var extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
  hasProp = {}.hasOwnProperty,
  slice = [].slice;

import {
  TickFormatter
} from "./tick_formatter";

import * as p from "core/properties";

import {
  values
} from "core/util/object";

export var FuncTickFormatter = (function(superClass) {
  extend(FuncTickFormatter, superClass);

  function FuncTickFormatter() {
    return FuncTickFormatter.__super__.constructor.apply(this, arguments);
  }

  FuncTickFormatter.prototype.type = 'FuncTickFormatter';

  FuncTickFormatter.define({
    args: [p.Any, {}],
    code: [p.String, '']
  });

  FuncTickFormatter.prototype.initialize = function(attrs, options) {
    return FuncTickFormatter.__super__.initialize.call(this, attrs, options);
  };

  FuncTickFormatter.prototype._make_func = function() {
    return (function(func, args, ctor) {
      ctor.prototype = func.prototype;
      var child = new ctor, result = func.apply(child, args);
      return Object(result) === result ? result : child;
    })(Function, ["tick"].concat(slice.call(Object.keys(this.args)), ["require"], [this.code]), function(){});
  };

  FuncTickFormatter.prototype.doFormat = function(ticks, loc) {
    var func, tick;
    func = this._make_func();
    return (function() {
      var i, len, results;
      results = [];
      for (i = 0, len = ticks.length; i < len; i++) {
        tick = ticks[i];
        results.push(func.apply(null, [tick].concat(slice.call(values(this.args)), [require])));
      }
      return results;
    }).call(this);
  };

  return FuncTickFormatter;

})(TickFormatter);