# pages/login.py

import streamlit as st

def show_login_page(auth_manager):
    """Display login page"""
    st.title("🔒 Login to Stock Chart Assistant")
    
    with st.form("login_form"):
        username = st.text_input("Username").lower()
        password = st.text_input("Password", type="password")
        submit = st.form_submit_button("Login")
        
        if submit:
            if auth_manager.login(username, password):
                st.success("Login successful!")
                st.rerun()  # Rerun to update the page
            else:
                st.error("Invalid username or password!")
                
    # Show demo credentials
    st.markdown("---")
    st.markdown("### Demo Access")
    st.info("""
    Use these credentials to try the demo:
    - Username: synaptyx
    - Password: demo
    """)

def show_logout_button(auth_manager):
    """Display logout button"""
    if st.sidebar.button("Logout"):
        auth_manager.logout()
        st.rerun()  # Rerun to update the page