export PATH:=/usr/local/texlive/2015/bin/x86_64-linux:$(PATH)

OUTPUT:=build
DOC:=$(wildcard *.tex)
DOCTYPE:=$(shell echo $(DOC) | cut -c1-3)
FIGURES:=$(wildcard figures/*)
PDF:=$(OUTPUT)/$(subst .tex,.pdf,$(DOC))
DEPS:=$(wildcard */*.tex)
DEPS+=$(wildcard */*/*.tex)
PDFLATEX_FLAGS:=--output-directory=$(OUTPUT) --shell-escape --file-line-error

all: $(PDF)

$(PDF): $(DOC) $(DEPS) $(FIGURES) $(OUTPUT)
	@echo "  [GEN] pdflatex $<"
	@pdflatex $(PDFLATEX_FLAGS) -interaction=batchmode   $< >  $(OUTPUT)/pdflatex.log
	@pdflatex $(PDFLATEX_FLAGS) -interaction=batchmode   $< >> $(OUTPUT)/pdflatex.log
	@pdflatex $(PDFLATEX_FLAGS) -interaction=nonstopmode $< >> $(OUTPUT)/pdflatex.log

copy: $(PDF)
	@echo "  [COPY] $^ -> /mnt/copydrive/$(USER)"
	@mkdir -p /mnt/copydrive/$(USER)
	@cp $^ /mnt/copydrive/$(USER)

check: $(DOC) $(DEPS)
	@echo "  [CHECK] lacheck"
	@lacheck $<

# Populate PWD folders to build folder because pdflatex not creates itself
$(OUTPUT):
	@mkdir -p $@
	@rsync -a -f "+ */" -f "- *" ./ $(OUTPUT)/

clean:
	@echo "  [CLEAN]"
	@rm -rf release
	@rm -rf $(OUTPUT)
	@rm -rf *.pdf *.log *.lof *.lot *.lol *.aux *.toc *.bbl *.blg *.out
	@rm -rf contents/*.aux
	@rm -rf appendix/*.aux

RELEASE_ZIPFILE=$(basename $(DOC)).zip
release: build/release
build/release: $(BUILD) $(PDF) copy
	@echo "  [GEN] Git tag $(VERSION)"
	@git tag -a "$(VERSION)" -m "New release $(VERSION)"
	@mkdir -p $@
	@echo "  [GEN] $(RELEASE_ZIPFILE)"
	@git archive --format zip --output $@/$(RELEASE_ZIPFILE) master
	@echo "  [GEN] Git push tag $(VERSION)"
	@git push origin "$(VERSION)"
	@echo "  [COPY] $@/$(RELEASE_ZIPFILE) /mnt/copydrive/$(USER)"
	@cp $@/$(RELEASE_ZIPFILE) /mnt/copydrive/$(USER)

.PHONY: all copy clean