"""FastAPI application entry point."""
from contextlib import asynccontextmanager

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

from database import engine, Base
from routes import sum as sum_routes
from routes import counter as counter_routes
from routes import audit as audit_routes
from routes import profile as profile_routes
from routes import invites as invites_routes
from routes import auth as auth_routes
from routes import meta as meta_routes
from routes import availability as availability_routes
from routes import booking as booking_routes
from validate_constants import validate_shared_constants


@asynccontextmanager
async def lifespan(app: FastAPI):
    """Create database tables on startup and validate constants."""
    # Validate shared constants match backend definitions
    validate_shared_constants()
    
    async with engine.begin() as conn:
        await conn.run_sync(Base.metadata.create_all)
    yield


app = FastAPI(lifespan=lifespan)

app.add_middleware(
    CORSMiddleware,
    allow_origins=["http://localhost:3000"],
    allow_methods=["*"],
    allow_headers=["*"],
    allow_credentials=True,
)

# Include routers
app.include_router(auth_routes.router)
app.include_router(sum_routes.router)
app.include_router(counter_routes.router)
app.include_router(audit_routes.router)
app.include_router(profile_routes.router)
app.include_router(invites_routes.router)
app.include_router(invites_routes.admin_router)
app.include_router(availability_routes.router)
app.include_router(booking_routes.router)
app.include_router(booking_routes.appointments_router)
app.include_router(meta_routes.router)