var MenuItem, methodInBrowserWindow, nextCommandId, rolesMap;

nextCommandId = 0;

// Maps role to methods of webContents
rolesMap = {
  undo: 'undo',
  redo: 'redo',
  cut: 'cut',
  copy: 'copy',
  paste: 'paste',
  selectall: 'selectAll',
  minimize: 'minimize',
  close: 'close',
  delete: 'delete'
};

// Maps methods that should be called directly on the BrowserWindow instance
methodInBrowserWindow = {
  minimize: true,
  close: true
};

MenuItem = (function() {
  MenuItem.types = ['normal', 'separator', 'submenu', 'checkbox', 'radio'];

  function MenuItem(options) {
    var click, ref;
    const Menu = require('electron').Menu;
    click = options.click, this.selector = options.selector, this.type = options.type, this.role = options.role, this.label = options.label, this.sublabel = options.sublabel, this.accelerator = options.accelerator, this.icon = options.icon, this.enabled = options.enabled, this.visible = options.visible, this.checked = options.checked, this.submenu = options.submenu;
    if ((this.submenu != null) && this.submenu.constructor !== Menu) {
      this.submenu = Menu.buildFromTemplate(this.submenu);
    }
    if ((this.type == null) && (this.submenu != null)) {
      this.type = 'submenu';
    }
    if (this.type === 'submenu' && ((ref = this.submenu) != null ? ref.constructor : void 0) !== Menu) {
      throw new Error('Invalid submenu');
    }
    this.overrideReadOnlyProperty('type', 'normal');
    this.overrideReadOnlyProperty('role');
    this.overrideReadOnlyProperty('accelerator');
    this.overrideReadOnlyProperty('icon');
    this.overrideReadOnlyProperty('submenu');
    this.overrideProperty('label', '');
    this.overrideProperty('sublabel', '');
    this.overrideProperty('enabled', true);
    this.overrideProperty('visible', true);
    this.overrideProperty('checked', false);
    if (MenuItem.types.indexOf(this.type) === -1) {
      throw new Error("Unknown menu type " + this.type);
    }
    this.commandId = ++nextCommandId;
    this.click = (function(_this) {
      return function(focusedWindow) {

        // Manually flip the checked flags when clicked.
        var methodName, ref1, ref2;
        if ((ref1 = _this.type) === 'checkbox' || ref1 === 'radio') {
          _this.checked = !_this.checked;
        }
        if (_this.role && rolesMap[_this.role] && process.platform !== 'darwin' && (focusedWindow != null)) {
          methodName = rolesMap[_this.role];
          if (methodInBrowserWindow[methodName]) {
            return focusedWindow[methodName]();
          } else {
            return (ref2 = focusedWindow.webContents) != null ? ref2[methodName]() : void 0;
          }
        } else if (typeof click === 'function') {
          return click(_this, focusedWindow);
        } else if (typeof _this.selector === 'string' && process.platform === 'darwin') {
          return Menu.sendActionToFirstResponder(_this.selector);
        }
      };
    })(this);
  }

  MenuItem.prototype.overrideProperty = function(name, defaultValue) {
    if (defaultValue == null) {
      defaultValue = null;
    }
    return this[name] != null ? this[name] : this[name] = defaultValue;
  };

  MenuItem.prototype.overrideReadOnlyProperty = function(name, defaultValue) {
    if (defaultValue == null) {
      defaultValue = null;
    }
    if (this[name] == null) {
      this[name] = defaultValue;
    }
    return Object.defineProperty(this, name, {
      enumerable: true,
      writable: false,
      value: this[name]
    });
  };

  return MenuItem;

})();

module.exports = MenuItem;