# --- STAT 571 course notes build system ---
# Default engine: lualatex (better Unicode + system-font support).
# Override with `make ENGINE=pdflatex` if needed.
ENGINE   ?= lualatex
MAIN      = main
LECTURES := $(wildcard lectures/*.tex)
PDF1      = ../lec1-4.pdf
PDF2      = ../lecs5-13.pdf
PYTHON   ?= python3

.PHONY: all clean distclean watch view mathpix split help

help:
	@echo "make            -- build $(MAIN).pdf"
	@echo "make watch      -- continuous build via latexmk -pvc"
	@echo "make view       -- open the built PDF"
	@echo "make mathpix    -- submit handwritten PDFs to Mathpix and pull raw LaTeX"
	@echo "make split      -- split Mathpix raw output into per-lecture chunks"
	@echo "make clean      -- remove aux files"
	@echo "make distclean  -- remove aux files and the built PDF"

all: $(MAIN).pdf

$(MAIN).pdf: $(MAIN).tex preamble.sty $(LECTURES)
	latexmk -$(ENGINE) -interaction=nonstopmode -halt-on-error $(MAIN).tex

watch:
	latexmk -$(ENGINE) -pvc -interaction=nonstopmode $(MAIN).tex

view: $(MAIN).pdf
	open $(MAIN).pdf

mathpix:
	$(PYTHON) scripts/mathpix_extract.py --pdf $(PDF1) --pdf $(PDF2) --out raw

split:
	$(PYTHON) scripts/split_lectures.py --raw raw --out raw/per-lecture

clean:
	-latexmk -c
	rm -f *.aux *.log *.out *.toc *.fls *.fdb_latexmk *.synctex.gz lectures/*.aux

distclean: clean
	-latexmk -C
	rm -f $(MAIN).pdf