const authorizeEpic: Epic<ActionTypes, ActionTypes, RootState> = action$ =>
  action$.pipe(
    filter(isActionOf(actions.attemptLogin.request)),
    switchMap(async val => {
      if (!val.payload) {
        try {
          const token: Auth.Token = JSON.parse(
            localStorage.getItem(LOCAL_STORAGE_KEY) || ""
          );
          if (!token) {
            throw new Error();
          }
          return actions.attemptLogin.success({
            token
          });
        } catch (e) {
          return actions.attemptLogin.failure({
            error: {
              title: "Unable to decode JWT"
            }
          });
        }
      }

      const resp = await Auth.passwordGrant(
        {
          email: val.payload.email,
          password: val.payload.password,
          totp_passcode: ""
        },
        {
          url: "localhost:8088",
          noVersion: true,
          useHttp: true
        }
      );

      if (resp.ok) {
        return [
          actions.attemptLogin.success({
            token: resp.value
          })
          // EMIT action 2, etc...
        ];
      }

      return actions.attemptLogin.failure(resp);
    })
  );