from contextlib import asynccontextmanager
from fastapi.middleware.cors import CORSMiddleware
from fastapi import Depends, FastAPI

from .db import User, create_db_and_tables
from .schemas import UserCreate, UserRead, UserUpdate
from .users import auth_backend, current_active_user, fastapi_users
from .llm import llm_router

@asynccontextmanager
async def lifespan(app: FastAPI):
    # Not needed if you setup a migration system like Alembic
    await create_db_and_tables()
    yield


#app = FastAPI(lifespan=lifespan)

app = FastAPI(
    docs_url="/",
    title="OpenGenAI",
    description="Your Excellect AI Physician",
    lifespan=lifespan
)

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

app.include_router(
    fastapi_users.get_auth_router(auth_backend), prefix="/auth/jwt", tags=["auth"]
)
app.include_router(
  llm_router,
  tags=["llm"]
)
app.include_router(
    fastapi_users.get_register_router(UserRead, UserCreate),
    prefix="/auth",
    tags=["auth"],
)
app.include_router(
    fastapi_users.get_reset_password_router(),
    prefix="/auth",
    tags=["auth"],
)
app.include_router(
    fastapi_users.get_verify_router(UserRead),
    prefix="/auth",
    tags=["auth"],
)
app.include_router(
    fastapi_users.get_users_router(UserRead, UserUpdate),
    prefix="/users",
    tags=["users"],
)


@app.get("/authenticated-route")
async def authenticated_route(user: User = Depends(current_active_user)):
    return {"message": f"Hello {user.email}!"}