry mirror if provided
if [ -n "$NPM_MIRROR" ]; then
	npm config set registry $NPM_MIRROR
fi

# Set the DEV_MODE to false by default.
if [ -z "$DEV_MODE" ]; then
  export DEV_MODE=false
fi

# TODO: Add nodejs-nodemon into Fedora
# https://bugzilla.redhat.com/show_bug.cgi?id=1433784
# meanwhile install it during s2i assemble step
if [ "$(source /etc/os-release ; echo $NAME)" == "Fedora" ] ; then
  NPM_CONFIG_PREFIX=$HOME/../ npm install -g nodemon && \
  rm $(npm config get cache)/* -rf && \
  rm -rf $(npm config get tmp)/npm-*
fi

# If NODE_ENV is not set by the user, then NODE_ENV is determined by whether
# the container is run in development mode.
if [ -z "$NODE_ENV" ]; then
  if [ "$DEV_MODE" == true ]; then
    export NODE_ENV=development
  else
    export NODE_ENV=production
  fi
fi

if [ "$NODE_ENV" != "production" ]; then

	echo "---> Building your Node application from source"
	npm install

else

	echo "---> Installing all dependencies"
	NODE_ENV=development npm install

	#do not fail when there is no build script
	echo "---> Building in production mode"
	npm run build --if-present

	echo "---> Pruning the development dependencies"
	npm prune

	# Clear the npm's cache and tmp directories only if they are not a docker volumes
	NPM_CACHE=$(npm config get cache)
	if ! mountpoint $NPM_CACHE; then
		echo "---> Cleaning the npm cache $NPM_CACHE"
		#As of npm@5 even the 'npm cache clean --force' does not fully remove the cache directory
		# instead of $NPM_CACHE* use $NPM_CACHE/*.
		# We do not want to delete .npmrc file.
		rm -rf "${NPM_CACHE:?}/"
	fi
	NPM_TMP=$(npm config get tmp)
	if ! mountpoint $NPM_TMP; then
		echo "---> Cleaning the $NPM_TMP/npm-*"
		rm -rf $NPM_TMP/npm-*
	fi

fi

# Fix source directory permissions
fix-permissions ./