use crate::ui::card;
use gtk::{prelude::*, *};
use std::{cell::RefCell, rc::Rc};

pub fn render() -> Rc<RefCell<gtk::Box>> {
  let cont = gtk::Box::new(Orientation::Vertical, 12);
  cont.set_valign(Align::Start);
  cont.set_margin_top(48);
  cont.set_margin_bottom(48);
  cont.set_margin_start(96);
  cont.set_margin_end(96);

  let active = crate::DL_JOBS.active_count();
  rc!(cont, active);
  gtk::idle_add(clone!(cont => move || {
      let active_now = crate::DL_JOBS.active_count();
      if active_now != *active.borrow() {
          *active.borrow_mut() = active_now;

          let cont = cont.borrow();
          for ch in cont.get_children() {
              cont.remove(&ch);
          }

          let dl_list = {
              crate::DOWNLOADS.lock().unwrap().clone()
          };
          for (_, dl) in dl_list {
              cont.add(&*card::render(dl.track).borrow());
          }
          cont.show_all();
      }
      glib::Continue(true)
  }));
  cont.borrow().show_all();
  cont
}