import os
import gradio as gr
from werkzeug.utils import secure_filename

UPLOAD_FOLDER = './'
ALLOWED_EXTENSIONS = {'txt', 'pdf', 'doc', 'docx', 'png', 'jpg', 'jpeg', 'gif'}

app = gr.Interface(
    fn=None,
    inputs=None,
    outputs=None,
    title='Workspace Uploader',
    description='Upload documents into a workspace',
    theme='default',
    layout='wide',
    allow_flagging=False,
    analytics_enabled=False,
    server_name=None,
)

def allowed_file(filename):
    return '.' in filename and \
           filename.rsplit('.', 1)[1].lower() in ALLOWED_EXTENSIONS

def upload_file(request):
    if request.method == 'POST':
        # check if the post request has the file part
        if 'file' not in request.files:
            return 'No file part'
        file = request.files['file']
        # if user does not select file, browser also
        # submit an empty part without filename
        if file.filename == '':
            return 'No selected file'
        if file and allowed_file(file.filename):
            filename = secure_filename(file.filename)
            file.save(os.path.join(UPLOAD_FOLDER, filename))
            return 'File uploaded successfully'
        else:
            return 'File not allowed'

@app.interface(
    "textbox",
    "file",
    live=True
)
def upload_to_workspace(text, file):
    if file is not None:
        upload_file(file)
        return 'File uploaded successfully'
    else:
        return 'No file selected'

if __name__ == '__main__':
    app.launch()