from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from contextlib import asynccontextmanager
import logging
from app.database import engine, Base
from app.routers import events


logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)

@asynccontextmanager
async def lifespan(app: FastAPI):
    logger.info("Application is starting up...")
    try:
        logger.info("Creating database tables...")
        Base.metadata.create_all(bind=engine)
        logger.info("✓ Database tables created.")
    except Exception as e:
        logger.error(f"Failed to create database tables: {e}")
    yield
    logger.info("Application is shutting down...")

app = FastAPI(
    title="Locate the News API",
    description="Global news mapping with sentiment analysis",
    version="1.0.0",
    lifespan=lifespan
)

# CORS
app.add_middleware(
    CORSMiddleware,
    allow_origins=[
        "*",
    ],
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

# Routers
app.include_router(events.router, prefix="/api/v1", tags=["events"])

@app.get("/")
async def root():
    return {
        "message": "Locate the News API",
        "version": "1.0.0",
        "docs": "/docs"
    }

@app.get("/health")
async def health():
    return {"status": "healthy"}