import os
import re
import sys
import threading
from pathlib import Path

import gradio as gr
from flask import Flask, abort, send_from_directory


def read_markdown(filepath):
    with open(filepath, 'r') as file:
        lines = file.readlines()
        start_index = None
        end_index = None
        for i, line in enumerate(lines):
            if line.strip() == '---':
                if start_index is None:
                    start_index = i
                else:
                    end_index = i
                    break
        if end_index is None:
            return ''.join(lines)  # If no end delimiter found, return entire content
        else:
            return ''.join(lines[end_index + 1:])  # Return content after end delimiter

local_path = Path(sys.path[0])
filepath = local_path / "README.md"
markdown_content = read_markdown(filepath)

# Debug: Print the markdown content to check if it includes the image syntax
print("Markdown Content:")
print(markdown_content)

app = Flask(__name__)

@app.route('/assets/<path:filename>')
def serve_assets(filename):
    # Safeguard against path traversal attacks and invalid paths
    safe_path = os.path.normpath(filename)
    if safe_path.startswith("..") or os.path.isabs(safe_path):
        print(f"Invalid path: {filename}")
        abort(400)  # Bad request for invalid paths

    asset_path = local_path / 'assets' / safe_path
    if not asset_path.is_file():
        print(f"File not found: {asset_path}")
        abort(404)  # File not found

    try:
        print("ja")
        return send_from_directory(local_path / 'assets', safe_path)
    except Exception as e:
        print(f"Error serving file: {e}")
        abort(403)  # Forbidden

def run_flask():
    app.run(port=5001, host='0.0.0.0')  # Ensure the server is accessible

flask_thread = threading.Thread(target=run_flask)
flask_thread.start()

# Update the image paths in the markdown to use the Flask server URL
markdown_content = re.sub(r'assets/([^)\s]+)', r'http://127.0.0.1:5001/assets/\1', markdown_content)


with gr.Blocks() as demo:
    gr.Markdown(markdown_content)

demo.launch()