from contextlib import asynccontextmanager

from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from app.core.config import settings
from app.api.v1.api import api_router
from app.db.base import engine, Base

async def init_db():
    async with engine.begin() as conn:
        await conn.run_sync(Base.metadata.create_all)

@asynccontextmanager
async def lifespan(application: FastAPI):
    await init_db()
    yield

app = FastAPI(
    title=settings.PROJECT_NAME,
    version=settings.VERSION,
    description=settings.DESCRIPTION,
    openapi_url=f"{settings.API_V1_STR}/openapi.json",
    lifespan=lifespan,
)

# Set up CORS middleware
app.add_middleware(
    CORSMiddleware,
    allow_origins=settings.ALLOWED_ORIGINS,
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

# Include API router
app.include_router(router=api_router, prefix=settings.API_V1_STR)

if __name__ == "__main__":
    import uvicorn
    uvicorn.run("main:app", host="127.0.0.1", port=8000, reload=True)