# app.py

import gradio as gr
from bs4 import BeautifulSoup
import requests
from transformers import pipeline
from sentence_transformers import SentenceTransformer
import faiss
import numpy as np
import pandas as pd

# Initialize models and variables
summarizer = pipeline("summarization", model="sshleifer/distilbart-cnn-12-6")
embedding_model = SentenceTransformer('all-MiniLM-L6-v2')
faiss_index = None
bookmarks = []
fetch_cache = {}

def parse_bookmarks(file_content):
    # [Same as before]

def fetch_url_info(bookmark):
    # [Same as before]

def generate_summary(bookmark):
    # [Same as before]

def vectorize_and_index(bookmarks):
    # [Same as before]

def display_bookmarks():
    data = []
    for i, bookmark in enumerate(bookmarks):
        status = "Dead Link" if bookmark.get('dead_link') else "Active"
        css_class = "dead-link" if bookmark.get('dead_link') else ""
        data.append({
            'Index': i,
            'Title': bookmark['title'],
            'URL': bookmark['url'],
            'Status': status,
            'ETag': bookmark.get('etag', 'N/A'),
            'Summary': bookmark.get('summary', ''),
            'css_class': css_class
        })
    df = pd.DataFrame(data)
    return df

def process_uploaded_file(file):
    # [Updated as per Step 3]

def chatbot_response(user_query):
    # [Same as before]

def edit_bookmark(bookmark_idx, new_title, new_url):
    # [Update outputs to include the updated bookmarks list]
    message, updated_df = "Bookmark updated successfully.", display_bookmarks()
    return message, updated_df

def delete_bookmark(bookmark_idx):
    # [Update outputs to include the updated bookmarks list]
    message, updated_df = "Bookmark deleted successfully.", display_bookmarks()
    return message, updated_df

def build_app():
    with gr.Blocks(css="app.css") as demo:
        gr.Markdown("# Bookmark Manager App")

        with gr.Tab("Upload and Process Bookmarks"):
            upload = gr.File(label="Upload Bookmarks HTML File", type='binary')
            process_button = gr.Button("Process Bookmarks")
            output_text = gr.Textbox(label="Output")
            bookmark_table = gr.Dataframe(
                label="Bookmarks",
                headers=["Index", "Title", "URL", "Status", "ETag", "Summary"],
                datatype=["number", "str", "str", "str", "str", "str"],
                interactive=False
            )

            process_button.click(
                process_uploaded_file,
                inputs=upload,
                outputs=[output_text, bookmark_table]
            )

        with gr.Tab("Chat with Bookmarks"):
            # [Same as before]

        with gr.Tab("Manage Bookmarks"):
            manage_output = gr.Textbox(label="Manage Output")
            bookmark_table_manage = gr.Dataframe(
                label="Bookmarks",
                headers=["Index", "Title", "URL", "Status", "ETag", "Summary"],
                datatype=["number", "str", "str", "str", "str", "str"],
                interactive=False
            )
            refresh_button = gr.Button("Refresh Bookmark List")

            with gr.Row():
                index_input = gr.Number(label="Bookmark Index")
                new_title_input = gr.Textbox(label="New Title")
                new_url_input = gr.Textbox(label="New URL")

            edit_button = gr.Button("Edit Bookmark")
            delete_button = gr.Button("Delete Bookmark")

            refresh_button.click(
                display_bookmarks,
                inputs=None,
                outputs=bookmark_table_manage
            )

            edit_button.click(
                edit_bookmark,
                inputs=[index_input, new_title_input, new_url_input],
                outputs=[manage_output, bookmark_table_manage]
            )

            delete_button.click(
                delete_bookmark,
                inputs=index_input,
                outputs=[manage_output, bookmark_table_manage]
            )

    demo.launch()

if __name__ == "__main__":
    build_app()