function log(msg) {
  console.log("[Bahn Insight] " + msg);
}

function getMediaURL(path) {
  path = "media/" + path;
  return chrome.runtime.getURL(path) || browser.runtime.getURL(path);
}


var observer = new MutationObserver((mutations, observer) => {
    mutations.forEach((mutation) => {
      if (mutation.type === 'childList') {
        var target = mutation.target;
        if (target.tagName === 'TD') {
          var timetable = target.querySelector("td div.detailContainer table.result tbody");
          var products = timetable.querySelectorAll("tr.first td.products");
          products.forEach((product) => {
            var train_name = product.querySelector("span a").innerText;
            product.innerHTML = product.innerHTML + ' <a href="https://marudor.de/details/' + train_name + '" target="_blank"><img src="' + getMediaURL("marudor.svg") + '" style="height: 2em; vertical-align:middle;"></a>';
          });
          var stations = timetable.querySelectorAll("tr td.station");
          stations.forEach((station) => {
            var station_name = station.innerText;
            station.innerHTML = station.innerHTML + ' <a href="https://marudor.de/' + station_name + '" target="_blank"><img src="' + getMediaURL("marudor.svg") + '" style="height: 2em; vertical-align:middle;"></a>';
          });

        }
      }
    });
});


var target = document.getElementById('resultsOverview');

if(typeof target !== 'undefined') {
  observer.observe(target, {
    subtree: true,
    childList: true
  });
}