import argparse
import time

import gradio as gr

from config.config_utils import get_config
from model import Captioner, VicunaHandler


def set_example_video(example: list) -> dict:
    return gr.Video.update(value=example[0])


def upload_file(files):
    file_paths = [file.name for file in files]
    return file_paths


def upload_video(video):
    print(video)
    return video


def respond(input, chat_history):
    bot_response = handler.gr_chat(input)
    chat_history.append((input, bot_response))
    time.sleep(0.1)
    return "", chat_history


def clear_chat(chat_history):
    handler.chatbot.clear_conv_()

    return "", []



config = get_config('config/infer.yaml')

captioner = Captioner(config)  # global

global handler
handler = VicunaHandler(config['vicuna'])

with gr.Blocks(theme=gr.themes.Soft()) as demo:
    gr.Markdown("## <h1><center>ChatVID</center></h1>")
    gr.Markdown("""
    ChatVID is a video chatbot that can chat about any video.
    """)
    with gr.Row():
        with gr.Column():
            video_path = gr.Video(label="Video")

            with gr.Column():
                upload_button = gr.Button(
                    "Upload & Watch. (Click once and wait 3min )")
                chat_button = gr.Button("Let's Chat!", interactive=False)
                num_frames = gr.Slider(
                    minimum=5,
                    value=12,
                    maximum=12,
                    step=1,
                    label="Number of frames (no more than 12)")

        with gr.Column():
            chatbot = gr.Chatbot()
            captions = gr.State("")
            with gr.Row(visible=False) as input:
                with gr.Column(scale=0.7):
                    txt = gr.Textbox(
                        show_label=False,
                        placeholder="Enter text and press enter").style(
                            container=False)
                with gr.Column(scale=0.15, min_width=0):
                    run_button = gr.Button("RUN!")
                with gr.Column(scale=0.15, min_width=0):
                    clear_button = gr.Button("CLEAR")

    upload_button.click(
        lambda: gr.update(interactive=False), None, chat_button).then(
            lambda: gr.update(visible=False), None,
            input).then(lambda: [], None, chatbot).then(
                captioner.caption_video, [video_path, num_frames],
                [captions]).then(lambda: gr.update(interactive=True), None,
                                    chat_button)

    chat_button.click(handler.gr_chatbot_init, [captions],
                        None).then(lambda: gr.update(visible=True), None,
                                    input)

    txt.submit(respond, inputs=[txt, chatbot], outputs=[txt, chatbot])
    run_button.click(
        respond, inputs=[txt, chatbot], outputs=[txt, chatbot])
    clear_button.click(
        clear_chat, inputs=[chatbot], outputs=[txt, chatbot])

demo.launch()