import os
import openai
import gradio as gr
from dotenv import load_dotenv

load_dotenv()

openai.api_key = os.getenv("API_KEY")

start_sequence = "\nAI: "
restart_sequence = "\nHuman: "

prompt = "The following is a conversation with an AI assistant. The assistant is helpful, creative, clever, and very friendly.\n\nHuman: Hello, who are you?\nAI: I am an AI created by OpenAI. How can I help you today?\nHuman: "


def openai_create(prompt):
    response = openai.Completion.create(
        model="text-davinci-003",
        prompt=prompt,
        temperature=0.9,
        max_tokens=150,
        top_p=1,
        frequency_penalty=0,
        presence_penalty=0,
        stop=[" Human:", " AI:"]
    )
    return response.choices[0].text


def chatgpt_clone(input, history):
    history = history or []
    s = list(sum(history, ()))
    s.append(input)
    inp = ' '.join(s)
    output = openai_create(inp)
    history.append((input, output))
    return history, history


block = gr.Blocks()


with block:
    gr.Markdown("""<h1><center>Build Your Own ChatGPT with OpenAI API & Gradio</center></h1>
    """)
    chatbot = gr.Chatbot().style(color_map=("#CE6400", "#0b0f19"))
    message = gr.Textbox(placeholder=prompt)
    state = gr.State()
    submit = gr.Button("SEND", variant="primary")
    submit.click(chatgpt_clone, inputs=[
                 message, state], outputs=[chatbot, state])

block.launch()