import { Assertions, Chain, NamedChain } from '@ephox/agar';
import { UnitTest } from '@ephox/bedrock-client';
import { Fun } from '@ephox/katamari';
import * as GuiFactory from 'ephox/alloy/api/component/GuiFactory';
import * as GuiSetup from 'ephox/alloy/api/testhelpers/GuiSetup';
import { Button } from 'ephox/alloy/api/ui/Button';
import { Container } from 'ephox/alloy/api/ui/Container';
import * as ChainUtils from 'ephox/alloy/test/ChainUtils';
import * as PositionTestUtils from 'ephox/alloy/test/PositionTestUtils';
import * as Sinks from 'ephox/alloy/test/Sinks';
UnitTest.asynctest('MakeshiftPositionTest', (success, failure) => {
    GuiSetup.setup((_store, _doc, _body) => {
        const button = GuiFactory.build(Button.sketch({
            action: Fun.noop,
            dom: {
                styles: {
                    position: 'absolute',
                    left: '100px',
                    top: '120px'
                },
                innerHtml: 'Button',
                tag: 'button'
            },
            uid: 'button'
        }));
        return GuiFactory.build(Container.sketch({
            components: [
                GuiFactory.premade(Sinks.fixedSink()),
                GuiFactory.premade(Sinks.relativeSink()),
                GuiFactory.premade(Sinks.popup()),
                GuiFactory.premade(button)
            ]
        }));
    }, (_doc, _body, gui, _component, _store) => {
        const cSetupAnchor = (x, y) => Chain.injectThunked(() => ({
            type: 'makeshift',
            x,
            y
        }));
        const cAssertPopupNotInNoFitPosition = Chain.op((popup) => {
            const box = popup.element.dom.getBoundingClientRect();
            Assertions.assertEq('Assert not attached to the bottom of the viewport (eg nofit)', true, box.bottom !== window.innerHeight);
        });
        return [
            Chain.asStep({}, [
                NamedChain.asChain([
                    ChainUtils.cFindUids(gui, {
                        fixed: 'fixed-sink',
                        relative: 'relative-sink',
                        popup: 'popup',
                        button: 'button'
                    }),
                    NamedChain.write('anchor', cSetupAnchor(100, 100)),
                    PositionTestUtils.cTestSink('Relative, not scrolled', 'relative'),
                    PositionTestUtils.cTestSink('Fixed, not scrolled', 'fixed'),
                    PositionTestUtils.cScrollDown('button', '2000px'),
                    NamedChain.write('anchor', cSetupAnchor(100, 2100)),
                    PositionTestUtils.cTestSink('Relative, scrolled 2000px', 'relative'),
                    PositionTestUtils.cTestSink('Fixed, scrolled 2000px', 'fixed'),
                    NamedChain.direct('popup', cAssertPopupNotInNoFitPosition, '_')
                ])
            ])
        ];
    }, success, failure);
});
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