import os
import getpass
from dotenv import load_dotenv
from langchain_groq import ChatGroq
from langchain_huggingface import HuggingFaceEmbeddings


load_dotenv()

def _set_env(var: str):
  if not os.environ.get(var):
    os.environ[var] = getpass.getpass(f"Enter{var}: ")


_set_env("LANGSMITH_API_KEY")
_set_env("GROQ_API_KEY")



llm = ChatGroq(temperature=0, 
               model_name="meta-llama/llama-4-scout-17b-16e-instruct",
               streaming=True)


model_name = "jinaai/jina-embeddings-v2-base-en"
model_kwargs = {'device': 'cpu'}
encode_kwargs = {'normalize_embeddings': False}
embeddings = HuggingFaceEmbeddings(
    model_name=model_name,
    model_kwargs=model_kwargs,
    encode_kwargs=encode_kwargs
)