import { FocusTools, Keyboard, Keys, RealKeys, UiControls } from '@ephox/agar';
import { UnitTest } from '@ephox/bedrock-client';
import { Arr, Future, Optional, Result } from '@ephox/katamari';
import { Value } from '@ephox/sugar';
import * as GuiFactory from 'ephox/alloy/api/component/GuiFactory';
import * as GuiSetup from 'ephox/alloy/api/testhelpers/GuiSetup';
import { Container } from 'ephox/alloy/api/ui/Container';
import { tieredMenu as TieredMenu } from 'ephox/alloy/api/ui/TieredMenu';
import { Typeahead } from 'ephox/alloy/api/ui/Typeahead';
import * as TestDropdownMenu from 'ephox/alloy/test/dropdown/TestDropdownMenu';
import * as Sinks from 'ephox/alloy/test/Sinks';
import TestTypeaheadSteps from 'ephox/alloy/test/typeahead/TestTypeaheadSteps';
UnitTest.asynctest('TypeaheadTriggerTest (webdriver)', (success, failure) => {
    GuiSetup.setup((store, _doc, _body) => {
        const sink = Sinks.relativeSink();
        return GuiFactory.build(Container.sketch({
            components: [
                GuiFactory.premade(sink),
                Typeahead.sketch({
                    uid: 'test-type',
                    inputClasses: ['test-typeahead'],
                    minChars: 2,
                    initialData: {
                        value: 'initial-value',
                        meta: {
                            text: 'initial-value'
                        }
                    },
                    markers: {
                        openClass: 'test-typeahead-open'
                    },
                    fetch: (input) => {
                        const text = Value.get(input.element);
                        const future = Future.pure([
                            { type: 'item', data: { value: text + '1', meta: { text: text + '1' } } },
                            { type: 'item', data: { value: text + '2', meta: { text: text + '2' } } }
                        ]);
                        return future.map((f) => {
                            // TODO: Test this.
                            const items = text === 'no-data' ? [
                                { type: 'separator', data: { value: '', meta: { text: 'No data' } } }
                            ] : f;
                            const menu = TestDropdownMenu.renderMenu({
                                value: 'blah',
                                items: Arr.map(items, TestDropdownMenu.renderItem)
                            });
                            return Optional.some(TieredMenu.singleData('blah.overall', menu));
                        });
                    },
                    lazySink: (c) => {
                        TestDropdownMenu.assertLazySinkArgs('input', 'test-typeahead', c);
                        return Result.value(sink);
                    },
                    parts: {
                        menu: TestDropdownMenu.part(store)
                    }
                })
            ]
        }));
    }, (doc, _body, gui, _component, _store) => {
        const typeahead = gui.getByUid('test-type').getOrDie();
        const steps = TestTypeaheadSteps(doc, gui, typeahead);
        return [
            FocusTools.sSetFocus('Focusing typeahead', gui.element, 'input'),
            GuiSetup.mAddStyles(doc, [
                '.test-typeahead-selected-item { background-color: #cadbee; }'
            ]),
            steps.sAssertValue('Initial value of typeahead', 'initial-value'),
            UiControls.sSetValue(typeahead.element, 'a-'),
            // check that the typeahead is not open.
            steps.sWaitForNoMenu('Initially, there should be no menu'),
            RealKeys.sSendKeysOn('input', [
                RealKeys.text('test-page')
            ]),
            steps.sWaitForMenu('User typed into input'),
            // Focus should still be in the typeahead.
            steps.sAssertFocusOnTypeahead('Focus after menu shows up'),
            RealKeys.sSendKeysOn('input', [
                RealKeys.backspace()
            ]),
            // Focus should still be in the typeahead.
            steps.sAssertFocusOnTypeahead('Focus after backspace'),
            Keyboard.sKeydown(doc, Keys.down(), {}),
            // Focus should still be in the typeahead.
            steps.sAssertFocusOnTypeahead('Focus after <down>')
        ];
    }, success, failure);
});
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