$(document).ready(function() {
  /* code highlight */
  $('pre code').each(function(i, block) {
    hljs.highlightBlock(block);
  });

  /* zerobin / radio 'source' autoswitch */
  $('#paste').on('change', function() {
    $('input[name=source]').val(['form']);
  });
  $('#upload').on('change', function() {
    $('input[name=source]').val(['file']);
  });

  /* comments */
  $('#comments').load('/comments/get', function() {
    // handle 'add comment' button click
    $('a#cadd').click(function(e) {
      e.preventDefault();
      var url = document.createElement('a');
      url.href = window.location;
      $(this).remove();
      var form = $('<form method="POST" action="/comments/add" id="cadd">');
      $(form).append('<hr />');
      $(form).append('<textarea /><br />');
      $(form).append('<input type="submit" value="Add">');
      $(form).append('<input type="hidden" value="' + escape(url.pathname) + '" name="pageid">');
      $(form).appendTo('#comments');
      // form submit with ajax
      $('#comments form').submit(function(e) {
        e.preventDefault();
        var text = $('#comments textarea').val();
        $.post('/comments/add', {
          'pageid': escape(url.pathname),
          'text':   text,
        }, function() {
          location.reload();
        });
      }); // form submit
    }); // #cadd click
  }); // #comments
});