/**
 * Player list page — table with sort, filter, and kick.
 */
function PlayerListPage(params, container) {
  var address = Rcon.getAddress() || '';

  var html =
    '<div id="PlayerListController">' +
      '<div class="row mb-3">' +
        '<div class="col-6">' +
          '<input id="player-filter" class="form-control" placeholder="Filter..">' +
        '</div>' +
        '<div class="col-6">' +
          '<button id="player-refresh" class="btn btn-secondary float-end" type="button"><i class="bi bi-arrow-clockwise"></i></button>' +
        '</div>' +
      '</div>' +
      '<div class="row">' +
        '<div class="col-sm-12">' +
          '<div class="table-responsive">' +
            '<table class="table" id="player-table">' +
              '<thead>' +
                '<tr>' +
                  '<th>Actions</th>' +
                  '<th class="sortable" data-field="DisplayName">Username</th>' +
                  '<th class="sortable text-end" data-field="SteamID">Steam ID</th>' +
                  '<th class="sortable text-end" data-field="VoiationLevel">Violation Level</th>' +
                  '<th class="sortable text-end" data-field="Address">Address</th>' +
                  '<th class="sortable text-end" data-field="Ping">Ping</th>' +
                  '<th class="sortable text-end" data-field="ConnectedSeconds">Duration</th>' +
                '</tr>' +
              '</thead>' +
              '<tbody id="player-tbody"></tbody>' +
            '</table>' +
          '</div>' +
        '</div>' +
      '</div>' +
    '</div>';
  container.innerHTML = html;

  var players = [];
  var orderBy = '-ConnectedSeconds';
  var filterText = '';

  function sortPlayers(a, b) {
    var desc = orderBy[0] === '-';
    var field = desc ? orderBy.substring(1) : orderBy;
    var va = a[field], vb = b[field];
    if (typeof va === 'string') va = va.toLowerCase();
    if (typeof vb === 'string') vb = vb.toLowerCase();
    if (va < vb) return desc ? 1 : -1;
    if (va > vb) return desc ? -1 : 1;
    return 0;
  }

  function matchesFilter(p) {
    if (!filterText) return true;
    var ft = filterText.toLowerCase();
    return (p.DisplayName && p.DisplayName.toLowerCase().indexOf(ft) !== -1) ||
           (p.SteamID && p.SteamID.indexOf(ft) !== -1) ||
           (p.Address && p.Address.toLowerCase().indexOf(ft) !== -1);
  }

  function render() {
    var filtered = players.filter(matchesFilter).sort(sortPlayers);
    var tbody = document.getElementById('player-tbody');
    var html = '';
    for (var i = 0; i < filtered.length; i++) {
      var p = filtered[i];
      var fadeClass = (p.VoiationLevel === 0) ? ' class="fade"' : '';
      html +=
        '<tr>' +
          '<td>' +
            '<div class="btn-group">' +
              '<button class="btn btn-secondary dropdown-toggle" type="button" data-bs-toggle="dropdown">' +
                '<i class="bi bi-gear-fill"></i>' +
              '</button>' +
              '<ul class="dropdown-menu">' +
                '<li><a class="dropdown-item" href="http://www.steamcommunity.com/profiles/' + p.SteamID + '" target="_blank"><i class="bi bi-info-circle-fill"></i> Steam Profile</a></li>' +
                '<li><hr class="dropdown-divider"></li>' +
                '<li><a class="dropdown-item kick-player" href="#" data-id="' + p.SteamID + '"><i class="bi bi-trash-fill"></i> Kick</a></li>' +
              '</ul>' +
            '</div>' +
          '</td>' +
          '<td><a href="#/' + address + '/player/' + p.SteamID + '/">' + (p.DisplayName || '') + '</a></td>' +
          '<td class="text-end"><a href="#/' + address + '/player/' + p.SteamID + '/">' + p.SteamID + '</a></td>' +
          '<td class="text-end"' + fadeClass + '>' + (p.VoiationLevel || 0) + '</td>' +
          '<td class="text-end">' + (p.Address || '') + '</td>' +
          '<td class="text-end">' + (p.Ping || 0) + '</td>' +
          '<td class="text-end">' + secondsToDuration(p.ConnectedSeconds || 0) + '</td>' +
        '</tr>';
    }
    tbody.innerHTML = html;

    // Bind kick buttons
    var kicks = tbody.querySelectorAll('.kick-player');
    for (var j = 0; j < kicks.length; j++) {
      kicks[j].addEventListener('click', function (e) {
        e.preventDefault();
        Rcon.command('kick ' + this.dataset.id);
        refresh();
      });
    }
  }

  function refresh() {
    Rcon.getPlayers(function (list) {
      players = list;
      render();
    });
  }

  function updateSortHeaders() {
    var headers = document.querySelectorAll('#player-table .sortable');
    for (var i = 0; i < headers.length; i++) {
      headers[i].className = headers[i].className.replace(/sorting(\s+descending)?/g, '').trim();
      var field = headers[i].dataset.field;
      if (orderBy === field) headers[i].className += ' sorting';
      else if (orderBy === '-' + field) headers[i].className += ' sorting descending';
    }
  }

  document.getElementById('player-refresh').addEventListener('click', refresh);
  document.getElementById('player-filter').addEventListener('input', function () {
    filterText = this.value;
    render();
  });

  // Sort header clicks
  var sortHeaders = document.querySelectorAll('#player-table .sortable');
  for (var k = 0; k < sortHeaders.length; k++) {
    sortHeaders[k].addEventListener('click', function () {
      var field = this.dataset.field;
      orderBy = (orderBy === field) ? '-' + field : field;
      updateSortHeaders();
      render();
    });
  }

  if (Rcon.isConnected()) { refresh(); updateSortHeaders(); }
  else { var _c = function () { refresh(); updateSortHeaders(); Rcon.off('connected', _c); }; Rcon.on('connected', _c); }
}