const spotifyText = document.createTextNode("Spotify");
const bandcampText = document.createTextNode("Bandcamp");

async function addCell(id, elem) {
  let tab = document.getElementById(id), tmpLink, artist, album, newRow;
  artist = document.createTextNode(elem.artist);
  album = document.createTextNode(elem.album);
  tmpLink = document.createElement("a");
  tmpLink.appendChild(spotifyText.cloneNode());
  tmpLink.title = "Lien Spotify";
  tmpLink.href = elem.spotifyurl;

  newRow = tab.insertRow(-1);
  newRow.insertCell(0).appendChild(artist);
  newRow.insertCell(1).appendChild(album);
  newRow.insertCell(2).appendChild(tmpLink);

  tmpLink = document.createElement("a");
  switch (id) {
    case "artist-found":
      tmpLink.classList.add("only-artist")
    case "found":
      tmpLink.appendChild(bandcampText.cloneNode());
      tmpLink.title = "Lien Bandcamp";
      tmpLink.href = elem.bandcampurl;
      newRow.insertCell(3).appendChild(tmpLink);
      break;
  }
}

async function cleanArray(id) {
  var table = document.getElementById(id);
  for (var i = table.rows.length - 1; i > 0; i--) {
    table.deleteRow(i);
  }
}

async function refreshArray() {
  const data = await fetch('/feudecamp', {method: 'POST'}).then(response => response.json());
  if (data != null) {
    document.getElementById("nb-fait").textContent = data.done;
    document.getElementById("nb-total").textContent = data.todo;

    if (data.albums != null) {
      cleanArray("found");
      for (const elem of data.albums) {
        addCell("found", elem);
      }
    }

    if (data.artists != null) {
      cleanArray("artist-found");
      for (const elem of data.artists) {
        addCell("artist-found", elem);
      }
    }

    if (data.notfound != null) {
      cleanArray("notfound");
      for (const elem of data.notfound) {
        addCell("notfound", elem);
      }
    }

    if (data.done === data.todo) {
      document.getElementById("inf-loader").remove();
      clearInterval(refreshList);
    }
  }
}

/*
window.onbeforeunload = function() {
  return "Vous perdrez tous les artistes trouvés en rafraichissant la page."
}
*/

const refreshList = setInterval(refreshArray, 5000);