lifx-mqtt-bridge/src/light.rs

#[derive(Deserialize, Debug)]
pub struct Color {
    pub hue: f32,
    pub saturation: f32,
    pub kelvin: f32,
}

#[derive(Deserialize, Debug)]
pub struct Light {
    pub id: String,
    pub label: String,
    pub connected: bool,
    pub power: String,
    pub color: Color,
    pub brightness: f32,
}

const POWER: &str = "power";
const BRIGHTNESS: &str = "brightness";

pub enum Value {
    Power(String),
    Brightness(f32),
}

impl Value {
    pub fn new(label: &str, value: Vec<u8>) -> Self {
        match label {
            POWER => Value::Power(String::from_utf8(value).unwrap()),
            BRIGHTNESS => Value::Brightness(Self::vec_to_f32(value)),
            _ => unimplemented!(),
        }
    }

    fn vec_to_f32(vec: Vec<u8>) -> f32 {
        assert!(vec.len() == 4);
        let mut value_u32: u32 = 0;
        for val in vec.clone() {
            value_u32 = value_u32 << 8;
            value_u32 = value_u32 | val as u32;
        }
        println!("{:?} -> {}", vec, value_u32);
        f32::from_bits(value_u32)
    }

    pub fn unravel(self) -> (&'static str, Vec<u8>) {
        match self {
            Value::Power(val) => (POWER, val.into_bytes()),
            Value::Brightness(val) => (BRIGHTNESS, Vec::new()),
        }
    }
}

pub struct Command {
    pub lampname: String,
    pub command: Value,
}

pub struct Update {
    pub lampname: String,
    pub status: Value,
}

pub enum Status {
    Update(Update),
    New(Light),
    Remove(String),
}