import streamlit as st
import json
from quiz_gui_helper import _QuizGUI

def main():
    st.title("View Results")

    if not st.session_state.quiz_completed:
        st.error("No completed exam results available.")
    else:
        st.write("Displaying results...")
        quiz_data = st.session_state.quiz_data
        _QuizGUI(quiz_data).view_results()

        if st.button("Retake Exam"):
            st.session_state.quiz_completed = False
            st.session_state.quiz_loaded = True
            st.session_state.page_access["Take Exam"] = True
            st.session_state.page_access["View Results"] = False
            st.success("You can now retake the exam. Go to the Take Exam page to start.")

if __name__ == "__main__":
    main()