import os
import tempfile
import streamlit as st
from utils.document import audit_descriptif_pdf

def read_and_save_file():

    for file in st.session_state["file_uploader"]:
        with tempfile.NamedTemporaryFile(delete=False) as tf:
            tf.write(file.getbuffer())
            file_path = tf.name
            if not any(f["name"] == file.name for f in st.session_state["files"]):
                st.session_state["files"].append({
                    "name": file.name,
                    "audit": audit_descriptif_pdf(file)["audit"]
                })

        with st.session_state["ingestion_spinner"], st.spinner(f"Chargement {file.name}"):
            st.session_state["assistant"].ingest(file_path)
        os.remove(file_path)



def page():
    st.subheader("Charger vos documents")

    if "files" not in st.session_state:
        st.session_state["files"] = []

    # Custom CSS to hide default English labels
    # st.markdown(
    #     """
    #     <style>
    #     div[data-testid="stFileUploaderDropzoneInstructions"] div::before {
    #         content: "Déposer les fichiers ici ou cliquer pour parcourir";
    #         display: block;
    #         font-size: 14px;
    #         color: #333;
    #         text-align: center;
    #         padding: 10px;
    #     }
    #     div[data-testid="stFileUploaderDropzone"] div[role="button"] span {
    #         display: none !important;
    #     }
    #     </style>
    #     """,
    #     unsafe_allow_html=True
    # )

    # File uploader
    st.file_uploader(
        "Télécharger un ou plusieurs documents",
        type=["pdf"],
        key="file_uploader",
        accept_multiple_files=True,
        on_change=read_and_save_file,
    )


    for file in st.session_state["files"]:
        st.markdown(f"#### {file['name']}")

        audit = file["audit"]
        st.markdown(
            """
            <table>
                <tr><td>Nombre de pages</td><td>{}</td></tr>
                <tr><td>Nombre d'images</td><td>{}</td></tr>
                <tr><td>Nombre de liens</td><td>{}</td></tr>
                <tr><td>Nombre de tableaux</td><td>{}</td></tr>
                <tr><td>Nombre de tokens</td><td>{}</td></tr>
                <tr><td>Nombre de mots</td><td>{}</td></tr>
            </table>
            """.format(
                audit['number_of_pages'],
                audit['number_of_images'],
                audit['number_of_links'],
                audit['number_of_tables'],
                audit['number_of_tokens'],
                audit['number_of_words']
            ),
            unsafe_allow_html=True
        )


    st.session_state["ingestion_spinner"] = st.empty()

page()