use crate::app_config::{AppConfig, ConsumptionBackend};
use rand::{thread_rng, Rng};

pub type EnergyConsumption = i32;

/// Get current electrical energy consumption
pub async fn get_curr_consumption() -> anyhow::Result<EnergyConsumption> {
    let backend = AppConfig::get()
        .consumption_backend
        .as_ref()
        .unwrap_or(&ConsumptionBackend::Constant { value: 300 });

    match backend {
        ConsumptionBackend::Constant { value } => Ok(*value),

        ConsumptionBackend::Random { min, max } => Ok(thread_rng().gen_range(*min..*max)),
    }
}