app.py

from flask import Flask, request, jsonify, send_file
import pickle
import random

app = Flask(__name__)

model = pickle.load(open("model.pkl","rb"))
vectorizer = pickle.load(open("vectorizer.pkl","rb"))
intents = pickle.load(open("intents.pkl","rb"))

def get_response(message):
    X = vectorizer.transform([message])
    tag = model.predict(X)[0]

    for intent in intents["intents"]:
        if intent["tag"] == tag:
            return random.choice(intent["responses"])

@app.route("/")
def home():
    return send_file("index.html")

@app.route("/chat", methods=["POST"])
def chat():
    user_message = request.json["message"]
    response = get_response(user_message)
    return jsonify({"response": response})

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