.PHONY: all build preview print ebook clean cleanall setup

# Vars
SRC     := ${PWD}
OUT     := ${PWD}/build
SCRIPTS := ${PWD}/scripts

# Commands
LATEXMK := $(or $(shell command -v latexmk),latexmk)
LATEXMK_FLAGS := -pdf
#LATEXMK_FLAGS += -silent
#LATEXMK_FLAGS += -view=none
LATEXMK_FLAGS += -auxdir=${OUT}
LATEXMK_FLAGS += -outdir=${OUT}
LATEXMK_FLAGS += -pdflatex="pdflatex -file-line-error --shell-escape %O %S"
# LATEXMK_FLAGS += -e '$$makeindex=q/sh -c "cd `dirname "%D"`" ; makeindex %O -o "`basename "%D"`" "`basename "%S"`";/'

DIST := $(shell lsb_release -si)
PLATFORM := $(shell uname)

all: build

setup:
	@echo "Current Platform: $(PLATFORM)"
	@echo "Current Distribution: $(DIST)"
ifeq  ($(PLATFORM),Linux)
ifeq ($(DIST),$(shell echo -n "${DIST}" | grep "Ubuntu\|Debian\|Kali"))
	@sudo apt install texlive-latex-base texlive-lang-portuguese texlive-lang-english biber texlive-latex-extra texlive-science python3-pygments python3-proselint pandoc imagemagick latexmk ghostscript lacheck chktex
else
	@echo "Distribution not supported. Currently we support setup for: Ubuntu, Debian and Kali"
endif
else
	@echo "Platform not supported. Currently we support setup for: Linux"
endif

build: 
	@echo "Building the document"
	@mkdir -p "${OUT}/chapters"
	cd "${OUT}" ; "${LATEXMK}" ${LATEXMK_FLAGS} -cd "${SRC}/cover.tex" "${SRC}/matter.tex"

preview: build
	@echo "Creating a preview PDF"
	("${LATEXMK}" ${LATEXMK_FLAGS} -pvc -cd "${SRC}/cover.tex" & "${LATEXMK}" ${LATEXMK_FLAGS} -pvc -cd "${SRC}/matter.tex")

print: build
	@echo "Creating print PDF"
	gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/printer -dNOPAUSE -dQUIET -dBATCH -sOutputFile="${OUT}/thesis-print.pdf" "${OUT}/matter.pdf"
	"${SCRIPTS}/simplify-colors.sh" "${OUT}/thesis-print.pdf"

ebook: build
	@echo "Creating ebook PDF"
	gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/ebook -dNOPAUSE -dQUIET -dBATCH -sOutputFile="${OUT}/thesis-ebook.pdf" "${OUT}/matter.pdf"

clean: 
	@echo "Deleting all files except PDFs in the build directory"
	@find "${OUT}" -type f ! \( -name '*.pdf' -o -name '.gitkeep' \) -delete
	@find "${OUT}"/* -empty -type d -delete

clean_aux:
	@echo "Deleting AUX files in the build directory"
	@find "${OUT}" -type f -name '*.aux' -delete

cleanall: 
	@echo "Deleting all files in the build directory"
	@rm -rf "${OUT}/*" 

lint:
ifeq ($(strip $(texfile)),)
	+@for f in `ls -v chapters/*.tex`; do  \
		echo "* $$f";  \
		make --no-print-directory lint texfile="$$f";  \
	done
else
	@lacheck "$(texfile)"
	@chktex -q --verbosity=3 "$(texfile)"
	$(eval txtfile := $(shell echo "$(OUT)/`basename "$(texfile)" .tex`.txt"))
	@pandoc -s "$(texfile)" -o "$(txtfile)"
	@proselint "$(txtfile)" || true
endif