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use ndata::dataobject::*;
use std::process::Command;
use std::process::Stdio;
use ndata::dataarray::DataArray;

pub fn execute(o: DataObject) -> DataObject {
let a0 = o.get_array("command");
let ax = system_call(a0);
let mut o = DataObject::new();
o.put_object("a", ax);
o
}

pub fn system_call(command:DataArray) -> DataObject {
let mut out = DataObject::new();

let mut command = command.duplicate();
let a = command.get_string(0);
command.remove_property(0);

let mut args = Vec::<String>::new();
for arg in command.objects() {
  args.push(arg.string());
}

let cmd = Command::new(&a)
  .args(args)
  .stderr(Stdio::piped())
  .stdout(Stdio::piped())
  .spawn()
  .expect("failed to execute process");

let output = cmd.wait_with_output().unwrap();
let result = std::str::from_utf8(&output.stdout).unwrap();
let error = std::str::from_utf8(&output.stderr).unwrap();

out.put_str("out", result);
out.put_str("err", error);

out

}