from flask import Flask, render_template, request, jsonify
import json
import MySQLdb
import paho.mqtt.client as mqtt
import threading
from stupidArtnet import StupidArtnet

app = Flask(__name__)

# Read configuration from config.json
try:
    with open('config.json', 'r') as config_file:
        config = json.load(config_file)
except FileNotFoundError:
    # Create config.json with default values if it doesn't exist
    config = {
        "mysql": {
            "host": "localhost",
            "user": "pxm",
            "password": "pixel",
            "database": "pixeltube_db"
        },
        "artnet": {
            "universe_count": 1
        }
    }
    with open('config.json', 'w') as config_file:
        json.dump(config, config_file, indent=4)

database = config['mysql']['database']

db = MySQLdb.connect(
    host=config['mysql']['host'],
    user=config['mysql']['user'],
    password=config['mysql']['password'],
    database=config['mysql']['database'],
)

universe_count = config['artnet']['universe_count']

mqttc = mqtt.Client("localhost", 1883, 60)

# Function to register a tube in the database
def register_tube(mac_address):
    cur = db.cursor()
    
    # Check if the tube already exists in the database
    cur.execute("SELECT * FROM tubes WHERE mac_address = %s", (mac_address,))
    existing_tube = cur.fetchone()

    if existing_tube:
        # Tube already exists, do nothing for now
        pass
    else:
        # Tube is new, insert into the database
        cur.execute("INSERT INTO tubes (mac_address, universe, dmx_address, lamp_power) VALUES (%s, %s, %s, %s)",
                    (mac_address, 0, 1, 0))  # Universe 0, DMX Address 1, Lamp Power Off (False)
    cur.close()

# Registration system route
@app.route('/register_tube', methods=['POST'])
def register_tube_route():
    mac_address = request.form.get('mac_address')
    register_tube(mac_address)
    return jsonify({'success': True, 'message': 'Tube registered successfully.'})


@app.route('/get_assigned_params/<tube_unique_id>', methods=['GET'])
def get_assigned_params(tube_unique_id):
    try:
        cur = db.cursor()
        cur.execute("SELECT universe, dmx_address FROM tubes WHERE mac_address = %s", (tube_unique_id,))
        result = cur.fetchone()
        cur.close()

        if result:
            universe, dmx_address = result
            return jsonify({'success': True, 'universe': universe, 'dmx_address': dmx_address})
        else:
            return jsonify({'success': False, 'message': 'Tube not found in the database'})
    except Exception as e:
        return jsonify({'success': False, 'message': f'Error: {e}'})

def flask_api():
    app.run(host='0.0.0.0', port=5000)

def mqtt_publisher(universe):
    try:
        # Connect to the MQTT broker
        mqtt_client = mqtt.Client()
        mqtt_client.connect("localhost", 1883, 60)

        # Create a new Art-Net listener
        artnet = StupidArtnet()
        artnet.start(universe=universe)

        while True:
            dmx_values = artnet.listen()

            if dmx_values is not None:
                for channel, value in enumerate(dmx_values):
                    # Create MQTT topic based on the universe and channel
                    topic = f"/{universe}/{channel + 1}"
                    
                    # Publish the DMX value to the MQTT topic
                    mqtt_client.publish(topic, payload=value, qos=0, retain=False)

    except Exception as e:
        print(f"Error in universe {universe}: {e}")

def start_mqtt_publishers(universe_count):
    used_universes = universe_count

    # Create and start a thread for each universe
    threads = [threading.Thread(target=mqtt_publisher, args=(universe,)) for universe in used_universes]

    for thread in threads:
        thread.start()

    for thread in threads:
        thread.join()

if __name__ == "__main__":
    start_mqtt_publishers(universe_count)
    flask_api()