app.py

import openai
import os
from flask import Flask, request, jsonify, render_template

app = Flask(__name__)

# Set your OpenAI API key
openai.api_key = os.getenv("OPENAI_API_KEY")

@app.route('/')
def home():
    return render_template('index.html')

@app.route('/chat', methods=['POST'])
def chat():
    user_message = request.json.get("message")
    
    if not user_message:
        return jsonify({"error": "Empty message received"})
    
    try:
        client = openai.OpenAI()  # New API usage
        response = client.chat.completions.create(
            model="gpt-3.5-turbo",
            messages=[{"role": "user", "content": user_message}]
        )
        reply = response.choices[0].message.content
        return jsonify({"reply": reply})

    except openai.OpenAIError as e:
        print(f"OpenAI API Error: {e}")  # Print error for debugging
        return jsonify({"reply": f"Error in response: {str(e)}"})  # Show error in UI

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=7860)