import uuid
from typing import Optional

from fastapi import Depends, Request
from fastapi_users import BaseUserManager, FastAPIUsers, UUIDIDMixin, models
from fastapi_users.authentication import (
    AuthenticationBackend,
    BearerTransport,
    JWTStrategy,
)
from fastapi_users.db import SQLAlchemyUserDatabase

from app.db import User, get_user_db

#CHANGE ME
SECRET = "1d90d4315c0a0313fb65211fa82e88129cddedb8b662553fbd38f44be9dc818bbd8623ca0177d965e762ee9727b5f6a2bd98481311ecccbcae846bff4f57b8ce72a51fca3278caa05ff18e54c563788d2a67b44be6fc667c12d1b6c2d869f6637b67025a6aa938e811616f27c160a13dc7b653e56a9823f61a165cdf671f734c"


class UserManager(UUIDIDMixin, BaseUserManager[User, uuid.UUID]):
    reset_password_token_secret = SECRET
    verification_token_secret = SECRET

    async def on_after_register(self, user: User, request: Optional[Request] = None):
        print(f"User {user.id} has registered.")

    async def on_after_forgot_password(
        self, user: User, token: str, request: Optional[Request] = None
    ):
        print(f"User {user.id} has forgot their password. Reset token: {token}")

    async def on_after_request_verify(
        self, user: User, token: str, request: Optional[Request] = None
    ):
        print(f"Verification requested for user {user.id}. Verification token: {token}")


async def get_user_manager(user_db: SQLAlchemyUserDatabase = Depends(get_user_db)):
    yield UserManager(user_db)


bearer_transport = BearerTransport(tokenUrl="auth/jwt/login")


def get_jwt_strategy() -> JWTStrategy[models.UP, models.ID]:
    return JWTStrategy(secret=SECRET, lifetime_seconds=3600)


auth_backend = AuthenticationBackend(
    name="jwt",
    transport=bearer_transport,
    get_strategy=get_jwt_strategy,
)

fastapi_users = FastAPIUsers[User, uuid.UUID](get_user_manager, [auth_backend])

current_active_user = fastapi_users.current_user(active=True)