# api/utils/startup.py
import sys
from pathlib import Path
sys.path.insert(0, str(Path(__file__).parent.parent.parent))

import asyncio
from contextlib import asynccontextmanager
from fastapi import FastAPI
from core.system_initializer import setup_system
from api.config import settings, logger


async def initialize_system():
    """Initialize the legal assistant system"""
    try:
        system = await setup_system()
        settings.chat_manager = system["chat_manager"]
        settings.graph = system["graph"]
        settings.system_initialized = True
        logger.info("✅ Legal assistant system initialized")
    except Exception as e:
        logger.error(f"❌ Failed to initialize system: {e}")
        settings.system_initialized = False


@asynccontextmanager
async def lifespan(app: FastAPI):
    """Application lifespan manager"""
    logger.info("🚀 Starting Legal Assistant API...")
    initialization_task = asyncio.create_task(initialize_system())
    yield
    logger.info("🛑 Shutting down...")
    initialization_task.cancel()
    try:
        await initialization_task
    except asyncio.CancelledError:
        pass