const mpris = await Service.import("mpris");
const audio = await Service.import("audio");
const battery = await Service.import("battery");
const systemtray = await Service.import("systemtray");
import { NotificationPopups } from "./notificationPopups.js";
const date = Variable("", {
  poll: [1000, 'date "+%H:%M %b %e."'],
});

// widgets can be only assigned as a child in one container
// so to make a reuseable widget, make it a function
// then you can simply instantiate one by calling it

function Clock() {
  return Widget.Label({
    class_name: "clock",
    label: date.bind(),
  });
}

function Media() {
  const label = Utils.watch("", mpris, "player-changed", () => {
    if (mpris.players[0]) {
      const { track_artists, track_title } = mpris.players[0];
      return `${track_artists.join(", ")} - ${track_title}`;
    } else {
      return "Nothing is playing";
    }
  });

  return Widget.Button({
    class_name: "media",
    on_primary_click: () => mpris.getPlayer("")?.playPause(),
    on_scroll_up: () => mpris.getPlayer("")?.next(),
    on_scroll_down: () => mpris.getPlayer("")?.previous(),
    child: Widget.Label({ label }),
  });
}

function Volume() {
  const icons = {
    101: "overamplified",
    67: "high",
    34: "medium",
    1: "low",
    0: "muted",
  };

  function getIcon() {
    const icon = audio.speaker.is_muted
      ? 0
      : [101, 67, 34, 1, 0].find(
          (threshold) => threshold <= audio.speaker.volume * 100,
        );

    return `audio-volume-${icons[icon]}-symbolic`;
  }

  const icon = Widget.Icon({
    icon: Utils.watch(getIcon(), audio.speaker, getIcon),
  });

  const slider = Widget.Slider({
    hexpand: true,
    draw_value: false,
    on_change: ({ value }) => (audio.speaker.volume = value),
    setup: (self) =>
      self.hook(audio.speaker, () => {
        self.value = audio.speaker.volume || 0;
      }),
  });

  return Widget.Box({
    class_name: "volume",
    css: "min-width: 180px",
    children: [icon, slider],
  });
}

function BatteryLabel() {
  const value = battery.bind("percent").as((p) => (p > 0 ? p / 100 : 0));
  const icon = battery
    .bind("percent")
    .as((p) => `battery-level-${Math.floor(p / 10) * 10}-symbolic`);

  return Widget.Box({
    class_name: "battery",
    visible: battery.bind("available"),
    children: [
      Widget.Icon({ icon }),
      Widget.LevelBar({
        widthRequest: 140,
        vpack: "center",
        value,
      }),
    ],
  });
}

function SysTray() {
  const items = systemtray.bind("items").as((items) =>
    items.map((item) =>
      Widget.Button({
        child: Widget.Icon({ icon: item.bind("icon") }),
        on_primary_click: (_, event) => item.activate(event),
        on_secondary_click: (_, event) => item.openMenu(event),
        tooltip_markup: item.bind("tooltip_markup"),
      }),
    ),
  );

  return Widget.Box({
    children: items,
  });
}

// layout of the bar
function Left() {
  return Widget.Box({});
}

function Center() {
  return Widget.Box({
    spacing: 8,
    children: [Media()],
  });
}

function Right() {
  return Widget.Box({
    hpack: "end",
    spacing: 8,
    children: [Volume(), BatteryLabel(), Clock(), SysTray()],
  });
}

function Bar(monitor = 0) {
  return Widget.Window({
    name: `bar-${monitor}`, // name has to be unique
    class_name: "bar",
    monitor,
    anchor: ["top", "left", "right"],
    exclusivity: "exclusive",
    child: Widget.CenterBox({
      start_widget: Left(),
      center_widget: Center(),
      end_widget: Right(),
    }),
  });
}

App.config({
  style: "./style.css",
  windows: [Bar(), NotificationPopups()],
});

export {};