# Minimal Makefile for Sphinx documentation
SPHINXOPTS    ?=
SPHINXBUILD   ?= sphinx-build
SOURCEDIR     = .
BUILDDIR      = _build

help:
	@$(SPHINXBUILD) -M help "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)

# Compile Notebook files and record execution time
compile:
	@set -e; \
	echo "Starting Notebook compilation..."; \
	mkdir -p logs; \
	echo "Notebook execution timings:" > logs/timing.log; \
	START_TOTAL=$$(date +%s); \
	find $(SOURCEDIR) -path "*/_build/*" -prune -o -name "*.ipynb" -print0 | \
		parallel -0 -j3 --halt soon,fail=1 ' \
		NB_NAME=$$(basename {}); \
		START_TIME=$$(date +%s); \
		jupyter nbconvert --to notebook --execute --inplace "{}" \
			--ExecutePreprocessor.timeout=600 \
			--ExecutePreprocessor.kernel_name=python3; \
		RET_CODE=$$?; \
		END_TIME=$$(date +%s); \
		ELAPSED_TIME=$$((END_TIME - START_TIME)); \
		echo "$${NB_NAME}: $${ELAPSED_TIME}s" >> logs/timing.log; \
		exit $$RET_CODE' || exit 1; \
	END_TOTAL=$$(date +%s); \
	TOTAL_ELAPSED=$$((END_TOTAL - START_TOTAL)); \
	echo "---------------------------------" >> logs/timing.log; \
	echo "Total execution time: $${TOTAL_ELAPSED}s" >> logs/timing.log; \
	echo "All Notebook execution timings:" && cat logs/timing.log


.PHONY: help Makefile compile clean

%: Makefile
	@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)

clean:
	rm -rf $(BUILDDIR)/* logs/timing.log
