src/streamlit_app.py

import streamlit as st
import yt_dlp

st.set_page_config(page_title="YT Downloader", page_icon="🎥")
st.title("🎥 YouTube Downloader")

url = st.text_input("Enter YouTube URL:", placeholder="https://www.youtube.com/watch?v=...")

if url:
    try:
        with st.spinner("Fetching video info..."):
            ydl_opts = {'format': 'best', 'quiet': True}
            with yt_dlp.YoutubeDL(ydl_opts) as ydl:
                info = ydl.extract_info(url, download=False)
                
                st.subheader(info.get('title'))
                st.image(info.get('thumbnail'), width=400)
                
                video_url = info.get('url')
                if video_url:
                    st.video(video_url)
                    st.link_button("Download Video", video_url)
    except Exception as e:
        st.error(f"Error: {e}")