use crate::app_config::AppConfig;
use actix_web::dev::Payload;
use actix_web::{Error, FromRequest, HttpRequest};
use futures_util::future::{Ready, ready};
use std::ops::Deref;

#[derive(Debug, Copy, Clone, PartialEq)]
pub struct LocalAuthEnabled(bool);

impl Deref for LocalAuthEnabled {
    type Target = bool;

    fn deref(&self) -> &Self::Target {
        &self.0
    }
}

impl FromRequest for LocalAuthEnabled {
    type Error = Error;
    type Future = Ready<Result<Self, Error>>;

    fn from_request(req: &HttpRequest, _payload: &mut Payload) -> Self::Future {
        if AppConfig::get().disable_local_auth {
            return ready(Ok(Self(false)));
        }

        let has_disable_local_auth_header = req
            .headers()
            .get(&AppConfig::get().disable_auth_header_token)
            .is_some();
        ready(Ok(Self(!has_disable_local_auth_header)))
    }
}