from flask import Flask, request, render_template, jsonify
import paho.mqtt.client as mqtt
from flask_mysqldb import MySQL

app = Flask(__name__)

kobuki_message = "empty"
def on_message(client, userdata, message):
    global kobuki_message #set scope for this variable
    kobuki_message = str(message.payload.decode("utf-8"))
    print(kobuki_message)

# Create an MQTT client instance
mqtt_client = mqtt.Client()
mqtt_client.username_pw_set("server", "serverwachtwoordofzo")
mqtt_client.connect("localhost", 80, 60)
mqtt_client.loop_start()
mqtt_client.subscribe("kobuki/data")
mqtt_client.on_message = on_message # this lines needs to be under the function definition otherwise it cant find which function it needs to use

app.config['MYSQL_HOST'] = 'localhost'
app.config["MYSQL_USER"] = 'admin'
app.config["MYSQL_PASSWORD"] = 'kobuki'
app.config["MYSQL_DB"] = 'kobuki'

mysql = MySQL(app)


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


@app.route('/control', methods=["GET","POST"])
def control():
    if request.authorization and request.authorization.username == 'ishak' and request.authorization.password == 'kobuki':
        return render_template('control.html')
    else:
        return ('Unauthorized', 401, {'WWW-Authenticate': 'Basic realm="Login Required"'})

@app.route('/move', methods=['POST'])
def move():
    data = request.get_json()
    direction = data.get("direction")

    # Verstuur de richting via MQTT
    if direction:
        mqtt_client.publish("home/commands", direction)  # Het topic kan aangepast worden

    return jsonify({"status": "success", "direction": direction})


@app.route('/data', methods=['GET'])
def data():
    return kobuki_message

@app.route('/phpmyadmin/<path:path>')
def phpmyadmin_passthrough(path):
    # Laat Apache deze route direct afhandelen
    return "", 404

@app.route("/database")
def database():
    cur = mysql.connection.cursor()
    cur.execute("SELECT * FROM kobuki")

if __name__ == '__main__':
    app.run(debug=True, port=5000)