var request = null;
var timeoutID = null;

$('#search').on('input', function () {
  var query = $(this).val();
  var timeoutMs = 100;

  if (timeoutID !== null) {
    window.clearTimeout(timeoutID);
  }

  timeoutID = window.setTimeout(function () {
    request = $.ajax({
      type: "POST",
      url: "query",
      contentType: 'application/json',
      data: JSON.stringify({ 'query': query }),
      contentType: 'application/json',
      success: function (data, textStatus, request) {
        let httpResults = Papa.parse(data, { delimiter: ",", header: true, skipEmptyLines: true });
        results.innerHTML = '';

        let timeSpent = request.getResponseHeader('Time-Ms');
        let numberOfDocuments = httpResults.data.length;
        count.innerHTML = `${numberOfDocuments}`;
        time.innerHTML = `${timeSpent}ms`;
        time.classList.remove('fade-in-out');

        for (element of httpResults.data) {
          const elem = document.createElement('li');
          elem.classList.add("document");

          const ol = document.createElement('ol');

          for (const prop in element) {
            const field = document.createElement('li');
            field.classList.add("field");

            const attribute = document.createElement('div');
            attribute.classList.add("attribute");
            attribute.innerHTML = prop;

            const content = document.createElement('div');
            content.classList.add("content");
            content.innerHTML = element[prop];

            field.appendChild(attribute);
            field.appendChild(content);

            ol.appendChild(field);
          }

          elem.appendChild(ol);
          results.appendChild(elem)
        }

      },
      beforeSend: function () {
        if (request !== null) {
          request.abort();
          time.classList.add('fade-in-out');
        }
      },
    });
  }, timeoutMs);
});

// Make the number of document a little bit prettier
$('#docs-count').text(function(index, text) {
  return parseInt(text).toLocaleString()
});

// Make the database a little bit easier to read
$('#db-size').text(function(index, text) {
  return filesize(parseInt(text))
});

// We trigger the input when we load the script, this way
// we execute a placeholder search when the input is empty.
$(window).on('load', function () {
  $('#search').trigger('input');
});