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# Importaciones generales
import streamlit as st
from streamlit_player import st_player
import logging
from datetime import datetime, timezone
from dateutil.parser import parse

# Configuraci贸n del logger
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)

# Importaciones locales
#from session_state import initialize_session_state, logout

from translations import get_translations

from ..studentact.student_activities import display_student_progress

from ..auth.auth import authenticate_user, authenticate_student, authenticate_admin

from ..admin.admin_ui import admin_page

##Importaciones desde la configuraci贸n de bases datos #######

from ..database.sql_db import (
    store_application_request,
    store_student_feedback,
    store_application_request
)

from ..database.mongo_db import (
    get_collection,
    insert_document,
    find_documents,
    update_document,
    delete_document
)

from ..database.morphosintax_mongo_db import (
    store_student_morphosyntax_result,
    get_student_morphosyntax_analysis,
    update_student_morphosyntax_analysis,
    delete_student_morphosyntax_analysis,
    get_student_morphosyntax_data
)

from ..morphosyntax.morphosyntax_interface import (
    display_morphosyntax_interface
)

def main():
    logger.info(f"Entrando en main() - P谩gina actual: {st.session_state.page}")

    if 'nlp_models' not in st.session_state:
        logger.error("Los modelos NLP no est谩n inicializados.")
        st.error("Los modelos NLP no est谩n inicializados. Por favor, reinicie la aplicaci贸n.")
        return

    lang_code = st.session_state.get('lang_code', 'es')
    t = get_translations(lang_code)

    logger.info(f"P谩gina actual antes de la l贸gica de enrutamiento: {st.session_state.page}")

    if st.session_state.get('logged_out', False):
        st.session_state.logged_out = False
        st.session_state.page = 'login'
        st.rerun()

    if not st.session_state.get('logged_in', False):
        logger.info("Usuario no ha iniciado sesi贸n. Mostrando p谩gina de login/registro")
        login_register_page(lang_code, t)
    elif st.session_state.page == 'user':
        if st.session_state.role == 'Administrador':
            logger.info("Redirigiendo a la p谩gina de administrador")
            st.session_state.page = 'Admin'
            st.rerun()
        else:
            logger.info("Renderizando p谩gina de usuario")
            user_page(lang_code, t)
    elif st.session_state.page == "Admin":
        logger.info("Renderizando p谩gina de administrador")
        admin_page()
    else:
        logger.error(f"P谩gina no reconocida: {st.session_state.page}")
        st.error(t.get('unrecognized_page', 'P谩gina no reconocida'))

    logger.info(f"Saliendo de main() - Estado final de la sesi贸n: {st.session_state}")


def login_register_page(lang_code, t):
    st.title("AIdeaText")
    st.write(t.get("welcome_message", "Bienvenido. Por favor, inicie sesi贸n o reg铆strese."))

    left_column, right_column = st.columns([1, 3])

    with left_column:
        tab1, tab2 = st.tabs([t.get("login", "Iniciar Sesi贸n"), t.get("register", "Registrarse")])

        with tab1:
            login_form(lang_code, t)

        with tab2:
            register_form(lang_code, t)

    with right_column:
        display_videos_and_info(lang_code, t)

def login_form(lang_code, t):
    with st.form("login_form"):
        username = st.text_input(t.get("email", "Correo electr贸nico"))
        password = st.text_input(t.get("password", "Contrase帽a"), type="password")
        submit_button = st.form_submit_button(t.get("login", "Iniciar Sesi贸n"))

    if submit_button:
        success, role = authenticate_user(username, password)
        if success:
            st.session_state.logged_in = True
            st.session_state.username = username
            st.session_state.role = role
            if role == 'Administrador':
                st.session_state.page = 'Admin'
            else:
                st.session_state.page = 'user'
            logger.info(f"Usuario autenticado: {username}, Rol: {role}")
            st.rerun()
        else:
            st.error(t.get("invalid_credentials", "Credenciales incorrectas"))

def register_form(lang_code, t):
    st.header(t.get("request_trial", "Solicitar prueba de la aplicaci贸n"))

    name = st.text_input(t.get("name", "Nombre"))
    lastname = st.text_input(t.get("lastname", "Apellidos"))
    institution = st.text_input(t.get("institution", "Instituci贸n"))
    current_role = st.selectbox(t.get("current_role", "Rol en la instituci贸n donde labora"),
                                [t.get("professor", "Profesor"), t.get("student", "Estudiante"), t.get("administrative", "Administrativo")])
    desired_role = st.selectbox(t.get("desired_role", "Rol con el que desea registrarse en AIdeaText"),
                                [t.get("professor", "Profesor"), t.get("student", "Estudiante")])
    email = st.text_input(t.get("institutional_email", "Correo electr贸nico de su instituci贸n"))
    reason = st.text_area(t.get("interest_reason", "驴Por qu茅 est谩s interesado en probar AIdeaText?"))

    if st.button(t.get("submit_application", "Enviar solicitud")):
        logger.info(f"Attempting to submit application for {email}")
        logger.debug(f"Form data: name={name}, lastname={lastname}, email={email}, institution={institution}, current_role={current_role}, desired_role={desired_role}, reason={reason}")

        if not name or not lastname or not email or not institution or not reason:
            logger.warning("Incomplete form submission")
            st.error(t.get("complete_all_fields", "Por favor, completa todos los campos."))
        elif not is_institutional_email(email):
            logger.warning(f"Non-institutional email used: {email}")
            st.error(t.get("use_institutional_email", "Por favor, utiliza un correo electr贸nico institucional."))
        else:
            logger.info(f"Attempting to store application for {email}")
            success = store_application_request(name, lastname, email, institution, current_role, desired_role, reason)
            if success:
                st.success(t.get("application_sent", "Tu solicitud ha sido enviada. Te contactaremos pronto."))
                logger.info(f"Application request stored successfully for {email}")
            else:
                st.error(t.get("application_error", "Hubo un problema al enviar tu solicitud. Por favor, intenta de nuevo m谩s tarde."))
                logger.error(f"Failed to store application request for {email}")

def is_institutional_email(email):
        forbidden_domains = ['gmail.com', 'hotmail.com', 'yahoo.com', 'outlook.com']
        return not any(domain in email.lower() for domain in forbidden_domains)

def display_videos_and_info(lang_code, t):
        st.header("Videos: pitch, demos, entrevistas, otros")

        videos = {
            "Presentaci贸n en PyCon Colombia, Medell铆n, 2024": "https://www.youtube.com/watch?v=Jn545-IKx5Q",
            "Presentaci贸n fundaci贸n Ser Maaestro": "https://www.youtube.com/watch?v=imc4TI1q164",
        }

        selected_title = st.selectbox("Selecciona un video tutorial:", list(videos.keys()))

        if selected_title in videos:
            try:
                st_player(videos[selected_title])
            except Exception as e:
                st.error(f"Error al cargar el video: {str(e)}")

        st.markdown("""
        ## Novedades de la versi贸n actual
        - Interfaz mejorada para una mejor experiencia de usuario
        - Optimizaci贸n del an谩lisis morfosint谩ctico
        - Soporte para m煤ltiples idiomas
        """)

#Despu茅s de iniciar sesi贸n

def user_page(lang_code, t):
    logger.info(f"Entrando en user_page para el estudiante: {st.session_state.username}")

    current_time = datetime.now(timezone.utc)
    last_fetch_time = st.session_state.get('last_data_fetch')

    if last_fetch_time:
        last_fetch_time = parse(last_fetch_time)
    else:
        last_fetch_time = datetime.min.replace(tzinfo=timezone.utc)

    # Comprobar si necesitamos recargar los datos del usuario
    if 'user_data' not in st.session_state or (current_time - last_fetch_time).total_seconds() > 60:
        with st.spinner(t.get('loading_data', "Cargando tus datos...")):
            try:
                st.session_state.user_data = get_student_morphosyntax_data(st.session_state.username)
                st.session_state.last_data_fetch = current_time.isoformat()
            except Exception as e:
                logger.error(f"Error al obtener datos del usuario: {str(e)}")
                st.error(t.get('data_load_error', "Hubo un problema al cargar tus datos. Por favor, intenta recargar la p谩gina."))
                return

    logger.info(f"Idioma actual: {st.session_state.lang_code}")
    logger.info(f"Modelos NLP cargados: {'nlp_models' in st.session_state}")

    languages = {'Espa帽ol': 'es', 'English': 'en', 'Fran莽ais': 'fr'}

    # Estilos CSS personalizados (mantener los estilos existentes)
    st.markdown("""
    <style>
    .stSelectbox > div > div {
        padding-top: 0px;
    }
    .stButton > button {
        padding-top: 2px;
        margin-top: 0px;
    }
    div[data-testid="stHorizontalBlock"] > div:nth-child(3) {
        display: flex;
        justify-content: flex-end;
        align-items: center;
    }
    </style>
    """, unsafe_allow_html=True)

    with st.container():
        col1, col2, col3 = st.columns([2, 2, 1])
        with col1:
            st.markdown(f"<h3 style='margin-bottom: 0; padding-top: 10px;'>{t['welcome']}, {st.session_state.username}</h3>", unsafe_allow_html=True)
        with col2:
            selected_lang = st.selectbox(
                t['select_language'],
                list(languages.keys()),
                index=list(languages.values()).index(st.session_state.lang_code),
                key=f"language_selector_{st.session_state.username}_{st.session_state.lang_code}"
            )
            new_lang_code = languages[selected_lang]
            if st.session_state.lang_code != new_lang_code:
                st.session_state.lang_code = new_lang_code
                st.rerun()
        with col3:
            if st.button(t['logout'], key=f"logout_button_{st.session_state.username}_{st.session_state.lang_code}"):
                logout()
                st.rerun()

                # Reinicializar el estado de la sesi贸n
                initialize_session_state()

                # Recargar la aplicaci贸n
                st.rerun()

    st.markdown("---")

    tabs = st.tabs([
        t.get('morpho_tab', 'An谩lisis Morfosint谩ctico'),
        t.get('activities_tab', 'Mis Actividades'),
        t.get('feedback_tab', 'Formulario de Comentarios')
    ])

    with tabs[0]:
        display_morphosyntax_interface(st.session_state.lang_code, st.session_state.nlp_models, t)

    with tabs[1]:
        if 'user_data' in st.session_state and st.session_state.user_data:
             display_student_progress(st.session_state.username, st.session_state.lang_code, t)
        else:
            st.warning(t.get('no_data_warning', 'No se encontraron datos para este estudiante.'))

    with tabs[2]:
        display_feedback_form(st.session_state.lang_code, t)

    # Informaci贸n de depuraci贸n
    with st.expander("Debug Info"):
        st.write(f"P谩gina actual: {st.session_state.page}")
        st.write(f"Usuario: {st.session_state.get('username', 'No logueado')}")
        st.write(f"Rol: {st.session_state.get('role', 'No definido')}")
        st.write(f"Idioma: {st.session_state.lang_code}")
        st.write(f"脷ltima actualizaci贸n de datos: {st.session_state.get('last_data_fetch', 'Nunca')}")

def display_feedback_form(lang_code, t):
    logging.info(f"display_feedback_form called with lang_code: {lang_code}")

    st.header(t['feedback_title'])

    name = st.text_input(t['name'])
    email = st.text_input(t['email'])
    feedback = st.text_area(t['feedback'])

    if st.button(t['submit']):
        if name and email and feedback:
            if store_student_feedback(st.session_state.username, name, email, feedback):
                st.success(t['feedback_success'])
            else:
                st.error(t['feedback_error'])
        else:
            st.warning(t['complete_all_fields'])

# Definici贸n de __all__ para especificar qu茅 se exporta
__all__ = ['main', 'login_register_page', 'initialize_session_state']

# Bloque de ejecuci贸n condicional
if __name__ == "__main__":
    main()