import os

# Compatibility fix - must be executed before importing streamlit
try:
    import streamlit.components.v1 as components
    if not hasattr(components, 'components'):
        components.components = components
    if not hasattr(components, 'MarshallComponentException'):
        class MarshallComponentException(Exception):
            pass
        components.MarshallComponentException = MarshallComponentException
except Exception as e:
    print(f"Compatibility fix warning: {e}")

import streamlit as st

from st_pages import get_nav_from_toml, add_page_title

from app.backend.app_init_func import LI_CSS, init_leaderboard, init_pages
from app.backend.data_engine import DataEngine


def main():
    # init global data engine
    data_engine = DataEngine()

    st.session_state["data_engine"] = data_engine
    st.set_page_config(layout="wide")

    # init leaderboard and pages
    leaderboard_change, page_change = init_leaderboard()

    init_pages(leaderboard_change, page_change)

    # load page tree
    nav = get_nav_from_toml(
        "app/ui/pages_sections.toml"
    )

    # Add custom CSS
    css = "\n".join(LI_CSS)
    st.markdown(f"""
        <style>
    
            div[data-testid="stToolbar"] {{visibility: hidden; height: 0px;}}
    
            footer {{visibility: hidden;}}
        </style>
    
        <style>
            {css}
        </style>
        """
                , unsafe_allow_html=True)

    pg = st.navigation(nav)

    # add_page_title(pg)

    pg.run()

if __name__ == '__main__':
    main()