# utils/helpers.py

import logging
from app.document_handling import extract_text_from_pdf, extract_text_from_docx

def extract_text_from_files(files):
    """
    Estrae e concatena il testo da file PDF, DOCX e TXT.

    Args:
        files (list): Lista di file caricati.

    Returns:
        str: Testo concatenato estratto dai file.
    """
    text = ""
    for file in files:
        try:
            if file.name.endswith('.pdf'):
                text += extract_text_from_pdf(file.name)
            elif file.name.endswith('.docx'):
                text += extract_text_from_docx(file.name)
            else:
                with open(file.name, 'r', encoding='utf-8') as f:
                    text += f.read()
        except Exception as e:
            logging.error(f"Errore durante la lettura del file {file.name}: {e}")
    return text