"""Main Streamlit application for LegisQA"""

import logging
import streamlit as st
from legisqa_local.config.settings import STREAMLIT_CONFIG, setup_environment, inspect_chromadb
from legisqa_local.core.vectorstore import initialize_vectorstore
from legisqa_local.components.sidebar import render_sidebar
from legisqa_local.tabs.rag_tab import RAGTab
from legisqa_local.tabs.rag_sbs_tab import RAGSideBySideTab
from legisqa_local.tabs.guide_tab import GuideTab

# Configure logging (should be done once at application startup)
logging.basicConfig(
    level=logging.INFO,
    format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
    force=True  # Force reconfiguration if already configured
)
logger = logging.getLogger(__name__)


def main():
    """Main application function"""
    logger.info("🚀 Starting LegisQA application...")
    
    # Configure Streamlit
    st.set_page_config(**STREAMLIT_CONFIG)
    logger.info("✅ Streamlit configuration complete")
    
    # Setup environment
    logger.info("🔧 Setting up environment...")
    setup_environment()
    logger.info("✅ Environment setup complete")
    
    # Setup ChromaDB (download if needed) - run once per session
    if "chromadb_inspected" not in st.session_state:
        logger.info("💾 Inspecting ChromaDB...")
        inspect_chromadb()
        logger.info("✅ ChromaDB inspection complete")
        st.session_state.chromadb_inspected = True
    
    # Initialize vectorstore (load once and cache in session state)
    if "vectorstore" not in st.session_state:
        initialize_vectorstore()
    
    # Main content
    st.title(":classical_building: LegisQA :classical_building:")
    st.header("Query Congressional Bills")

    # Sidebar
    with st.sidebar:
        render_sidebar()

    # Create tab instances
    rag_tab = RAGTab()
    rag_sbs_tab = RAGSideBySideTab()
    guide_tab = GuideTab()

    # Create tabs
    query_rag_tab, query_rag_sbs_tab, guide_tab_ui = st.tabs([
        rag_tab.name,
        rag_sbs_tab.name,
        guide_tab.name,
    ])

    # Render tab content
    with query_rag_tab:
        rag_tab.render()

    with query_rag_sbs_tab:
        rag_sbs_tab.render()

    with guide_tab_ui:
        guide_tab.render()


if __name__ == "__main__":
    main()