import random
import time
import json

from paho.mqtt import client as mqtt_client
from server import run_bulb_action
from colormap import rgb2hex


broker = "vps.k-world.me.uk"
port = 1883
topic = "ledLight/set"
# generate client ID with pub prefix randomly
client_id = f"python-mqtt-{random.randint(0, 100)}"
username = "karl"
password = "karlmax"


def convert_to_bulb_format(colour_map):
    hex = rgb2hex(
        colour_map["color"]["r"], colour_map["color"]["g"], colour_map["color"]["b"]
    )
    hex = hex.replace("#", "")
    value = "56" + hex + "00f0aa"
    return value


def connect_mqtt() -> mqtt_client:
    def on_connect(client, userdata, flags, rc):
        if rc == 0:
            print("Connected to MQTT Broker!")
        else:
            print("Failed to connect, return code %d\n", rc)

    client = mqtt_client.Client(client_id)
    client.username_pw_set(username, password)
    client.on_connect = on_connect
    client.connect(broker, port)
    return client


def publish(client):
    result = client.publish("ledLight/state", "on")
    status = result[0]
    if status == 0:
        print(f"Send `on` to topic `{topic}`")
    else:
        print(f"Failed to send message to topic {topic}")


def subscribe(client: mqtt_client):
    def on_message(client, userdata, msg):
        print(f"Received `{msg.payload.decode()}` from `{msg.topic}` topic")
        a = json.loads(msg.payload.decode())
        hex = convert_to_bulb_format(a)
        run_bulb_action(hex)

    client.subscribe(topic)
    client.on_message = on_message


def run():
    client = connect_mqtt()
    publish(client)
    subscribe(client)
    client.loop_forever()


if __name__ == "__main__":
    run()