import gradio as gr
from dotenv import load_dotenv
import os
import anthropic
import openai
from util import ClaudeCompletion, GPTCompletion

gr.close_all()

load_dotenv()
CLAUDE_API_KEY = os.environ["CLAUDE_API_KEY"]
openai.api_key = os.environ["OPENAI_API_KEY"]

claudeClient = anthropic.Client(CLAUDE_API_KEY)

def talkToClaude(prompt):
    completion = ClaudeCompletion(prompt, max_tokens_to_sample=1024)
    claudeResponse = completion.execute(claudeClient)
    return claudeResponse

def chatWithClaude(chatHistory):
    completion = ClaudeCompletion("", max_tokens_to_sample=2048, temperature=0.5)
    claudeResponse = completion.chatComplete(claudeClient, chatHistory)
    lastMessage = chatHistory[-1][0]
    chatHistory.pop()
    chatHistory.append((lastMessage, claudeResponse))
    return chatHistory

def startNewChat(system, chatHistory):
    systemMes = "You are a human chatting with an AI assistant. This is the context of your conversation: " + system
    completion = GPTCompletion(system=systemMes, max_tokens=2048, temperature=1.5)
    gptResponse = completion.chatComplete(chatHistory, firstMessage="Hi, I am an AI assistant. How can I help you?")
    chatHistory.append((gptResponse, ""))
    return chatHistory

def chatWithGPT(chatHistory):
    completion = GPTCompletion(system="You are a human chatting with an AI assistant.", max_tokens=2048, temperature=1.5)
    gptResponse = completion.chatComplete(chatHistory)
    chatHistory.append((gptResponse, ""))
    return chatHistory

with gr.Blocks() as demo:
    chatHistory = []
    gptsTurn = True

    def startConversation(prompt):
        global chatHistory, gptsTurn
        # nextBtn.interactive = False
        chatHistory = []
        startNewChat(prompt, chatHistory)
        # nextBtn.interactive = True
        gptsTurn = False
        return chatHistory

    def nextResponse():
        global gptsTurn
        # nextBtn.interactive = False
        if (gptsTurn):
            chatWithGPT(chatHistory)
        else:
            chatWithClaude(chatHistory)
        gptsTurn = not gptsTurn
        # nextBtn.interactive = True
        return chatHistory

    context = gr.Textbox(label="Context",
                         placeholder="Set the context for two LLMs to chat with each other",
                         info="OpenAI's gpt-3.5-turbo model with chat completion and Anthropic's claude-v1.3 text completion model will talk to each other. Context will be integrated into GPT's system message for the first line of the dialoge and will be scrapped afterwards. The two LLM's are expected to keep the conversation going based on the conversation history. Clicking \"Start conversation\" will reset the conversation and bring the first message. Then, clicking \"Next response\" will bring the next line of the dialogue.")
    start_button = gr.Button("Start conversation")

    chatbot = gr.Chatbot().style(height=460)
    nextBtn = gr.Button("Next response")
    examples = gr.Examples(
        ["A person is interested in Formula 1 and asks questions about the sport",
         "A little child wants to understand how planes fly",
         "You are a young indie game dev searching for ideas about their next strategy game",
         "You are an old irish man is interested in medieval european history"]
        , context)
    # nextBtn.interactive = False
    start_button.click(startConversation, context, chatbot, scroll_to_output=True, show_progress=True)
    nextBtn.click(nextResponse, None, chatbot, scroll_to_output=True, show_progress=True)

try:
    demo.launch(share=True)
except KeyboardInterrupt:
    demo.close()
except Exception as e:
    print(e)
    demo.close()
    gr.close_all()