use crate::errors::ShellError;
use crate::object::process::process_dict;
use crate::object::Value;
use crate::prelude::*;
use sysinfo::SystemExt;

pub fn ps(_args: CommandArgs<'caller>) -> Result<VecDeque<ReturnValue>, ShellError> {
    let mut system = sysinfo::System::new();
    system.refresh_all();

    let list = system.get_process_list();

    let list = list
        .into_iter()
        .map(|(_, process)| ReturnValue::Value(Value::Object(process_dict(process))))
        .collect::<VecDeque<_>>();

    Ok(list)
}