#!/usr/bin/env python

from __future__ import annotations

import gradio as gr
import torch
import re
import openai
from cairosvg import svg2png

from app_canny import create_demo as create_demo_canny
from app_depth import create_demo as create_demo_depth
from app_ip2p import create_demo as create_demo_ip2p
from app_lineart import create_demo as create_demo_lineart
from app_mlsd import create_demo as create_demo_mlsd
from app_normal import create_demo as create_demo_normal
from app_openpose import create_demo as create_demo_openpose
from app_scribble import create_demo as create_demo_scribble
from app_scribble_interactive import create_demo as create_demo_scribble_interactive
from app_segmentation import create_demo as create_demo_segmentation
from app_shuffle import create_demo as create_demo_shuffle
from app_softedge import create_demo as create_demo_softedge
from model import Model
from settings import ALLOW_CHANGING_BASE_MODEL, DEFAULT_MODEL_ID, SHOW_DUPLICATE_BUTTON

DESCRIPTION = "# ControlNet v1.1"

if not torch.cuda.is_available():
    DESCRIPTION += "\n<p>Running on CPU 🥶 This demo does not work on CPU.</p>"

model = Model(base_model_id=DEFAULT_MODEL_ID, task_name="Canny")

def gpt_control(apikey, prompt):

    openai.api_key = apikey

    # gpt
    messages = [{"role": "system", "content": "You are an SVG expert with years of experience and multiple contributions to the SVG project. Based on the prompt and the description, please generate the corresponding SVG code."},
     {"role": "user", "content": f"""Provide only the shell command without any explanations.
The current objective is below. Reply with the SVG code only:
OBJECTIVE: {prompt}
YOUR SVG CODE:
"""}]

    completion = openai.ChatCompletion.create(
      model = "gpt-4",
      messages = messages
    )

    chat_response = completion.choices[0].message.content

    code = re.findall('<.*>', chat_response)
    code_new = '\n'.join(code)

    svg_code = f"""
    {code_new}
    """
    svg2png(bytestring=svg_code,write_to='output.png')

    return 'output.png'


with gr.Blocks(css="style.css") as demo:
    gr.HTML("<center>"
            "<h1>🌁🪄🌃 - ControlNet with GPT-4</h1>"
            "</center>")

    gr.Markdown("## <center>🌟 Born to Create: Controllable Text-to-Image Generation with GPT-4</center>")
    
    gr.DuplicateButton(
        value="Duplicate Space for private use",
        elem_id="duplicate-button",
        visible=SHOW_DUPLICATE_BUTTON,
    )
    
    with gr.Tab("GPT-4 Control"):
        with gr.Row():
            with gr.Column():
                inp1 = gr.Textbox(label="OpenAI API Key", type="password")
                inp2 = gr.Textbox(label="Position Prompt (as simple as possible)")
                btn1 = gr.Button("GPT-4 Control", variant="primary")
            with gr.Column():
                out1 = gr.Image(label="Output Image", type="pil", interactive=True)

        btn1.click(gpt_control, [inp1, inp2], [out1])


    with gr.Tabs():
        with gr.TabItem("Canny"):
            create_demo_canny(model.process_canny)
        with gr.TabItem("MLSD"):
            create_demo_mlsd(model.process_mlsd)
        with gr.TabItem("Scribble"):
            create_demo_scribble(model.process_scribble)
        with gr.TabItem("Scribble Interactive"):
            create_demo_scribble_interactive(model.process_scribble_interactive)
        with gr.TabItem("SoftEdge"):
            create_demo_softedge(model.process_softedge)
        with gr.TabItem("OpenPose"):
            create_demo_openpose(model.process_openpose)
        with gr.TabItem("Segmentation"):
            create_demo_segmentation(model.process_segmentation)
        with gr.TabItem("Depth"):
            create_demo_depth(model.process_depth)
        with gr.TabItem("Normal map"):
            create_demo_normal(model.process_normal)
        with gr.TabItem("Lineart"):
            create_demo_lineart(model.process_lineart)
        with gr.TabItem("Content Shuffle"):
            create_demo_shuffle(model.process_shuffle)
        with gr.TabItem("Instruct Pix2Pix"):
            create_demo_ip2p(model.process_ip2p)

    with gr.Accordion(label="Base model", open=False):
        with gr.Row():
            with gr.Column(scale=5):
                current_base_model = gr.Text(label="Current base model")
            with gr.Column(scale=1):
                check_base_model_button = gr.Button("Check current base model")
        with gr.Row():
            with gr.Column(scale=5):
                new_base_model_id = gr.Text(
                    label="New base model",
                    max_lines=1,
                    placeholder="runwayml/stable-diffusion-v1-5",
                    info="The base model must be compatible with Stable Diffusion v1.5.",
                    interactive=ALLOW_CHANGING_BASE_MODEL,
                )
            with gr.Column(scale=1):
                change_base_model_button = gr.Button("Change base model", interactive=ALLOW_CHANGING_BASE_MODEL)
        if not ALLOW_CHANGING_BASE_MODEL:
            gr.Markdown(
                """The base model is not allowed to be changed in this Space so as not to slow down the demo, but it can be changed if you duplicate the Space."""
            )

    check_base_model_button.click(
        fn=lambda: model.base_model_id,
        outputs=current_base_model,
        queue=False,
        api_name="check_base_model",
    )
    gr.on(
        triggers=[new_base_model_id.submit, change_base_model_button.click],
        fn=model.set_base_model,
        inputs=new_base_model_id,
        outputs=current_base_model,
        api_name=False,
    )

if __name__ == "__main__":
    demo.queue(max_size=20).launch()