use std::process::Command;
use super::Direction;

pub fn step(directon: Direction) { //onscroll
    set(5, directon);
}

pub fn toggle_mute(saved_volume: u8) { //onclick
    use super::update_eww_var;

    let volume = get_current_value();
    set(saved_volume, Direction::Absolute);
    update_eww_var("mute_save", &volume.to_string());

    std::process::exit(0);
}

pub fn get_current_icon() -> Level { //for path var in image (add to defpoll)
    match get_current_value() {
        value if value <= 0 => Level::Mute,
        value if value <= 25 => Level::Low,
        value if value <= 75 => Level::Mid,
        _ => Level::High,
    }
}

pub fn get_current_value() -> u8 { //for value in circular-progrss (add to defpoll)
    let value = Command::new("amixer")
        .arg("sget").arg("Master")
        .output().unwrap().stdout;
    let value = String::from_utf8(value).unwrap();
    let value: Vec<&str> = value.split("[").collect();
    
    value[3].trim().get(0..value.len()-3).unwrap().parse().unwrap()
}



fn set(value: u8, directon: Direction) {
    let mut value = value.to_string();
    value.push('%');

    match directon {
        Direction::Up => value.push('+'),
        Direction::Down => value.push('-'),
        Direction::Absolute => (),
    }
    
    Command::new("amixer")
        .arg("sset").arg("Master").arg(value).arg("> /dev/null")
        .spawn();
}


enum Level {
    High,
    Mid,
    Low,
    Mute,
}