use std::fmt::Write;
use dim_sdk::{plugin_info, Context, DimPlugin};
use std::fs::read_to_string;

plugin_info!(
    Plug,                    // Your main global structs name that implements `DimPlugin`
    "battery",               // Plugin name
    "0.0.0",                 // Plugin Version (leave empty for none)
    "GPLv3"                  // Plugin license (leave empty for none)
    );

struct Plug {
}

impl Plug {
    pub fn new() -> Self {
        Self {
        }
    }
}

impl DimPlugin for Plug {
    fn init(&mut self, _ctx: Context) {
    }
    fn poll(&mut self, f: &mut dim_sdk::CBuffer) -> dim_sdk::Result<()> {
        let contents = read_to_string("/sys/class/power_supply/BAT0/capacity")?;
        let cleaned_contents: String = contents.chars().filter(|c| c.is_digit(10)).collect();

        write!(f, "Battery: {}%", cleaned_contents)?;
        Ok(())
    }
    fn pre_reload(&mut self) {
    }
    fn post_reload(&mut self) {

    }
    fn free(&mut self) {

    }
}