app.py

import streamlit as st
import openai
from PIL import Image
import os
import streamlit_tags as stt

api_key = os.environ['open_ai_api']
bot_role = os.environ['bot_role']
openai.api_key = api_key

st.set_page_config( page_title="App by Adam", page_icon=":fork_and_knife:")

messages = [
    {"role": "system", "content": bot_role},
]

# List of suggested questions
suggested_questions = [
    "Three breakfast recipes",
    "Mcdonalds for lunch",
    "Cancer fighting foods",
    "Food and nutrition myths",
    "Pakistan dinner recipes",
    "I have a lot of belly fat",
    "Gas station food",
    "Grocery shopping list"
]

def chatbot(input):
    if input:
        messages.append({"role": "user", "content": input})
        chat = openai.ChatCompletion.create(
            model="gpt-3.5-turbo", messages=messages
        )
        reply = chat.choices[0].message.content
        messages.append({"role": "assistant", "content": reply})
        return reply

# Center the text and enlarge the font
st.markdown("<h1 style='text-align: center; font-size: 60px;'> Adam </h1>", unsafe_allow_html=True)
st.markdown("<h1 style='text-align: center; font-size: 46px;'> Your Healthy Keto expert 🤖</h1>", unsafe_allow_html=True)
st.markdown("<h1 style='text-align: center; font-size: 36px;'>Ask me about food 🍔, nutrition 🍉, and illness 🤕</h1>", unsafe_allow_html=True)

# Create an expander for the chat content
with st.expander("Chat"):
    question = stt.st_tags(
                            label='Please write your question:',
                                text='Write your question and hit enter ..',
                            # value=suggested_questions,
                            suggestions= suggested_questions,
                            maxtags = 1,
                            key='1')
    
    if len(question) > 0:
        input_text = question[0]
    
    # Center and enlarge the send button
    col1, col2, col3 = st.columns([1, 3, 1])
    with col2:
        send = st.button("Send", key="send")
    
    if send:
        if len(question) > 0:
            response = chatbot(input_text)
            st.write(response)
        else:
            st.write("Write question")