.PHONY: install dev start stop restart logs clean help

PID_FILE := .tafa.pid
LOG_FILE := .tafa.log
PORT     := 8000

help: ## Show this help message
	@awk 'BEGIN {FS = ":.*##"; printf "\nUsage: make \033[36m<target>\033[0m\n\nTargets:\n"} \
	/^[a-zA-Z_-]+:.*?##/ { printf "  \033[36m%-12s\033[0m %s\n", $$1, $$2 }' $(MAKEFILE_LIST)

install: ## Install dependencies and set up the virtual environment
	uv sync

dev: ## Start the server in the foreground with live-reload (for development)
	uv run uvicorn main:app --reload --port $(PORT)

start: ## Start the server in the background (logs to .tafa.log)
	@if [ -f $(PID_FILE) ] && kill -0 $$(cat $(PID_FILE)) 2>/dev/null; then \
		echo "Already running (PID $$(cat $(PID_FILE)))"; \
	else \
		nohup .venv/bin/uvicorn main:app --port $(PORT) >> $(LOG_FILE) 2>&1 & \
		echo $$! > $(PID_FILE); \
		echo "Started on http://localhost:$(PORT) (PID $$(cat $(PID_FILE)))"; \
	fi

restart: stop ## Restart the background server

kill: ## Kill any process holding port 8000 (use when Ctrl+C leaves a zombie)
	@lsof -ti :$(PORT) | xargs -r kill -9 && echo "Killed" || echo "Nothing on port $(PORT)"

logs: ## Tail the background server log
	@tail -f $(LOG_FILE)

clean: ## Remove venv, logs, PID file, and local staging directory
	rm -f $(PID_FILE) $(LOG_FILE)
	rm -rf .venv
	rm -rf ~/.tafa/staging