import { ApproxStructure, Assertions, FocusTools, Keyboard, Keys, Step } from '@ephox/agar';
import { UnitTest } from '@ephox/bedrock-client';
import { Arr } from '@ephox/katamari';
import { SelectorFind } from '@ephox/sugar';

import * as Behaviour from 'ephox/alloy/api/behaviour/Behaviour';
import { Focusing } from 'ephox/alloy/api/behaviour/Focusing';
import { Keying } from 'ephox/alloy/api/behaviour/Keying';
import { Tabstopping } from 'ephox/alloy/api/behaviour/Tabstopping';
import { AlloyComponent } from 'ephox/alloy/api/component/ComponentApi';
import * as GuiFactory from 'ephox/alloy/api/component/GuiFactory';
import { ToolbarGroup } from 'ephox/alloy/api/ui/ToolbarGroup';
import * as GuiSetup from 'ephox/alloy/test/GuiSetup';

interface TestItemSpec {
  data: {
    value: string;
    text: string;
  };
}

UnitTest.asynctest('ToolbarGroupTest', (success, failure) => {
  const mungeItem = (itemSpec: TestItemSpec) => ({
    dom: {
      tag: 'button',
      innerHtml: itemSpec.data.text,
      classes: [ 'toolbar-item' ]
    },

    behaviours: Behaviour.derive([
      Focusing.config({ })
    ])
  });

  GuiSetup.setup((_store, _doc, _body) => GuiFactory.build(
    {
      dom: {
        tag: 'div'
      },
      components: [
        ToolbarGroup.sketch({
          dom: {
            tag: 'div',
            classes: [ 'test-group1' ]
          },
          components: [
            ToolbarGroup.parts.items({
              dom: {
                tag: 'div',
                classes: [ 'group-items' ]
              }
            })
          ],

          tgroupBehaviours: Behaviour.derive([
            Tabstopping.config({ })
          ]),

          items: Arr.map([{ data: { value: 'a', text: 'A' }}, { data: { value: 'b', text: 'B' }}], mungeItem),
          markers: {
            itemSelector: '.toolbar-item'
          }
        })
      ]
    }
  ), (doc, _body, _gui, component: AlloyComponent, _store) => {

    const group1 = component.getSystem().getByDom(
      SelectorFind.descendant(component.element, '.test-group1').getOrDie('Could not find test-group1')
    ).getOrDie();

    return [
      Assertions.sAssertStructure(
        'Checking initial toolbar groups (group1)',
        ApproxStructure.build((s, str, arr) => s.element('div', {
          classes: [ arr.not('group-items') ],
          attrs: {
            'role': str.is('toolbar'),
            'data-alloy-tabstop': str.is('true')
          },
          children: [
            s.element('button', { html: str.is('A'), classes: [ arr.has('toolbar-item') ] }),
            s.element('button', { html: str.is('B'), classes: [ arr.has('toolbar-item') ] })
          ]
        })),
        group1.element
      ),

      Step.sync(() => {
        Keying.focusIn(group1);
      }),

      FocusTools.sTryOnSelector('Focus should start on A', doc, 'button:contains("A")'),
      Keyboard.sKeydown(doc, Keys.right(), { }),
      FocusTools.sTryOnSelector('Focus should move to B', doc, 'button:contains("B")')
    ];
  }, success, failure);
});
