import gradio as gr
from PIL import Image
import os
import subprocess
import glob


def get_latest_file(directory):
    
    all_items = glob.glob(os.path.join(directory, '*'))

    
    folders = [item for item in all_items if os.path.isdir(item)]
    files = [item for item in all_items if os.path.isfile(item)]

        
    if folders:
        latest_folder = max(folders, key=os.path.getmtime)
        return latest_folder

        
    elif files:
        latest_file = max(files, key=os.path.getmtime)
        return latest_file

        
    else:
        return None

def save_image(image):
    
    directory = './testdata'

    
    if not os.path.exists(directory):
        os.makedirs(directory)

    
    image.save(os.path.join(directory, 'new_image_1.jpg'))

def process_image(image):
    
    pil_image = Image.fromarray(image)

    
    save_image(pil_image)

    program_path = './test.py'
    subprocess.run(['python3', program_path, '--data_path_test=./testdata'])

    directory_image = './flat'  
    latest_file = get_latest_file(get_latest_file(directory_image))
    image_path = f'{latest_file}/144/test/new_image_1.jpg'
    new_image = Image.open(image_path)
    return new_image

iface = gr.Interface(fn=process_image,
                     inputs="image",
                     outputs="image",
                     title="Document dewarping platform",
                     description="This page recognises wrinkled documents and processes them into flat ones, you can upload your local images and download the processed files.",
                     allow_flagging="never"
                     )
iface.launch()