from fastapi import APIRouter

def get_router():
    router = APIRouter()
    
    # Import sub-modules from the routes directory
    from .routes.auth import auth
    from .routes.patients import patients
    from .routes.pdf import pdf
    
    # Include sub-routers
    router.include_router(auth.router, prefix="/auth", tags=["auth"])
    router.include_router(patients.router, prefix="/ehr", tags=["patients"])
    router.include_router(pdf.router, prefix="/ehr/patients", tags=["pdf"])
    
    return router

# Export the router
api_router = get_router()