import os
import random
from huggingface_hub import InferenceClient
import gradio as gr
#from utils import parse_action, parse_file_content, read_python_module_structure
from datetime import datetime
from PIL import Image
import agent
from models import models
import urllib.request
import uuid
import requests
import io
from chat_models import models as c_models


    
loaded_model=[]
chat_model=[]
for i,model in enumerate(models):
    loaded_model.append(gr.load(f'models/{model}'))
print (loaded_model)
for i,model_c in enumerate(c_models):
    chat_model.append(model_c)
print (chat_model)
now = datetime.now()
date_time_str = now.strftime("%Y-%m-%d %H:%M:%S")

#client = InferenceClient("mistralai/Mixtral-8x7B-Instruct-v0.1")
history = []

def gen_from_infer(purpose,history,image,model_drop,chat_drop,choice,seed,im_seed):
    #out_img = infer(out_prompt)
    history.clear()
    if seed == 0:
        seed = random.randint(1,1111111111111111)
    if im_seed == 0:
        im_seed = random.randint(1,1111111111111111)        
    out_prompt=generate(purpose,history,chat_drop,seed)
    history.append((purpose,out_prompt))
    yield (history,None)        
    infer_model = models[int(model_drop)]
    print (infer_model)
    infer=InferenceClient(f'{infer_model}')
    print (infer)
    
    out_img=infer.text_to_image(
        prompt=out_prompt,
        negative_prompt=None,
        height=512,
        width=512,
        num_inference_steps=None,
        guidance_scale=None,
        model=None,
        seed=im_seed,
        )
    yield (history,out_img)

def format_prompt(message, history,seed):
    #print (f'HISTORY ::: {history}')
    prompt = "<s>"
    t=False
    for user_prompt, bot_response in history:
        prompt += f"[INST] {user_prompt} [/INST]"
        prompt += f" {bot_response}</s> "
        print(f'MESSAGE :: {message}, USER_PROMPT :: {user_prompt}')
        if user_prompt == message:
            t=True
    if t==True:        
        prompt = "<s>"+f"[INST] {message} [/INST]"
        return prompt
    else:
        prompt += f"[INST] {message} [/INST]"
        return prompt

def run_gpt(in_prompt,history,model_drop,seed):
    client = InferenceClient(c_models[int(model_drop)])
    print(f'history :: {history}')
    prompt=format_prompt(in_prompt,history,seed)
    if seed == 0:
        seed = random.randint(1,1111111111111111)
    print (seed)
    generate_kwargs = dict(
        temperature=1.0,
        max_new_tokens=1048,
        top_p=0.99,
        repetition_penalty=1.0,
        do_sample=True,
        seed=seed,
    )
    content = agent.GENERATE_PROMPT + prompt
    print(content)
    stream = client.text_generation(content, **generate_kwargs, stream=True, details=True, return_full_text=False)
    resp = ""
    for response in stream:
        resp += response.token.text
    return resp
    
def run_idefics(in_prompt,history,image,model_drop,seed):
    send_list=[]
    #client = InferenceClient("HuggingFaceM4/idefics-9b-instruct")
    client = InferenceClient("HuggingFaceM4/idefics-80b-instruct")

    print(f'history :: {history}')
    prompt=format_prompt(in_prompt,history,seed)
    seed = random.randint(1,1111111111111111)
    print (seed)
    generate_kwargs = dict(
        temperature=1.0,
        max_new_tokens=512,
        top_p=0.99,
        repetition_penalty=1.0,
        do_sample=True,
        seed=seed,
    )

    generation_args = {
        "max_new_tokens": 256,
        "repetition_penalty": 1.0,
        "stop_sequences": ["<end_of_utterance>", "\nUser:"],
    }
    #content = f'{agent.IDEFICS_PROMPT}' +"\nUser"+ in_prompt +f' ![]({image})'
    #send_list.append(agent.IDEFICS_PROMPT)
    #send_list.append(prompt)
    #send_list.append(image)
    content = "\nUser: What is in this image?![](https://upload.wikimedia.org/wikipedia/commons/8/86/Id%C3%A9fix.JPG)<end_of_utterance>\nAssistant:"
    
    print(content)
    stream = client.text_generation(prompt=content, **generation_args)
    #stream = client.text_generation(content, **generate_kwargs, stream=True, details=True, return_full_text=False)
    #resp = ""
    #for response in stream:
    #    resp += response.token.text
    print (stream)
    return stream


def generate(purpose,history,chat_drop,seed):
    print (history)
    out_prompt = run_gpt(purpose,history,chat_drop,seed)
    return out_prompt

def describe(purpose,history,image,chat_drop,seed):
    print (history)
    #purpose=f"{purpose},![]({image})"
    out_prompt = run_idefics(purpose,history,image,chat_drop,seed)
    return out_prompt
   
def run(purpose,history,image,model_drop,chat_drop,choice,seed):
    if choice == "Generate":
        #out_img = infer(out_prompt)
        out_prompt=generate(purpose,history,chat_drop,seed)
        history.append((purpose,out_prompt))
        yield (history,None)        
        model=loaded_model[int(model_drop)]

        out_img=model(out_prompt)
        #return (history,None)
        print(out_img)
        url=f'https://johann22-chat-diffusion-describe.hf.space/file={out_img}'
        print(url)
        uid = uuid.uuid4()
        #urllib.request.urlretrieve(image, 'tmp.png')
        #out=Image.open('tmp.png')
        r = requests.get(url, stream=True)
        if r.status_code == 200:
            out = Image.open(io.BytesIO(r.content))
            #yield ([(purpose,out_prompt)],out)
            yield (history,out)
        else:
            yield ([(purpose,"an Error occured")],None)
    if choice == "Describe":
        #out_img = infer(out_prompt)
        out_prompt=describe(purpose,history,image,chat_drop,seed)
        history.append((purpose,out_prompt))
        yield (history,None)        
        
################################################
style="""
.top_head{
    background: no-repeat;
    background-image: url(https://huggingface.co/spaces/johann22/chat-diffusion/resolve/main/image.png);
    background-position-y: bottom;
    height: 180px;
    background-position-x: center;
}

.top_h1{
    color: white!important;
    -webkit-text-stroke-width: medium;
}

"""
with gr.Blocks(css=style) as iface:
    gr.HTML("""<div class="top_head"><center><br><h1 class="top_h1">Mixtral Chat Diffusion</h1><br><h3 class="top_h1">This chatbot will generate images</h3></center></div?""")
    #chatbot=gr.Chatbot(show_label=False, show_share_button=False, show_copy_button=True, likeable=True, layout="panel"),
    with gr.Row():
        with gr.Column(scale=1):
            chatbot=gr.Chatbot(show_copy_button=True, layout='panel')
            with gr.Row():
                agent_choice = gr.Radio(choices=["Generate","Describe"],value="Generate")
            msg = gr.Textbox()
            with gr.Accordion("Controls", open=False):
                model_drop=gr.Dropdown(label="Diffusion Models", type="index", choices=[m for m in models], value=models[0])
                chat_model_drop=gr.Dropdown(label="Chatbot Models", type="index", choices=[m for m in c_models], value=c_models[0])
                chat_seed=gr.Slider(label="Prompt Seed", minimum=0,maximum=1000000000000,
                                    value=random.randint(1,1000000000000),step=1,
                                    interactive=True,
                                   info="Set Seed to 0 to randomize the session")
                image_seed=gr.Slider(label="Image Seed", minimum=0,maximum=1000000000000,
                                    value=random.randint(1,1000000000000),step=1,
                                    interactive=True,
                                   info="Set Seed to 0 to randomize the session")
            with gr.Group():
                with gr.Row():
                    submit_b = gr.Button()
                    stop_b = gr.Button("Stop")
                    clear = gr.ClearButton([msg, chatbot])
            test_btn = gr.Button("Test")
        with gr.Column(scale=2):
            sumbox=gr.Image(label="Image")

    run_test = test_btn.click(gen_from_infer, [msg,chatbot,sumbox,model_drop,chat_model_drop,agent_choice,chat_seed,image_seed],[chatbot,sumbox],concurrency_limit=20)
    
    sub_b = submit_b.click(run, [msg,chatbot,sumbox,model_drop,chat_model_drop,agent_choice,chat_seed],[chatbot,sumbox])
    sub_e = msg.submit(run, [msg, chatbot,sumbox,model_drop,chat_model_drop,agent_choice,chat_seed], [chatbot,sumbox])
    stop_b.click(None,None,None, cancels=[sub_b,sub_e])
iface.queue(default_concurrency_limit=None).launch()