import { describe, it } from '@ephox/bedrock-client';
import { Fun } from '@ephox/katamari';
import { SugarElement, SugarPosition } from '@ephox/sugar';
import { assert } from 'chai';
import { bounds } from 'ephox/alloy/alien/Boxes';
import * as Layout from 'ephox/alloy/positioning/layout/Layout';
import * as Bounder from 'ephox/alloy/positioning/view/Bounder';
describe('BounderToolbuttonTest', () => {
    const check = (expected, preference, anchor, panel, bubbles, bounds) => {
        const placee = SugarElement.fromTag('div');
        const actual = Bounder.attempts(placee, preference, anchor, panel, bubbles, bounds);
        assert.equal(actual.layout, expected.layout, 'layout');
        assert.equal(actual.rect.x, expected.x, 'X');
        assert.equal(actual.rect.y, expected.y, 'Y');
        if (expected.candidateY !== undefined) {
            assert.equal(actual.testY, expected.candidateY, 'Candidate Y');
        }
    };
    // Layout is for boxes with a bubble pointing to a cursor position (vertically aligned to nearest side)
    // We use it for toolbar buttons, like naughty hobbitses, so this test will change (TBIO-2326) because right now it's insane.
    const bubble = (width) => {
        const northeast = () => ({
            offset: SugarPosition(-1, 1),
            classesOn: [],
            classesOff: []
        });
        const northwest = () => ({
            offset: SugarPosition(width - 1, 1),
            classesOn: [],
            classesOff: []
        });
        const southeast = () => ({
            offset: SugarPosition(-1, -2),
            classesOn: [],
            classesOff: []
        });
        const southwest = () => ({
            offset: SugarPosition(width - 1, -2),
            classesOn: [],
            classesOff: []
        });
        const south = () => ({
            offset: SugarPosition(-1, 1),
            classesOn: [],
            classesOff: []
        });
        const north = () => ({
            offset: SugarPosition(-1, 1),
            classesOn: [],
            classesOff: []
        });
        const east = () => ({
            offset: SugarPosition(-1, 1),
            classesOn: [],
            classesOff: []
        });
        const west = () => ({
            offset: SugarPosition(-1, 1),
            classesOn: [],
            classesOff: []
        });
        const notImplemented = Fun.die('Not implemented');
        return {
            northwest,
            northeast,
            southwest,
            southeast,
            south,
            north,
            east,
            west,
            insetSouthwest: notImplemented,
            insetSoutheast: notImplemented,
            insetSouth: notImplemented,
            insetNorthwest: notImplemented,
            insetNortheast: notImplemented,
            insetNorth: notImplemented,
            insetWest: notImplemented,
            insetEast: notImplemented
        };
    };
    const four = [Layout.southeast, Layout.southwest, Layout.northeast, Layout.northwest];
    const two = [Layout.east, Layout.west];
    const panelBox = bounds(0, 0, 100, 75);
    const bigPanel = bounds(0, 0, 75, 500);
    const view = bounds(50, 50, 350, 220);
    const bubb = bubble(32);
    it('an empty input array is invalid and just returns anchor coordinates', () => {
        check({
            layout: 'none',
            x: 0,
            y: 0
        }, [], bounds(0, 0, 10, 10), bounds(0, 0, 50, 50), bubble(0), bounds(0, 0, 1000, 1000));
        check({
            layout: 'none',
            x: 100,
            y: 0
        }, [], bounds(100, 0, 200, 50), bounds(0, 0, 150, 25), bubble(10), bounds(0, 0, 1000, 1000));
    });
    /*
     * The expected values include the calculations that layout and bounder are doing
     */
    it('southeast', () => {
        const anchor = bounds(100, 55, 10, 10);
        check({
            layout: 'layout-southeast',
            x: anchor.x - 1,
            y: anchor.bottom - 2 // 63
        }, four, anchor, panelBox, bubb, view);
    });
    it('southwest', () => {
        const anchor = bounds(320, 55, 30, 10);
        check({
            layout: 'layout-southwest',
            x: anchor.right - panelBox.width + 31,
            y: anchor.bottom - 2 // 63
        }, four, anchor, panelBox, bubb, view);
    });
    it('northeast', () => {
        const anchor = bounds(140, 235, 10, 10);
        check({
            layout: 'layout-northeast',
            x: anchor.x - 1,
            y: anchor.y - panelBox.height + 1 // 161
        }, four, anchor, panelBox, bubb, view);
    });
    it('northwest', () => {
        const anchor = bounds(320, 235, 10, 10);
        check({
            layout: 'layout-northwest',
            x: anchor.right - panelBox.width + 31,
            y: anchor.y - panelBox.height + 1 // 161
        }, four, anchor, panelBox, bubb, view);
    });
    it('all fit -> southeast because of order of preference', () => {
        const anchor = bounds(270, 100, 10, 10);
        check({
            layout: 'layout-southeast',
            x: anchor.x - 1,
            y: anchor.bottom - 2 // 108
        }, four, anchor, panelBox, bubb, view);
    });
    it('none near top left -> best fit is southeast', () => {
        const anchor = bounds(55, 55, 10, 10);
        check({
            layout: 'layout-southeast',
            x: anchor.x - 1,
            y: anchor.bottom - 2 // 63
        }, four, anchor, bigPanel, bubb, view);
    });
    it('none near top right -> best fit is southwest', () => {
        const anchor = bounds(350, 55, 10, 10);
        check({
            layout: 'layout-southwest',
            x: anchor.right - bigPanel.width + 31,
            y: anchor.bottom - 2 // 63
        }, four, anchor, bigPanel, bubb, view);
    });
    it('none near bottom left -> best fit is northeast', () => {
        const anchor = bounds(55, 200, 10, 10);
        check({
            layout: 'layout-northeast',
            x: anchor.x - 1,
            y: view.y,
            candidateY: anchor.y - bigPanel.height + 1, // -299
        }, four, anchor, bigPanel, bubb, view);
    });
    it('none near bottom right -> best fit is northwest', () => {
        const anchor = bounds(350, 200, 10, 10);
        check({
            layout: 'layout-northwest',
            x: anchor.right - bigPanel.width + 31,
            y: view.y,
            candidateY: anchor.y - bigPanel.height + 1, // -299
        }, four, anchor, bigPanel, bubb, view);
    });
    it('southeast (1px short on x and y)', () => {
        // Note: The additional +1/+2 here is to account for the southeast bubble x/y offsets
        const anchor = bounds(view.right - panelBox.width + 1 - 1, view.bottom - panelBox.height - 10 + 2 - 1, 10, 10);
        check({
            layout: 'layout-southeast',
            x: anchor.x - 1,
            y: anchor.bottom - 2, // 194
        }, four, anchor, panelBox, bubb, view);
    });
    it('southeast (exactly for x and y)', () => {
        // Note: The additional +1/+2 here is to account for the southeast bubble x/y offsets
        const anchor = bounds(view.right - panelBox.width + 1, view.bottom - panelBox.height - 10 + 2, 10, 10);
        check({
            layout: 'layout-southeast',
            x: anchor.x - 1,
            y: anchor.bottom - 2, // 195
        }, four, anchor, panelBox, bubb, view);
    });
    it('southeast -> southwest (1px too far on x)', () => {
        // Note: The additional +1/+2 here is to account for the southeast bubble x/y offsets
        const anchor = bounds(view.right - panelBox.width + 1 + 1, view.bottom - panelBox.height - 10 + 2, 10, 10);
        check({
            layout: 'layout-southwest',
            x: anchor.right - panelBox.width + 31,
            y: anchor.bottom - 2, // 195
        }, four, anchor, panelBox, bubb, view);
    });
    it('southeast -> northeast (1px too far on y)', () => {
        // Note: The additional +1/+2 here is to account for the southeast bubble x/y offsets
        const anchor = bounds(view.right - panelBox.width + 1, view.bottom - panelBox.height - 10 + 2 + 1, 10, 10);
        check({
            layout: 'layout-northeast',
            x: anchor.x - 1,
            y: anchor.y - panelBox.height + 1 // 114
        }, four, anchor, panelBox, bubb, view);
    });
    it('southeast -> northwest (1px too far on x and y)', () => {
        // Note: The additional +1/+2 here is to account for the southeast bubble x/y offsets
        const anchor = bounds(view.right - panelBox.width + 1 + 1, view.bottom - panelBox.height - 10 + 2 + 1, 10, 10);
        check({
            layout: 'layout-northwest',
            x: anchor.right - panelBox.width + 31,
            y: anchor.y - panelBox.height + 1 // 114
        }, four, anchor, panelBox, bubb, view);
    });
    it('east', () => {
        const anchor = bounds(55, 150, 10, 10);
        check({
            layout: 'layout-east',
            x: anchor.right - 1,
            y: anchor.y + (anchor.height / 2) - (panelBox.height / 2) + 1 // 118.5
        }, two, anchor, panelBox, bubb, view);
    });
    it('none near bottom left -> best fit is east (limited to bottom bounds)', () => {
        const anchor = bounds(55, 240, 10, 10);
        check({
            layout: 'layout-east',
            x: anchor.right - 1,
            y: view.bottom - panelBox.height // 195 - constrained within viewport
        }, two, anchor, panelBox, bubb, view);
    });
    it('none near top left -> best fit is east (limited to top bounds)', () => {
        const anchor = bounds(55, 80, 10, 10);
        check({
            layout: 'layout-east',
            x: anchor.right - 1,
            y: view.y, // 50 - constrained within viewport
        }, two, anchor, panelBox, bubb, view);
    });
    it('west', () => {
        const anchor = bounds(350, 150, 10, 10);
        check({
            layout: 'layout-west',
            x: anchor.x - panelBox.width - 1,
            y: anchor.y + (anchor.height / 2) - (panelBox.height / 2) + 1 // 118.5
        }, two, anchor, panelBox, bubb, view);
    });
    it('none near bottom right -> best fit is west (limited to bottom bounds)', () => {
        const anchor = bounds(350, 240, 10, 10);
        check({
            layout: 'layout-west',
            x: anchor.x - panelBox.width - 1,
            y: view.bottom - panelBox.height // 195 - constrained within viewport
        }, two, anchor, panelBox, bubb, view);
    });
    it('none near top right -> best fit is west (limited to top bounds)', () => {
        const anchor = bounds(350, 80, 10, 10);
        check({
            layout: 'layout-west',
            x: anchor.x - panelBox.width - 1,
            y: view.y, // 50 - constrained within viewport
        }, two, anchor, panelBox, bubb, view);
    });
});
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