import gradio as gr
import subprocess
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_path = target
    source_path = source

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

    if not use_face_enhancer:
        cmd1 = [
            "python3", "run.py",
            "-s", source_path,
            "-t", target_path,
            "-o", output_path1,
            "--frame-processor", "face_swapper"
        ]
        subprocess.run(cmd1, check=True)

    cmd2 = [
        "python3", "run.py",
        "-t", target_path if use_face_enhancer else output_path1,
        "-o", output_path2,
        "--frame-processor", "face_enhancer"
    ]
    subprocess.run(cmd2, check=True)

    return output_path2

iface = gr.Interface(
    fn=run_scripts,
    inputs=[
        gr.File(label="Target image/video", type="filepath"),
        gr.File(label="Source image", type="filepath"),
        gr.Checkbox(value=False, label="Use only Face Enhancer")
    ],
    outputs=gr.File(label="Output file"),
    title="Face swapper",
    description="Upload a target image/video and a source image to swap faces.",
    live=True
)

iface.launch()