#Look at integrating with the following:
# Chatbots
#Agents
# Interacting with APIs
# Code Understanding

#import depencdencies
from langchain.llms import OpenAI
from langchain import LLMChain
from langchain.prompts.prompt import PromptTemplate
from langchain.chains.conversation.memory import ConversationBufferMemory
import os

openai_api_key = os.environ.get('OPENAI_API_KEY')
template = '''
You are chatbot that is helpful and provides the best possible answers to the user. Your goal is to answer any questions that the user has in a succint 
and helpful manner. When responding to questions you should be polite and professional. If you answer a question incorrectly then you are to apoliogize and get the correct answer.
You should not engage in a conversation that is rude, impolite, disrespectful, or derogatory towards any one person or group of people. Your job is to be informative. 
You should not be judemental. 
{chat_histoy}
Human: {human_input}
Chatbot:'''

prompt = PromptTemplate(input_variables=['chat_history', 'human_input'], template=template)

memory = ConversationBufferMemory(memory_key='chat_history')

llm_chain = LLMChain(llm=OpenAI(openai_api_key=openai_api_key), prompt=prompt, memory=memory)

llm_chain.predict(human_input='Hello, how are you?')