import streamlit as st
import subprocess
import shutil
import os

def run_scripts(target, source, use_face_enhancer):
    if target is None or (not use_face_enhancer and source is None):
        return None

    target_extension = os.path.splitext(target.name)[-1]
    output_path1 = "output1" + target_extension
    output_path2 = "output2" + target_extension

    if not use_face_enhancer:
        # Run the first script
        cmd1 = ["python3", "run.py", "-s", source.name, "-t", target.name, "-o", output_path1, "--frame-processor", "face_swapper"]
        subprocess.run(cmd1)

    # Run the second script
    cmd2 = ["python3", "run.py", "-t", target.name if use_face_enhancer else output_path1, "-o", output_path2, "--frame-processor", "face_enhancer"]
    subprocess.run(cmd2)

    if not use_face_enhancer:
        os.remove(source.name)
    os.remove(target.name)

    return output_path2

st.title("Face swapper")

target_image = st.file_uploader("Upload target image", type=["jpg", "png"])

source_image = st.file_uploader("Upload source image (optional)", type=["jpg", "png"])

use_face_enhancer = st.checkbox("Use only Face Enhancer", value=False)

if st.button("Swap Faces"):
    output_file = run_scripts(target_image, source_image, use_face_enhancer)
    if output_file:
        st.success("Face swapping completed!")
        st.image(output_file)
    else:
        st.error("Please provide a target image.")