import streamlit as st

# Example function to split text into chunks of a specified size
def chunk_text(text, chunk_size=2000):
    # Ensure text is non-empty
    if not text:
        return []
    
    # Chunk the text into smaller parts
    chunks = [text[i:i+chunk_size] for i in range(0, len(text), chunk_size)]
    return chunks

# Function to save and download chunked text
def save_and_download_chunked_data(chunked_text, file_name="chunked_data.txt"):
    # Ensure chunked_text is non-empty
    if not chunked_text:
        st.warning("No chunked data to download.")
        return
    
    # Combine chunks with delimiters (optional)
    chunked_data = "\n---\n".join(chunked_text)  # Add a separator between chunks
    
    # Display download button in Streamlit
    st.download_button(
        label="Download Chunked Data",
        data=chunked_data,
        file_name=file_name,
        mime="text/plain"
    )
    
    return chunked_data  # Return the combined chunked data if needed


# Function to display chunks in Streamlit
def display_chunks(text, chunk_size=1000):
    for j, chunk in enumerate(chunk_text(text, chunk_size)):
        st.write(f"**Chunk {j+1}:**")
        st.write(chunk)