# PID file location
PID_FILE := /tmp/mcpgateway.pid
SERVE_PORT := 4444

serve: serve-check
	@echo "🚀 Starting MCP Gateway on port $(SERVE_PORT)..."
	@./run-gunicorn.sh & echo $$! > $(PID_FILE)
	@echo "✅ Started with PID: $$(cat $(PID_FILE))"

serve-check:
	@# Check if PID file exists and process is running
	@if [ -f $(PID_FILE) ] && kill -0 $$(cat $(PID_FILE)) 2>/dev/null; then \
		echo "❌ MCP Gateway already running (PID: $$(cat $(PID_FILE)))"; \
		echo "💡 Options:"; \
		echo "   • Stop it first: make serve-stop"; \
		echo "   • Or use: make serve-restart"; \
		exit 1; \
	fi
	@# Check if port is in use
	@if lsof -Pi :$(SERVE_PORT) -sTCP:LISTEN -t >/dev/null 2>&1; then \
		echo "❌ Port $(SERVE_PORT) is already in use"; \
		echo "💡 Another process is using this port. Check with:"; \
		echo "   lsof -i :$(SERVE_PORT)"; \
		exit 1; \
	fi
	@# Clean up stale PID file
	@rm -f $(PID_FILE)

serve-stop:
	@if [ -f $(PID_FILE) ]; then \
		if kill -0 $$(cat $(PID_FILE)) 2>/dev/null; then \
			echo "🛑 Stopping MCP Gateway (PID: $$(cat $(PID_FILE)))..."; \
			kill $$(cat $(PID_FILE)); \
			sleep 2; \
			if kill -0 $$(cat $(PID_FILE)) 2>/dev/null; then \
				echo "⚠️  Process still running, force killing..."; \
				kill -9 $$(cat $(PID_FILE)); \
			fi; \
			rm -f $(PID_FILE); \
			echo "✅ Stopped"; \
		else \
			echo "⚠️  PID file exists but process not running"; \
			rm -f $(PID_FILE); \
		fi; \
	else \
		echo "❌ No PID file found. Is the server running?"; \
		echo "💡 Check running processes: ps aux | grep gunicorn"; \
	fi

serve-restart: serve-stop serve
	@echo "✅ MCP Gateway restarted"

serve-status:
	@if [ -f $(PID_FILE) ] && kill -0 $$(cat $(PID_FILE)) 2>/dev/null; then \
		echo "✅ MCP Gateway is running"; \
		echo "   PID: $$(cat $(PID_FILE))"; \
		echo "   Port: $(SERVE_PORT)"; \
		echo "   Uptime: $$(ps -o etime= -p $$(cat $(PID_FILE)) | xargs)"; \
	else \
		echo "❌ MCP Gateway is not running"; \
		if lsof -Pi :$(SERVE_PORT) -sTCP:LISTEN -t >/dev/null 2>&1; then \
			echo "⚠️  But something else is using port $(SERVE_PORT)"; \
			lsof -i :$(SERVE_PORT); \
		fi; \
	fi

LOCK_DIR := /tmp/mcpgateway.lock

serve:
	@mkdir $(LOCK_DIR) 2>/dev/null || { \
		echo "❌ MCP Gateway appears to be running (lock exists)"; \
		echo "💡 If this is incorrect, run: make serve-force-unlock"; \
		exit 1; \
	}
	@trap 'rmdir $(LOCK_DIR) 2>/dev/null' EXIT; \
		./run-gunicorn.sh

serve:
	@PORT=$$(python3 -c "import socket; s=socket.socket(); s.bind(('',0)); print(s.getsockname()[1]); s.close()"); \
	echo "🚀 Starting on port $$PORT..."; \
	PORT=$$PORT ./run-gunicorn.sh

serve:
	@# ... start server ...
	@echo "⏳ Waiting for server to be ready..."
	@for i in 1 2 3 4 5; do \
		curl -s http://localhost:$(SERVE_PORT)/health >/dev/null && break || sleep 1; \
	done
	@curl -s http://localhost:$(SERVE_PORT)/health >/dev/null && \
		echo "✅ Server is healthy" || echo "⚠️  Server started but health check failed"