NAME = document

TEX = $(NAME).tex
SRC = $(TEX)
PDF = $(TEX:.tex=.pdf)

TEXMK = latexmk -shell-escape -lualatex -interaction=nonstopmode
QPDF  = qpdf --linearize --replace-input
MKDIR = mkdir -p
ECHO  = echo
CD    = cd
MV    = mv

REPORT_DIR = report
IMG_DIR    = imgs


all: $(PDF)

$(PDF): %.pdf: %.tex
ifneq ($(wildcard $(IMG_DIR)/.*),)
	$(TEXMK) $<
	@$(QPDF) $@ 2>/dev/null |:
else
# Generate SVG if no imgs/ directory found
	@$(MAKE) generate_svg
	@$(MAKE) $@
endif


EXTS = aux fdb_latexmk fls log nav out snm synctex.gz toc
clean:
	rm -rf $(PDF) _minted-$(NAME)/ $(IMG_DIR)/ \
	  $(foreach ext,$(EXTS),$(NAME).$(ext))

generate_svg:
	@$(MKDIR) $(IMG_DIR)
# List of Lsystem to generate as pair `name,n`, space separated
	@$(CD) ..; $(MAKE) -s generation; \
	for pair in \
	 snow,5 koch,2 koch1,2 koch2,3 koch3,3 koch3,3 koch5,4 dragon,12 sierp,7 \
	 gosp6,4 gosp4,2 br1,3 br2,3 br3,3 htree,11                              \
	                                                                         \
	 star,7 moore,3 peano,3 koch8,6                                          \
	                                                                         \
	 pyramid,3 levey,10 carpet,4 square,4 pentaplexy,3 triangles,3 blocks,2  \
	 pentl,3; do                                                             \
	  IFS=',' read -r nom n <<< "$$pair";                                    \
	  $(MAKE) -s NOCHECK=1 tortue nom=$$nom n=$$n;                           \
	  $(MAKE) -s NOCHECK=1 traceur; $(MAKE) -s svg;                          \
	  $(MV) image.svg $(REPORT_DIR)/$(IMG_DIR)/$$nom.svg;                    \
		$(ECHO) "'$$nom' generated with $$n iterations.";                      \
	done