.PHONY: build deploy sign download-model convert-images pdf-thumbs pdfs watch clean dev

# Source .env for GITHUB_TOKEN and GITHUB_REPO if it exists.
# .env format: KEY=value (one per line, no `export` prefix, no quotes needed).
-include .env
export

build:
	# Auto-snapshot any uncommitted content/ changes BEFORE the build
	# so the stability heuristic in build/Stability.hs sees a stable
	# git history. If a subsequent step fails, the snapshot remains in
	# the history — that's intentional. The next successful build
	# either reuses it (no new content/ changes) or appends another
	# snapshot on top, so failures don't disappear from the log.
	@git add content/
	@git diff --cached --quiet || git commit -m "auto: $$(date -u +%Y-%m-%dT%H:%M:%SZ)"
	@date +%s > data/build-start.txt
	@./tools/convert-images.sh
	@$(MAKE) -s pdf-thumbs
	cabal run site -- build
	pagefind --site _site
	@if [ -d .venv ]; then \
	  uv run python tools/embed.py || echo "Warning: embedding failed — data/similar-links.json not updated (build continues)"; \
	else \
	  echo "Embedding skipped: run 'uv sync' to enable similar-links (build continues)"; \
	fi
	> IGNORE.txt
	@BUILD_END=$$(date +%s); \
	 BUILD_START=$$(cat data/build-start.txt); \
	 echo $$((BUILD_END - BUILD_START)) > data/last-build-seconds.txt

sign:
	@./tools/sign-site.sh

# Download the quantized ONNX model for client-side semantic search.
# Run once; files are gitignored. Safe to re-run (skips existing files).
download-model:
	@./tools/download-model.sh

# Convert JPEG/PNG images to WebP companions (also runs automatically in build).
# Requires cwebp: pacman -S libwebp  /  apt install webp
convert-images:
	@./tools/convert-images.sh

# Generate first-page thumbnails for PDFs in static/papers/ (also runs in build).
# Requires pdftoppm: pacman -S poppler  /  apt install poppler-utils
# Thumbnails are written as static/papers/foo.thumb.png alongside each PDF.
# Skipped silently when pdftoppm is not installed or static/papers/ is empty.
pdf-thumbs:
	@if command -v pdftoppm >/dev/null 2>&1; then \
	  find static/papers -name '*.pdf' 2>/dev/null | while read pdf; do \
	    thumb="$${pdf%.pdf}.thumb"; \
	    if [ ! -f "$${thumb}.png" ] || [ "$$pdf" -nt "$${thumb}.png" ]; then \
	      echo "  pdf-thumb $$pdf"; \
	      pdftoppm -r 100 -f 1 -l 1 -png -singlefile "$$pdf" "$$thumb"; \
	    fi; \
	  done; \
	else \
	  echo "pdf-thumbs: pdftoppm not found — install poppler (skipping)"; \
	fi

# Rebuild the CV + website résumé from yaml-source/ and refresh static/.
# Standalone helper — NOT a dependency of `build` or `deploy`. Run manually
# after editing a YAML under yaml-source/data/. The site build copies
# static/*.pdf through unchanged, so a subsequent `make build` picks them up.
#
# The ATS variant (yaml-source/output/resume_ats.pdf) is intentionally not
# copied to static/ — it's a submission artifact, not a website asset. To
# regenerate it too, run `make -C yaml-source ats` directly.
#
# Silently skipped on hosts without the pipeline (e.g., the VPS): yaml-source/
# is gitignored, so it's absent on a fresh clone, and that's the expected
# state wherever the LaTeX toolchain isn't installed.
pdfs:
	@if [ ! -d yaml-source ]; then \
	  echo "pdfs: yaml-source/ not present — skipping (pipeline is local-only)"; \
	  exit 0; \
	fi
	@$(MAKE) -C yaml-source all
	@cp yaml-source/output/cv.pdf static/cv.pdf
	@cp yaml-source/output/resume.pdf static/resume.pdf
	@echo "pdfs: static/cv.pdf and static/resume.pdf refreshed."

deploy: clean build sign
	@test -n "$(VPS_USER)" || (echo "deploy: VPS_USER not set in .env" >&2; exit 1)
	@test -n "$(VPS_HOST)" || (echo "deploy: VPS_HOST not set in .env" >&2; exit 1)
	@test -n "$(VPS_PATH)" || (echo "deploy: VPS_PATH not set in .env" >&2; exit 1)
	@command -v notify-send >/dev/null 2>&1 && notify-send "make deploy" "Ready to rsync — waiting for SSH auth" || true
	rsync -avz --delete _site/ $(VPS_USER)@$(VPS_HOST):$(VPS_PATH)/
	git push -u origin main

watch: export SITE_ENV = dev
watch:
	cabal run site -- watch

clean:
	cabal run site -- clean

# Dev build includes any in-progress drafts under content/drafts/essays/.
# SITE_ENV=dev is read by build/Site.hs; drafts are otherwise invisible to
# every build (make build / make deploy / cabal run site -- build directly).
dev: export SITE_ENV = dev
dev:
	cabal run site -- clean
	cabal run site -- build
	python3 -m http.server 8000 --directory _site