"""BIM Twin Viewer — FastAPI application entry point."""

from contextlib import asynccontextmanager

from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware

from app.api import health, elements, upload
from app.models.database import engine, Base

# Import all models so Base.metadata knows about them
from app.models import element  # noqa: F401


@asynccontextmanager
async def lifespan(app: FastAPI):
    """Create database tables on startup."""
    async with engine.begin() as conn:
        await conn.run_sync(Base.metadata.create_all)
    yield


app = FastAPI(
    title="BIM Twin Viewer API",
    description="REST API for IFC-based 3D building model inspection",
    version="0.1.0",
    lifespan=lifespan,
)

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

app.include_router(health.router)
app.include_router(upload.router, prefix="/api")
app.include_router(elements.router, prefix="/api")