import {MenuController, Menu} from 'ionic-angular';

export function run() {
  describe('MenuController', () => {

    describe('get() without menuId', () => {

      it('should not get a menu if no menus', () => {
        let menu = menuCtrl.get();
        expect(menu).toEqual(null);
      });

      it('should get the only menu', () => {
        let someMenu = mockMenu();
        menuCtrl.register(someMenu);

        let menu = menuCtrl.get();
        expect(menu).toEqual(someMenu);
      });

      it('should get the only menu if menuId === ""', () => {
        let someMenu = mockMenu();
        menuCtrl.register(someMenu);

        let menu = menuCtrl.get('');
        expect(menu).toEqual(someMenu);
      });

      it('should get the enabled menu when multiple menus', () => {
        let someMenu1 = mockMenu();
        someMenu1.enabled = false;
        menuCtrl.register(someMenu1);

        let someMenu2 = mockMenu();
        someMenu2.enabled = true;
        menuCtrl.register(someMenu2);

        let menu = menuCtrl.get();
        expect(menu).toEqual(someMenu2);
      });

    });

    describe('get() by id', () => {

      it('should be null if no menus', () => {
        let menu = menuCtrl.get('myid');
        expect(menu).toEqual(null);
      });

      it('should be null if no matching menus with id', () => {
        let someMenu = mockMenu();
        someMenu.id = 'whatever';
        menuCtrl.register(someMenu);

        let menu = menuCtrl.get('myMenu');
        expect(menu).toEqual(null);
      });

      it('should get the menu by id with matching id', () => {
        let someMenu = mockMenu();
        someMenu.id = 'myMenu';
        menuCtrl.register(someMenu);

        let menu = menuCtrl.get('myMenu');
        expect(menu).toEqual(someMenu);
      });

      it('should get the menu by id with left', () => {
        let someMenu = mockMenu();
        someMenu.id = 'myMenu';
        someMenu.side = 'left';
        menuCtrl.register(someMenu);

        let menu = menuCtrl.get('myMenu');
        expect(menu).toEqual(someMenu);
      });

      it('should get the menu by id with matching id when multiple menus', () => {
        let someMenu1 = mockMenu();
        someMenu1.id = 'myMenu1';
        menuCtrl.register(someMenu1);

        let someMenu2 = mockMenu();
        someMenu2.id = 'myMenu2';
        menuCtrl.register(someMenu2);

        let menu = menuCtrl.get('myMenu1');
        expect(menu).toEqual(someMenu1);

        menu = menuCtrl.get('myMenu2');
        expect(menu).toEqual(someMenu2);
      });

    });

    describe('get() by side', () => {

      it('should not get a menu with a left side if no menus', () => {
        let menu = menuCtrl.get('left');
        expect(menu).toEqual(null);
      });

      it('should not get a menu with a right side if no menus', () => {
        let menu = menuCtrl.get('right');
        expect(menu).toEqual(null);
      });

      it('should get the only left menu', () => {
        let someMenu = mockMenu();
        someMenu.side = 'left';
        menuCtrl.register(someMenu);

        let menu = menuCtrl.get('left');
        expect(menu).toEqual(someMenu);
      });

      it('should get the enabled left menu', () => {
        let someMenu1 = mockMenu();
        someMenu1.side = 'left';
        someMenu1.enabled = false;
        menuCtrl.register(someMenu1);

        let someMenu2 = mockMenu();
        someMenu2.side = 'left';
        someMenu2.enabled = true;
        menuCtrl.register(someMenu2);

        let menu = menuCtrl.get('left');
        expect(menu).toEqual(someMenu2);
      });

      it('should get the first left menu when all are disabled', () => {
        let someMenu1 = mockMenu();
        someMenu1.side = 'left';
        someMenu1.enabled = false;
        menuCtrl.register(someMenu1);

        let someMenu2 = mockMenu();
        someMenu2.side = 'left';
        someMenu2.enabled = false;
        menuCtrl.register(someMenu2);

        let menu = menuCtrl.get('left');
        expect(menu).toEqual(someMenu1);
      });

      it('should get the only right menu', () => {
        let someMenu = mockMenu();
        someMenu.side = 'right';
        menuCtrl.register(someMenu);

        let menu = menuCtrl.get('right');
        expect(menu).toEqual(someMenu);
      });

      it('should get the menu by left with id', () => {
        let someMenu = mockMenu();
        someMenu.id = 'myMenu';
        someMenu.side = 'left';
        menuCtrl.register(someMenu);

        let menu = menuCtrl.get('left');
        expect(menu).toEqual(someMenu);
      });

    });

    describe('enable()', () => {

      it('should enable a menu', () => {
        let someMenu = mockMenu();
        someMenu.enabled = true;
        menuCtrl.register(someMenu);
        someMenu._menuCtrl = menuCtrl;

        let menu = menuCtrl.enable(true);
        expect(menu.enabled).toEqual(true);

        menu = menuCtrl.enable(false);
        expect(menu.enabled).toEqual(false);
      });

      it('should be only one enabled menu on the same side', () => {
        let someMenu1 = mockMenu();
        someMenu1.enabled = true;
        someMenu1.side = 'left';
        someMenu1.id = 'menu1';
        someMenu1._menuCtrl = menuCtrl;
        menuCtrl.register(someMenu1);

        let someMenu2 = mockMenu();
        someMenu2.enabled = false;
        someMenu2.side = 'left';
        someMenu2.id = 'menu2';
        someMenu2._menuCtrl = menuCtrl;
        menuCtrl.register(someMenu2);

        let someMenu3 = mockMenu();
        someMenu3.enabled = true;
        someMenu3.side = 'right';
        someMenu3.id = 'menu2';
        someMenu3._menuCtrl = menuCtrl;
        menuCtrl.register(someMenu3);

        menuCtrl.enable(true, 'menu1');
        expect(someMenu1.enabled).toEqual(true);
        expect(someMenu2.enabled).toEqual(false);
        expect(someMenu3.enabled).toEqual(true);

        menuCtrl.enable(true, 'menu2');
        expect(someMenu1.enabled).toEqual(false);
        expect(someMenu2.enabled).toEqual(true);
        expect(someMenu3.enabled).toEqual(true);

        menuCtrl.enable(true, 'menu1');
        expect(someMenu1.enabled).toEqual(true);
        expect(someMenu2.enabled).toEqual(false);
        expect(someMenu3.enabled).toEqual(true);
      });

    });

    it('should register a menu', () => {
      let menu = mockMenu();
      menuCtrl.register(menu);
      expect(menuCtrl.getMenus().length).toEqual(1);

      let menu2 = mockMenu();
      menuCtrl.register(menu2);
      expect(menuCtrl.getMenus().length).toEqual(2);

      menuCtrl.unregister(menu2);
      menuCtrl.unregister(menu);

      expect(menuCtrl.getMenus().length).toEqual(0);
    });

    let menuCtrl: MenuController;

    beforeEach(() => {
      menuCtrl = new MenuController();
    });

    function mockMenu(): Menu {
      return new Menu(null, null, null, null, null, null, null);
    }

  });
}