from flask import Flask, request, jsonify, render_template
from llama_cpp import Llama

app = Flask(__name__)

# Load the model
print("🔄 Loading model... (this may take a while)")
llm = Llama.from_pretrained(
    repo_id="bartowski/google_gemma-3-1b-it-GGUF",
    filename="google_gemma-3-1b-it-IQ4_XS.gguf",
)
print("✅ Model loaded!")

@app.route("/")
def home():
    print("📢 Serving index.html")
    return render_template("index.html")

@app.route("/chat", methods=["POST"])
def chat():
    user_input = request.json.get("message", "")
    print(f"💬 Received message: {user_input}")

    if not user_input:
        print("⚠️ Empty input received!")
        return jsonify({"error": "Empty input"}), 400

    response = llm.create_chat_completion(
        messages=[{"role": "user", "content": user_input}]
    )
    
    bot_reply = response["choices"][0]["message"]["content"]
    print(f"🤖 Bot response: {bot_reply}")

    return jsonify({"response": bot_reply})

if __name__ == "__main__":
    print("🚀 Starting Flask app on port 7860")
    app.run(host="0.0.0.0", port=7860, debug=True)