import { Assertions, Chain, FocusTools, GeneralSteps, Keyboard, Keys, Logger, Step } from '@ephox/agar';
import { UnitTest } from '@ephox/bedrock-client';
import { Arr, Future, Optional, Result } from '@ephox/katamari';
import { Focus } from '@ephox/sugar';
import * as Behaviour from 'ephox/alloy/api/behaviour/Behaviour';
import { Focusing } from 'ephox/alloy/api/behaviour/Focusing';
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 * as TestBroadcasts from 'ephox/alloy/test/TestBroadcasts';
import TestTypeaheadSteps from 'ephox/alloy/test/typeahead/TestTypeaheadSteps';
UnitTest.asynctest('Browser Test: .ui.typeahead.TypeaheadNoBlurTest', (success, failure) => {
    GuiSetup.setup((store, _doc, _body) => {
        const sink = Sinks.relativeSink();
        return GuiFactory.build(Container.sketch({
            components: [
                GuiFactory.premade(sink),
                Typeahead.sketch({
                    dismissOnBlur: false,
                    minChars: 2,
                    uid: 'test-type',
                    inputClasses: ['test-typeahead'],
                    markers: {
                        // TODO: Test this
                        openClass: 'test-typeahead-open'
                    },
                    initialData: {
                        value: 'initial-value',
                        meta: {
                            text: 'initial-value'
                        }
                    },
                    fetch: (_input) => {
                        const future = Future.pure([
                            { type: 'item', data: { value: 'choice1', meta: { text: 'choice1' } } },
                            { type: 'item', data: { value: 'choice2', meta: { text: 'choice2' } } }
                        ]);
                        return future.map((items) => {
                            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)
                    }
                })
            ],
            containerBehaviours: Behaviour.derive([
                Focusing.config({})
            ])
        }));
    }, (doc, _body, gui, component, _store) => {
        const typeahead = gui.getByUid('test-type').getOrDie();
        const steps = TestTypeaheadSteps(doc, gui, typeahead);
        return [
            GuiSetup.mAddStyles(doc, [
                '.selected-item { background-color: #cadbee; }'
            ]),
            FocusTools.sSetFocus('Focusing typeahead', gui.element, 'input'),
            Keyboard.sKeydown(doc, Keys.down(), {}),
            steps.sWaitForMenu('Down to activate menu'),
            TestBroadcasts.sDismiss('outer gui element: should close', gui, gui.element),
            steps.sWaitForNoMenu('Broadcasting dismiss on outer gui context should close popup'),
            Keyboard.sKeydown(doc, Keys.down(), {}),
            steps.sWaitForMenu('Down to activate menu'),
            // Focus something else.
            Step.sync(() => {
                Focus.focus(component.element);
            }),
            Step.wait(100),
            steps.sWaitForMenu('Blurring should NOT dismiss popup due to setting'),
            Step.sync(() => {
                Focus.focus(typeahead.element);
            }),
            Keyboard.sKeyup(doc, Keys.escape(), {}),
            steps.sWaitForNoMenu('Escape should still dismiss regardless of setting'),
            Logger.t('Checking that with dismissOnBlur = false, we can still select items', GeneralSteps.sequence([
                Keyboard.sKeydown(doc, Keys.down(), {}),
                steps.sWaitForMenu('Down to activate menu again'),
                Logger.t('Choose an item with <enter> key', Keyboard.sKeydown(doc, Keys.enter(), {})),
                Chain.asStep(component.element, [
                    FocusTools.cGetActiveValue,
                    Assertions.cAssertEq('Active value should be the first option', 'choice1')
                ]),
                steps.sWaitForNoMenu('Selecting an item should close the menu')
            ])),
            GuiSetup.mRemoveStyles
        ];
    }, success, failure);
});
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