use std::error::Error;

use anyhow::Result;
use sysinfo::System;

#[derive(Debug)]
pub struct MemoryInfo {
    pub total: Option<f64>,
    pub used: Option<f64>,
    pub free: Option<f64>,
}

pub async fn get_memory_info() -> Result<MemoryInfo> {
    let mut sys = System::new();
    sys.refresh_memory();

    Ok(MemoryInfo {
        total: Some(sys.total_memory() as f64),
        used: Some(sys.used_memory() as f64),
        free: Some(sys.free_memory() as f64),
    })
}

pub fn _get_memory_usage(sys: &mut System) -> Result<f64, Box<dyn Error>> {
    sys.refresh_memory();
    Ok((sys.used_memory() as f64 / sys.total_memory() as f64) * 100.0)
}