#!/usr/bin/make -f
# export DH_VERBOSE = 1

export ROOT = debian/tmp
export APP_FOLDER = $(ROOT)/usr/local/share/applications/helm

export DEB_VERSION = $(shell dpkg-parsechangelog | egrep '^Version:' | cut -f 2 -d ' ')
export RELEASE = $(shell cat /etc/build.info | grep SW_VERSION | cut -d'"' -f2)
export REVISION = $(shell echo $(DEB_VERSION) | cut -f 4 -d '.')

export APP_NAME = portieris
export APP_VERSION = $(RELEASE)-$(REVISION)
export APP_TARBALL_FLUXCD = $(APP_NAME)-$(APP_VERSION).tgz
export HELM_FOLDER = /usr/lib/helm
export HELM_REPO = stx-platform
export STAGING = staging

%:
	dh $@

override_dh_auto_build:

	# Setup the staging directory.
	mkdir -p $(STAGING)
	cp files/metadata.yaml $(STAGING)
	mkdir -p $(STAGING)/charts
	cp $(HELM_FOLDER)/portieris*.tgz $(STAGING)/charts

	# Prepare staging for fluxcd package
	cp -R fluxcd-manifests $(STAGING)/

	# Adjust the helmrelease yamls based on the chart versions
	for c in $(STAGING)/charts/*; do \
		chart=$$(basename $$c .tgz); \
		chart_name=$${chart%-*}; \
		chart_version=$${chart##*-}; \
		echo "Found $$chart; name: $$chart_name, version: $$chart_version"; \
		chart_manifest=$$(find $(STAGING)/fluxcd-manifests/$$chart_name -name helmrelease.yaml -exec grep -q $$chart_name {} \; -print); \
		echo "Updating manifest: $$chart_manifest"; \
		sed -i "s/REPLACE_HELM_CHART_VERSION/$$chart_version/g" $$chart_manifest; \
		grep version $$chart_manifest; \
	done

	# Populate metadata.
	sed -i 's/APP_REPLACE_NAME/$(APP_NAME)/g' $(STAGING)/metadata.yaml
	sed -i 's/APP_REPLACE_VERSION/$(APP_VERSION)/g' $(STAGING)/metadata.yaml
	sed -i 's/HELM_REPLACE_REPO/$(HELM_REPO)/g' $(STAGING)/metadata.yaml

	# Copy the plugins: installed in the buildroot
	mkdir -p $(STAGING)/plugins
	cp /plugins/*.whl $(STAGING)/plugins

	# calculate checksum of all files in staging for the fluxcd app
	cd $(STAGING) && find . -type f ! -name '*.md5' -print0 | xargs -0 md5sum > checksum.md5
	# package fluxcd app
	tar -zcf $(APP_TARBALL_FLUXCD) -C $(STAGING)/ .

	# Cleanup staging.
	rm -rf $(STAGING)

override_dh_auto_install:
	# Install the app tar file.
	install -d -m 755 $(APP_FOLDER)
	install -p -D -m 755 $(APP_TARBALL_FLUXCD) $(APP_FOLDER)

override_dh_usrlocal: