interface/app.py

import streamlit as st
import streamlit.components.v1 as components
import re
import sys
import os
from dotenv import load_dotenv
from openai import OpenAI


# Configuração do caminho para incluir as pastas necessárias
sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))

load_dotenv(override=True)

# Importando módulos necessários
from interface.chatbot import Chatbot
from interface.login import Login
from interface.postgres import Postgres

@st.cache_resource
def connect_to_services():
    oa_client = OpenAI(
        api_key=os.environ.get("OPENAI_API_KEY")
    )

    postgres_client = Postgres(
        host=os.environ.get("DB_HOST"),
        database=os.environ.get("DB_NAME"),
        user=os.environ.get("DB_USER"),
        password=os.environ.get("DB_PASSWORD"),
    )

    return oa_client, postgres_client


def display_message(message):
    """Exibe a mensagem no chat, processando o tipo de mensagem."""
    if message["type"] == "text":
        # Remove a tag <path> da mensagem, se existir
        response_without_path = re.sub(r'<path>(.*?)</path>', '', message["content"]).strip()
        st.chat_message(message["role"]).write(response_without_path)
    elif message["type"] == "page":
        display_page_message(message)


def display_page_message(message):
    """Exibe a mensagem de tipo 'page', lidando com possíveis erros."""
    if "ERROR" in message["content"].upper():
        st.chat_message(message["role"]).write("Esta informação não está em meu alcance.")
    else:
        st.subheader("Conteúdo da Página Web:")
        height = 600 if message == st.session_state.chat_history[-1] else 400
        components.html(message["content"], height=height, scrolling=True)


def main():
    if "services" not in st.session_state:
        oa_client, postgres_client =  connect_to_services()
        st.session_state.services = {
            "oa_client": oa_client,  
            "postgres_client": postgres_client
        }
    
    login = Login()
    app = Chatbot()

    if not st.session_state.user_authorized:
        login.mount_login_page()
    
    else:
        with st.sidebar:
            app.create_sidebar()  # Corrigido para chamar o método que cria o sidebar
        
        app.mount_chatbot() # Recebe o input de texto feito pelo usuário
        
        if app.response:
            app.add_to_history(app.response, role="user")
            app.generate_answer(app.response)
            app.response = ""  # Zerando a variável após uso
            st.session_state.is_feedback_active = True # Ativando o feedback
    
        for message in st.session_state.chat_history:
            display_message(message)
            if message["type"] == "page" and message == st.session_state.chat_history[-1]:
                app.display_suggestions(app.links)
        
        if st.session_state.is_feedback_active:
            app.display_feedback()


if __name__ == "__main__":
    main()