import sys
import os

import streamlit as st
import qrcode

import utils
import remote_api as api

@st.experimental_fragment
def loop():
    url = api.login_client_by_qr_code_url()

    if url is None or url == "":
        st.text("Something wrong, no login url got.")
        st.stop()

    st.markdown("### Please scan the qr code by telegram client.")
    qr = qrcode.make(url)
    st.image(qr.get_image())

    st.markdown("**Click the Refrash button if you have been scaned**")
    if st.button("Refresh"):
        st.rerun()