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from transformers import pipeline
import streamlit as st
import torch
import requests
from PIL import Image
from pytube import YouTube
import tempfile

def detect_image(image):
    model = pipeline("image-classification", model="google/vit-base-patch16-224")
    return model(image)

def detect_video(video_url):
    yt = YouTube(video_url)
    stream = yt.streams.filter(file_extension='mp4').first()
    with tempfile.NamedTemporaryFile(delete=False, suffix='.mp4') as tmp_file:
        stream.download(filename=tmp_file.name)
        video_path = tmp_file.name
    return video_path

def main():
    st.title("VerifiAI - Image & Video Authenticity Checker")
    option = st.sidebar.selectbox("Select Option", ["Image Detection", "Video Detection"])

    if option == "Image Detection":
        uploaded_image = st.file_uploader("Upload an Image", type=["jpg", "jpeg", "png"])
        if uploaded_image:
            image = Image.open(uploaded_image)
            st.image(image, caption="Uploaded Image", use_container_width=True)
            with st.spinner("Analyzing Image..."):
                results = detect_image(image)
            for result in results:
                st.write(f"{result['label']}: {result['score']*100:.2f}%")

    elif option == "Video Detection":
        video_url = st.text_input("Enter YouTube Video Link")
        if video_url:
            st.video(video_url)
            with st.spinner("Analyzing Video..."):
                video_path = detect_video(video_url)
                st.success("Video downloaded for analysis. Video detection model coming soon.")

if __name__ == "__main__":
    if not torch.cuda.is_available():
        st.warning("CUDA not available. Running on CPU might be slower.")
    main()