const parser = new DOMParser();

var host = "stats?mode=%";

if (["localhost", "127.0.0.1", "[::]"].includes(location.hostname)) {
  host = "sample/%.txt"
}

fetch(host.replace("%", "torr")).then(r => r.text()).then(r => {
  document.querySelector("#footer").textContent = r.split("\n")[2];
});

var i = {
  "S": "\uf062",
  "P": "\uf063",
  "L": "\uf46f"
}

fetch(host.replace("%", "top10")).then(r => r.text()).then(r => {
  var lines = r.split("\n");
  var current = "";
  var data = {}
  var hashes = {}
  for (const line of lines) {
    if (line.trim() == "") continue;

    if (!line.startsWith("\t")) {
      current = line.slice(line.indexOf("by ") + 3, -1);
      data[current] = [];
    } else {
      var segments = line.trim().split("\t");
      var info = {
        num: parseInt(segments[0]),
        hash: segments[1]
      }
      hashes[info.hash] = hashes[info.hash] ?? { "seeds": 0 };
      hashes[info.hash][current] = hashes[info.hash][current] ?? 0;

      hashes[info.hash][current] += info.num;
      data[current].push(info);
    }
  }

  var tr = document.createElement("tr");

  var th = document.createElement("th");
  th.textContent = "\uf4df";
  tr.appendChild(th);

  for (const t of Object.keys(hashes[Object.keys(hashes)[0]])) {
    var th = document.createElement("th");
    th.textContent = i[t.slice(0, 1).toUpperCase()];
    tr.appendChild(th);
  }

  document.querySelector("#torrents").appendChild(tr);

  for (const hash of Object.keys(hashes)) {
    var data = hashes[hash];
    var tr = document.createElement("tr");
    tr.style = "font-family:monospace";

    var td = document.createElement("td");
    var a = document.createElement("a");
    a.href = `magnet:?xt=urn:btih:${hash}&tr=https://${location.hostname}/announce&tr=http://${location.hostname}/announce&tr=udp://${location.hostname}:6969/announce`;
    a.textContent = hash;
    td.appendChild(a);
    tr.appendChild(td);

    for (const key of Object.keys(data)) {
      var td = document.createElement("td");
      td.textContent = data[key];
      tr.appendChild(td);
    }

    document.querySelector("#torrents").appendChild(tr);
  }
});