import json
from pathlib import Path
from json import JSONDecodeError
from langchain.agents import create_csv_agent
from FreeLLM import ChatGPTAPI # FREE CHATGPT API
from FreeLLM import HuggingChatAPI # FREE HUGGINGCHAT API
from FreeLLM import BingChatAPI # FREE BINGCHAT API
from FreeLLM import BardChatAPI # FREE GOOGLE BARD API

from langchain.utilities import PythonREPL
import os

#### LOG IN FOR CHATGPT FREE LLM
from dotenv import load_dotenv
load_dotenv()

select_model = input("Select the model you want to use (1, 2, 3 or 4) \n \
1) ChatGPT \n \
2) HuggingChat \n \
3) BingChat \n \
4) Google Bard \n \
>>> ")

if select_model == "1":
    CG_TOKEN = os.getenv("CHATGPT_TOKEN", "your-chatgpt-token")

    if CG_TOKEN != "your-chatgpt-token":
        os.environ["CHATGPT_TOKEN"] = CG_TOKEN
    else:
        raise ValueError(
            "ChatGPT Token EMPTY. Edit the .env file and put your ChatGPT token"
        )

    start_chat = os.getenv("USE_EXISTING_CHAT", False)
    if os.getenv("USE_GPT4") == "True":
        model = "gpt-4"
    else:
        model = "default"

    llm = ChatGPTAPI.ChatGPT(token=os.environ["CHATGPT_TOKEN"], model=model)
              
elif select_model == "2":
    emailHF = os.getenv("emailHF", "your-emailHF")
    pswHF = os.getenv("pswHF", "your-pswHF")
    if emailHF != "your-emailHF" or pswHF != "your-pswHF":
        os.environ["emailHF"] = emailHF
        os.environ["pswHF"] = pswHF
    else:
        raise ValueError(
            "HuggingChat Token EMPTY. Edit the .env file and put your HuggingChat credentials"
        )
    
    llm = HuggingChatAPI.HuggingChat(email=os.environ["emailHF"], psw=os.environ["pswHF"])

elif select_model == "3":
    if not os.path.exists("cookiesBing.json"):
        raise ValueError("File 'cookiesBing.json' not found! Create it and put your cookies in there in the JSON format.")
    cookie_path = Path() / "cookiesBing.json"
    with open("cookiesBing.json", 'r') as file:
        try:
            file_json = json.loads(file.read())
        except JSONDecodeError:
            raise ValueError("You did not put your cookies inside 'cookiesBing.json'! You can find the simple guide to get the cookie file here: https://github.com/acheong08/EdgeGPT/tree/master#getting-authentication-required.")
    llm=BingChatAPI.BingChat(cookiepath=str(cookie_path), conversation_style="creative")

elif select_model == "4":
    GB_TOKEN = os.getenv("BARDCHAT_TOKEN", "your-googlebard-token")
    
    if GB_TOKEN != "your-googlebard-token":
        os.environ["BARDCHAT_TOKEN"] = GB_TOKEN
    else:
        raise ValueError("GoogleBard Token EMPTY. Edit the .env file and put your GoogleBard token")
    cookie_path = os.environ["BARDCHAT_TOKEN"]
    llm=BardChatAPI.BardChat(cookie=cookie_path)

####

path_csv = input("Enter the path of the csv file: ") or "OtherAgent/startup.csv"

agent = create_csv_agent(llm=llm, tool=PythonREPL(), path=path_csv, verbose=True)

#todo : ADD MEMORY


print(">> START CSV AGENT")
print("> Digit 'exit' for exit or 'your task or question' for start\n\n")
prompt = input("(Enter your task or question) >> ")
while prompt != "exit":
    agent.run(prompt)
    prompt = input("(Enter your task or question) >> ")