var $ = global.jquery = require('jquery');

jQuery(function ($) {
  function split(val) {
    return val.split(/,\s*/);
  }
  function extractLast(term) {
    return split(term).pop();
  }


  $('#value').bind('keydown', function (event) {
    if (event.keyCode === $.ui.keyCode.TAB && $(this).data('ui-autocomplete').menu.active) {
      event.preventDefault();
    }
  }).autocomplete({
    source: function (request, response) {
      $.getJSON('./?view=tags', {
        term: extractLast(request.term),
        //id: $(':hidden#entry_id').val()
      }, response);
    },
    search: function () {
      // custom minLength
      var term = extractLast(this.value);
      if (term.length < 1) {
        return false;
      }
    },
    focus: function () {
      // prevent value inserted on focus
      return false;
    },
    select: function (event, ui) {
      var terms = split(this.value);
      // remove the current input
      terms.pop();
      // add the selected item
      terms.push(ui.item.value);
      // add placeholder to get the comma-and-space at the end
      terms.push('');
      this.value = terms.join(', ');
      return false;
    },
  });
});