jQuery(function($) {
  "use strict";

  window.send = function(fn, args) {
    return $.ajax({
      url: "/guff/api/" + fn,
      method: 'POST',
      dataType: 'json',
      data: args,
    });
  };

  window.gripe = function(r, action) {
    // get error
    var error = r.responseText;

    // handle json response
    try {
      var data = $.parseJSON(r.responseText);
      if (data.error)
        error = data.error;
    } catch (e) {}

    // build prefix
    var prefix = 'Error: ';
    if  (action)
      prefix += " Couldn't " + action + ": ";

    // display error message
    alert(prefix + error);
  }

  LuigiTemplate.FILTERS.json = function(val) {
    return JSON.stringify(val);
  };
});