.PHONY: all clean norm author author-stop author-restart author-status help

VENV := .venv
PY := $(VENV)/bin/python
PIP := $(VENV)/bin/pip
PERM_DIR := /home/zaine/master-folder/projects/scripts/bash-scripts

AUTHOR_PORT := 8765
AUTHOR_URL := http://127.0.0.1:$(AUTHOR_PORT)
AUTHOR_PID := /home/zaine/logs/authoring-server.pid
AUTHOR_LOG := /home/zaine/logs/authoring-server.log
AUTHOR_PAGES_CHECK := /tmp/authoring-server-pages.json

all: set-perms clean-output build search clean-venv author-restart

build:
	@echo "Building project..."
	emacs -Q --script build-site.el

set-perms:
	@echo "Setting permissions for output directory..."
	cd $(PERM_DIR) && sudo ./master-perms.sh

search: $(VENV)
	@echo "Generating search index"
	$(PY) search-index-json.py

$(VENV):
	@echo "Generating virtual environment"
	python3 -m venv $(VENV)
	$(PIP) install -r requirements.txt

clean-output:
	@echo "Cleaning output directory..."
	rm -rf output/

clean-venv:
	@echo "Cleaning virtual environment..."
	rm -rf $(VENV)

norm:
	@echo "sorting out the backups..."
	find . -path ./backups -prune -o -type f -name '*~' -exec mv {} backups/ \;

author: $(VENV)
	@echo "Starting local authoring UI in foreground..."
	$(PY) authoring_server.py

author-stop:
	@echo "Stopping existing authoring UI if running..."
	@mkdir -p /home/zaine/logs
	@if [ -f "$(AUTHOR_PID)" ]; then \
		PID=$$(cat "$(AUTHOR_PID)"); \
		if kill -0 $$PID 2>/dev/null; then \
			echo "Stopping PID $$PID"; \
			kill $$PID 2>/dev/null || true; \
			for i in 1 2 3 4 5; do \
				if ! kill -0 $$PID 2>/dev/null; then break; fi; \
				sleep 1; \
			done; \
			if kill -0 $$PID 2>/dev/null; then \
				echo "PID $$PID did not stop cleanly; killing it."; \
				kill -9 $$PID 2>/dev/null || true; \
			fi; \
		fi; \
		rm -f "$(AUTHOR_PID)"; \
	fi
	@fuser -k $(AUTHOR_PORT)/tcp >/dev/null 2>&1 || true

author-restart: $(VENV) author-stop
	@echo "Starting authoring UI on port $(AUTHOR_PORT)..."
	@mkdir -p /home/zaine/logs
	@start-stop-daemon --start --background --make-pidfile --pidfile "$(AUTHOR_PID)" \
		--chdir "$(CURDIR)" --startas "$(CURDIR)/$(PY)" -- \
		authoring_server.py > "$(AUTHOR_LOG)" 2>&1
	@echo "Waiting for authoring UI and page list to respond..."
	@for i in 1 2 3 4 5 6 7 8 9 10; do \
		PID=$$(cat "$(AUTHOR_PID)"); \
		if ! kill -0 $$PID 2>/dev/null; then \
			echo "Authoring UI process exited before becoming healthy. Last logs:"; \
			tail -n 40 "$(AUTHOR_LOG)" || true; \
			exit 1; \
		fi; \
		if curl -fsS "$(AUTHOR_URL)/api/pages" -o "$(AUTHOR_PAGES_CHECK)" && $(PY) -c 'import json,sys; data=json.load(sys.stdin); sys.exit(0 if isinstance(data, list) and data else 1)' < "$(AUTHOR_PAGES_CHECK)"; then \
			echo "Authoring UI is running on $(AUTHOR_URL)/"; \
			exit 0; \
		fi; \
		sleep 1; \
	done; \
	echo "Authoring UI failed to start. Last logs:"; \
	tail -n 40 "$(AUTHOR_LOG)" || true; \
	exit 1

author-status:
	@if [ -f "$(AUTHOR_PID)" ] && kill -0 $$(cat "$(AUTHOR_PID)") 2>/dev/null; then \
		echo "PID: $$(cat "$(AUTHOR_PID)")"; \
	else \
		echo "No live authoring UI PID recorded."; \
	fi
	@curl -fsS "$(AUTHOR_URL)/api/pages" -o "$(AUTHOR_PAGES_CHECK)" && $(PY) -c 'import json,sys; print(f"Pages: {len(json.load(sys.stdin))}")' < "$(AUTHOR_PAGES_CHECK)" || true

help:
	@echo "Available targets:"
	@echo "  make                 - Full rebuild and restart authoring UI"
	@echo "  make build           - Rebuild the output directory"
	@echo "  make set-perms       - Set permissions for output directory"
	@echo "  make clean-output    - Remove output directory"
	@echo "  make clean-venv      - Remove venv directory"
	@echo "  make norm            - Move backup files"
	@echo "  make author          - Start the local authoring UI in foreground"
	@echo "  make author-stop     - Stop the authoring UI"
	@echo "  make author-restart  - Restart the authoring UI in background"
	@echo "  make author-status   - Show authoring UI PID and page count"
	@echo "  make search          - Create the search index"
	@echo "  make help            - Show this help message"