WEBSITE_SRC_DIR=src
WEBSITE_MAN_PAGE="$(WEBSITE_SRC_DIR)/cdist-manual.rst"
WEBSITE_HTML_DIST_DIR=dist/html
WEBSITE_ARCHIVE=cdist-www.tar.gz
WEBSITE_REMOTE_HOST=staticweb.ungleich.ch
WEBSITE_REMOTE_DIR=/home/services/www/nico/www.cdi.st/www/
WEBSITE_MANUALS_DIR="$(WEBSITE_SRC_DIR)/extra/manuals"

CDIST_DIR=../cdist
CDIST_DOCS_DIR="$(CDIST_DIR)/docs"
CDIST_HELPER="$(CDIST_DIR)/bin/build-helper"
CDIST_CHANGELOG_VERSION=$(shell $(CDIST_HELPER) changelog-version)
CDIST_CHANGELOG_FILE="$(CDIST_DOCS_DIR)/changelog"
CDIST_DOCS_HTML_DIST_DIR="$(CDIST_DOCS_DIR)/dist/html"
CDIST_MAKE_VERSION=make -C "$(CDIST_DIR)" version
CDIST_MAKE_HTML=make -C "$(CDIST_DIR)" html
CDIST_CLEAN_HTML=make -C "$(CDIST_DOCS_DIR)/src" clean

SPHINXH=make -C $(WEBSITE_SRC_DIR) html
SPHINXC=make -C $(WEBSITE_SRC_DIR) clean

.PHONY: help
help:
	@echo "Please use \`make <target>' where <target> is one of"
	@echo "  build                       only build static web"
	@echo "  publish                     only publish built web"
	@echo "  release                     update web with latest cdist release and build static web"
	@echo "  release-publish             do release and then publish"
	@echo "  release-no-latest           update web without latest cdist release and build static web"
	@echo "  release-publish-no-latest   do release-no-latest and then publish"
	@echo "  clean                       clean generated files"


################################################################################
# Website
#

# Make cdist html manual.
# Generate rst changelog.
# Create target version manual directory.
# Copy target version manual directory to website.
# Add latest manual page.
# Update latest manual link.
release-prepare:
	$(CDIST_MAKE_VERSION)
	$(CDIST_MAKE_HTML)
	@awk '/^[0-9a-z.]+: [0-9-]+$$/ { print; for(i = 0; i < length; ++i) { printf "~"; }; printf "\n"; next; } { print; }' "$(CDIST_CHANGELOG_FILE)" > "$(WEBSITE_SRC_DIR)/cdist-changelog.rst"
	@mkdir -p "$(WEBSITE_MANUALS_DIR)/$(CDIST_CHANGELOG_VERSION)/"
	@rsync -a "$(CDIST_DOCS_HTML_DIST_DIR)/" "$(WEBSITE_MANUALS_DIR)/$(CDIST_CHANGELOG_VERSION)/"

release-prepare-latest: release-prepare
	@grep '$(CDIST_CHANGELOG_VERSION)' "$(WEBSITE_MAN_PAGE)" || awk 'BEGIN { print_new = 0; } /All versions/ { print; print_new = 1; next; } print_new == 1 { print; print "* `$(CDIST_CHANGELOG_VERSION) <manuals/$(CDIST_CHANGELOG_VERSION)>`_"; print_new = 0; next; } { print; }' "$(WEBSITE_MAN_PAGE)" > "$(WEBSITE_MAN_PAGE)-new" && mv "$(WEBSITE_MAN_PAGE)-new" "$(WEBSITE_MAN_PAGE)" || exit 0

# Build website.
build:
	$(SPHINXH)
	@cd "$(WEBSITE_HTML_DIST_DIR)/manuals" && rm -f latest && ln -s "$(CDIST_CHANGELOG_VERSION)" latest

release: release-prepare-latest build

release-no-latest: release-prepare build

publish:
	@cd "$(WEBSITE_HTML_DIST_DIR)" \
		&& tar -c -z -f "../$(WEBSITE_ARCHIVE)" . \
		&& scp "../$(WEBSITE_ARCHIVE)" "$(WEBSITE_REMOTE_HOST):$(WEBSITE_REMOTE_DIR)" \
		&& rm -f "../$(WEBSITE_ARCHIVE)"
	@ssh "$(WEBSITE_REMOTE_HOST)" "cd $(WEBSITE_REMOTE_DIR) && tar -x -f $(WEBSITE_ARCHIVE) && rm -f $(WEBSITE_ARCHIVE)"

# Publish static website.
# Update latest symlink.
release-publish: release publish
	@ssh "$(WEBSITE_REMOTE_HOST)" "cd '$(WEBSITE_REMOTE_DIR)/manuals' && rm -f latest && ln -s '$(CDIST_CHANGELOG_VERSION)' latest"
 
release-publish-no-latest: release-no-latest publish

clean:
	$(CDIST_CLEAN_HTML)
	$(SPHINXC)