use paris::error;
use tokio::sync::{broadcast, OnceCell};

use crate::{display, picker::led_color::LedColor};

use super::mqtt::MqttRpc;

pub struct Manager {
    client: MqttRpc,
    initialized: bool,
}

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

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

    pub async fn new() -> Self {
        let mut mqtt = MqttRpc::new();
        let initialized = match mqtt.initialize().await {
            Ok(_) => true,
            Err(err) => {
                error!("initialize for mqtt was failed. {:?}", err);
                false
            }
        };
        Self {
            client: mqtt,
            initialized,
        }
    }

    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.publish_led_sub_pixels(payload).await
    }

    pub async fn publish_led_sub_pixels(&self, payload: Vec<u8>) -> anyhow::Result<()> {
        self.client.publish_led_sub_pixels(payload).await
    }

    pub fn client(&self) -> &MqttRpc {
        &self.client
    }
}