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from openai import OpenAI
import gradio as gr
import os, json
# Attempt to load configuration from config.json
try:
    with open('config.json') as config_file:
        config = json.load(config_file)
    OPENAI_API_KEY = config.get("OPENAI_API_KEY")
    SYSTEM_PROMPT = config.get("SYSTEM_PROMPT")
except FileNotFoundError:
    # If config.json is not found, fall back to environment variables
    OPENAI_API_KEY = os.getenv("OPENAI_API_KEY")
    SYSTEM_PROMPT = os.getenv("SYSTEM_PROMPT")

# Fallback to default values if necessary
if not OPENAI_API_KEY:
    raise ValueError("OPENAI_API_KEY is not set in config.json or as an environment variable.")
if not SYSTEM_PROMPT:
    SYSTEM_PROMPT = "This is a default system prompt."

client = OpenAI(api_key=OPENAI_API_KEY)

system_prompt = {
    "role": "system",
    "content": SYSTEM_PROMPT
}


MODEL = "gpt-3.5-turbo"

def predict(message, history):
    history_openai_format = [system_prompt]
    for human, assistant in history:
        history_openai_format.append({"role": "user", "content": human })
        history_openai_format.append({"role": "assistant", "content":assistant})
    history_openai_format.append({"role": "user", "content": message})

    response = client.chat.completions.create(model=MODEL,
    messages= history_openai_format,
    temperature=1.0,
    stream=True)

    partial_message = ""
    for chunk in response:
        if chunk.choices[0].delta.content:
            partial_message = partial_message + chunk.choices[0].delta.content
            yield partial_message

gr.ChatInterface(predict).launch(share=True)