EXAMPLE_FOLDER := example
PROJECT_STATIC_FOLDER := static
EXAMPLE_STATIC_FOLDER := $(EXAMPLE_FOLDER)/static
RELEASE_FOLDER := release

EXAMPLE_FILENAME := example
EXAMPLE_BIBLIOGRAPHY_PATH := $(EXAMPLE_FOLDER)/references.bib
CSL_PATH := $(PROJECT_STATIC_FOLDER)/heg-iso-690.csl

GIT_LAST_TAG := $(shell git describe --tags --abbrev=0 2>/dev/null || echo "no-tag")

.PHONY: all
all: pdf

.PHONY: serve
serve:
	python -m http.server

.PHONY: html
html:
	pandoc --to=html --standalone \
	--template=$(PROJECT_STATIC_FOLDER)/template.html \
	--css=../$(PROJECT_STATIC_FOLDER)/style.css \
	-V static='../static' \
	--toc --toc-depth=2 \
	--citeproc --bibliography=$(EXAMPLE_BIBLIOGRAPHY_PATH) --csl=$(CSL_PATH) \
	--out=$(EXAMPLE_FOLDER)/$(EXAMPLE_FILENAME).html \
	$(EXAMPLE_FOLDER)/$(EXAMPLE_FILENAME).md

.PHONY: pdf 
pdf:
	cd $(EXAMPLE_FOLDER); \
	pandoc --to=pdf --pdf-engine=pagedjs-cli --embed-resource \
	--template=../$(PROJECT_STATIC_FOLDER)/template.html \
	--css=../$(PROJECT_STATIC_FOLDER)/style.css \
	-V static='../static' -V noscript=true \
	--toc --toc-depth=2 \
	--citeproc --csl=../$(CSL_PATH) \
	--out=$(EXAMPLE_FILENAME).pdf \
	$(EXAMPLE_FILENAME).md

.PHONY: watch
watch:
	watchexec -r -w . -i $(EXAMPLE_FOLDER)/$(EXAMPLE_FILENAME).html \
	-- make html

.PHONY: release
release:
	zip -r $(RELEASE_FOLDER)/$(GIT_LAST_TAG).zip static
	make
	cp $(EXAMPLE_FOLDER)/$(EXAMPLE_FILENAME).pdf $(RELEASE_FOLDER)/$(GIT_LAST_TAG).pdf

.PHONY: clean
	rm -f $(RELEASE_FOLDER)/*.*