use crate::picker::led_color::LedColor;

use super::mqtt::MqttConnection;
use once_cell::sync::OnceCell;
use paris::info;

pub struct Manager {
    mqtt: MqttConnection,
}

impl Manager {
    pub fn global() -> &'static Self {
        static RPC_MANAGER: OnceCell<Manager> = OnceCell::new();

        RPC_MANAGER.get_or_init(|| Manager::new())
    }

    pub fn new() -> Self {
        let mut mqtt = MqttConnection::new();
        mqtt.initialize();
        Self { mqtt }
    }

    pub async fn publish_led_colors(&self, colors: &Vec<LedColor>) -> anyhow::Result<()> {
        let payload = colors
            .iter()
            .map(|c| c.get_rgb().clone())
            .flatten()
            .collect::<Vec<u8>>();

        self.mqtt
            .client
            .publish(
                "screen-bg-light/desktop/colors",
                rumqttc::QoS::AtMostOnce,
                false,
                payload,
            )
            .await
            .map_err(|error| anyhow::anyhow!("mqtt publish failed. {}", error))
    }
}