// Variables used by Scriptable.
// These must be at the very top of the file. Do not edit.
// icon-color: deep-gray; icon-glyph: traffic-light;

// To find your SITE_ID, go to https://transport.integration.sl.se/v1/sites?expand=true
// and search for your station. The SITE_ID is the number in the id field.
const SITE_ID = "9261";

// Transport can be  BUS, TRAM, METRO, TRAIN, FERRY, SHIP, TAXI
const TRANSPORT = "METRO";

// Line number
const LINE = "14";

// Direction can be 1 or 2
const DIRECTION = "1";

// ------------------------------------------------

// Used only to refresh widget
if (args.queryParameters.refresh) {
  App.close();
  return;
}

function getIconByTransport() {
  switch (TRANSPORT) {
    case "BUS":
      return "🚌";
    case "TRAM":
      return "🚋";
    case "METRO":
      return "🚇";
    case "TRAIN":
      return "🚆";
    case "FERRY":
      return "⛴";
    case "SHIP":
      return "🚢";
    case "TAXI":
      return "🚕";
    default:
      return "🚦";
  }
}

async function loadData() {
  const url = `https://transport.integration.sl.se/v1/sites/${SITE_ID}/departures?transport=${TRANSPORT}&line=${LINE}&direction=${DIRECTION}&forecast=60`;
  const req = new Request(url);
  const json = await req.loadJSON();
  return json;
}

const data = await loadData();
const first = data.departures[0];

const widget = new ListWidget();
widget.useDefaultPadding();
widget.refreshAfterDate = new Date(first.expected);

widget.backgroundColor = new Color("#44464C");

const viewStack = widget.addStack();
viewStack.layoutVertically();
viewStack.centerAlignContent();

const departure = viewStack.addText(
  `${getIconByTransport(TRANSPORT)} ${first.stop_area.name}`
);
departure.font = Font.mediumSystemFont(12);
departure.textColor = new Color("#FFFFFF");

const destination = viewStack.addText(
  `${first.line.designation} to ${first.destination}`
);
destination.font = Font.mediumSystemFont(12);
destination.textColor = new Color("#FFFFFF");

viewStack.addSpacer(4);

let i = 0;
for (const d of data.departures) {
  const display = viewStack.addDate(new Date(d.expected));
  display.font = Font.boldSystemFont(38 - i * i * 16);
  display.textColor = new Color("#FFFFFF");
  display.applyTimeStyle();

  const expected = new Date(d.expected) / (1000 * 60);
  const scheduled = new Date(d.scheduled) / (1000 * 60);

  if (expected - scheduled > 2) {
    display.textColor = new Color("#FF0000");
  } else if (expected - scheduled > 1) {
    display.textColor = new Color("#FFFF00");
  } else {
    display.textColor = new Color("#00FF00");
  }

  if (++i >= 2) break;
}

viewStack.addSpacer(8);

// Add last updated to
const hStack = widget.addStack();
hStack.layoutHorizontally();

const label = hStack.addText("⏳ ");
label.font = Font.mediumSystemFont(8);
label.textColor = new Color("#FFFFFF");

const update = hStack.addDate(new Date());
update.applyRelativeStyle();
update.font = Font.mediumSystemFont(8);
update.textColor = new Color("#FFFFFF");

// Override what the script does
widget.url = `scriptable:///run/${encodeURIComponent(
  Script.name()
)}?refresh=true`;

widget.presentSmall();

Script.setWidget(widget);
Script.complete();