app.py

from flask import Flask, request, send_from_directory, jsonify
from flask_cors import CORS
import os

app = Flask(__name__)
CORS(app)

SAVE_FILE = "shared_notes.txt"

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

@app.route('/save', methods=['POST'])
def save_message():
    print("POST /save called")
    data = request.get_json(force=True)
    print("Data received:", data)

    if not data or 'text' not in data:
        return "Invalid data", 400

    message = data['text'].strip()
    if message:
        with open(SAVE_FILE, "w", encoding="utf-8") as f:  # overwrite instead of append
            f.write(message + "\n")
        return "Saved", 200
    else:
        return "Empty message", 400

@app.route('/load', methods=['GET'])
def load_message():
    if not os.path.exists(SAVE_FILE):
        return jsonify({"text": ""})
    with open(SAVE_FILE, "r", encoding="utf-8") as f:
        content = f.read().strip()
    return jsonify({"text": content})

if __name__ == "__main__":
    app.run(host="0.0.0.0", port=5000)