import streamlit as st
import os

if "logged_in" not in st.session_state:
    st.session_state.logged_in = False

def login():
    with st.form("Login"):
        st.write("### Login")
        username = st.text_input("Username", type="default")
        password = st.text_input("Password", type="password")
        login = st.form_submit_button("Login")
        if login:
            # if  username== st.secrets["auth"]["username"] and password == st.secrets["auth"]["password"]:
            if  username== os.getenv("username") and password == os.getenv("password"):
                st.session_state.logged_in = True
                st.rerun()
            else:
                st.error("Incorrect username or password")

def logout():
    st.session_state.logged_in = False
    st.rerun()

login_page = st.Page(login, title="Log in", icon=":material/login:")
logout_page = st.Page(logout, title="Log out", icon=":material/logout:")

Home = st.Page(
    "pages/Home.py", title="Home", icon=":material/home:"
)
About = st.Page(
    "pages/About.py", title="About", icon=":material/info:"
)
Dashboard = st.Page(
    "pages/Dashboard.py", title="Dashboard", icon=":material/dashboard:"
)
Recommendation_System = st.Page(
    "pages/Recommendation System.py",
    title="Recommendation System",
    icon=":material/assistant_photo:",
)
if st.session_state.logged_in:
    pg = st.navigation(
        {
            "": [Home, logout_page, About],
            "System" : [Dashboard, Recommendation_System]
        }
    )
else:
    pg = st.navigation([login_page])

pg.run()