from flask import Flask, request, jsonify
from huggingface_hub import InferenceClient

app = Flask(__name__)
client = InferenceClient("meta-llama/Llama-3.1-8B-Instruct")
DEFAULT_MAX_TOKENS = 512
DEFAULT_TEMPERATURE = 0.7
DEFAULT_TOP_P = 0.95

def generate_journal_suggestion(current_page):
    try:
        suggestion_prompt = (
            f"""Pe baza înregistrării din jurnal: '{current_page}', generează o singură întrebare pe care utilizatorul ar putea să și-o pună în jurnalul său.
            Întrebarea ar trebui să încurajeze reflecția personală mai profundă, explorarea sentimentelor sau clarificarea obiectivelor."""
        )
        print("Generated suggestion prompt:", suggestion_prompt)
        
        suggestion_response = ""
        response_stream = client.chat_completion(
            [
                {"role": "user", "content": suggestion_prompt}
            ],
            max_tokens=150,
            stream=True,
            temperature=DEFAULT_TEMPERATURE,
            top_p=DEFAULT_TOP_P,
        )
        print("Response stream received.")
        
        for message in response_stream:
            print("Message received:", message)
            token = message.choices[0].delta.content
            suggestion_response += token

        return suggestion_response

    except Exception as e:
        print("An error occurred:", e)
        return jsonify({"error": str(e)}), 500

@app.route("/", methods=["POST", "GET"])
def home():
    return "Hi!"

@app.route("/chat", methods=["POST"])
def chat():
    try:
        data = request.json
        message = data.get("message", "")
        system_message = data.get("system_message", "You are a friendly chatbot.")
        journal_page = data.get("journal_page", "")


        suggestion = ""
        if journal_page:
            suggestion = journal_page #generate_journal_suggestion(journal_page)

        return jsonify({"journal_suggestion": suggestion})
    except Exception as e:
        print(e)
        return jsonify({"error": str(e)}), 500

if __name__ == "__main__":
    app.run(debug=True)