import React from 'react';
import ReactDOM from 'react-dom';
import ReactModal from 'react-modal';
import { expect } from 'chai';
import { mount, ReactWrapper } from 'enzyme';
import assign from 'lodash.assign';
import TestUtils from 'react-addons-test-utils';

import IconSettings from '../../icon-settings';
import AppLauncher from '../../app-launcher';
import AppLauncherTile from '../../app-launcher/tile';
import AppLauncherSection from '../../app-launcher/section';
import Search from '../../forms/input/search';
import Button from '../../button';

/* eslint-disable react/no-find-dom-node */

const should = chai.should();

const { Simulate } = TestUtils;

describe('SLDS APP LAUNCHER *******************************************', () => {
	const handles = {
		appLauncher: null,
		appLauncherIcon: null,
		modal: null
	};

	const defaultAppLauncherProps = {
		isOpen: true
	};

	const createAppLauncher = (props) =>
		React.createElement(
			AppLauncher,
			assign({}, defaultAppLauncherProps, props),
			<AppLauncherSection title="All Items">
				<AppLauncherTile title="Marketing Cloud" />
				<AppLauncherTile title="Support Cloud" />
			</AppLauncherSection>
		);

	function mountAppLauncher (props) {
		handles.appLauncher = mount(
			<IconSettings iconPath="/assets/icons">
				{createAppLauncher(props)}
			</IconSettings>
		);

		handles.appLauncherIcon = handles.appLauncher.find(
			'.slds-context-bar__icon-action'
		);

		/*
		 * How to write tests for react-modal using portal
		 * http://remarkablemark.org/blog/2017/05/17/testing-react-modal/
		 */
		const portalNode = ReactDOM.findDOMNode(
			handles.appLauncher.find(ReactModal).node.portal
		); // eslint-disable-line react/no-find-dom-node

		// Wrap the modal portal in an Enzyme wrapper
		handles.modal = new ReactWrapper(
			handles.appLauncher.find(ReactModal).node.portal,
			true
		);
	}

	function cleanDom () {
		// Removes the modal container element from the bottom of the DOM, this will prevent the 'setState' errors
		// gotta be a better way to do this..
		const modalWrapper = document.documentElement.querySelectorAll(
			'.ReactModalPortal'
		)[0];

		if (modalWrapper) {
			modalWrapper.parentNode.removeChild(modalWrapper);
		}
	}

	// ///////////////////////
	// ////// T O D O ////////
	// ///////////////////////
	// APP LAUNCHER -----
	// tabs?
	// if you pass a isOpen prop, you must control the component with it (this.state.isOpen will now work)
	// (#591, waiting on #590) modal content has classes: slds-modal__content slds-app-launcher__content slds-p-around--medium

	describe('App Launcher', () => {
		let onClose;

		beforeEach(() => {
			onClose = sinon.spy();

			mountAppLauncher({
				modalClassName: 'custom-modal-class',
				modalHeaderButton: <Button label="App Exchange" />,
				onClose,
				search: <Search assistiveText="Find an app" />,
				title: 'App Launcher!'
			});
		});

		afterEach(() => {
			cleanDom();
		});

		it('renders modal', () => {
			should.exist(handles.modal);
		});

		it('renders custom modal class', () => {
			should.exist(handles.modal.find('.custom-modal-class'));
		});

		it('renders modal header', () => {
			should.exist(handles.modal.find('.slds-app-launcher__header'));
		});

		it('app launcher title can be set', () => {
			expect(
				handles.modal.contains(
					<h2 className="slds-text-heading--medium">App Launcher!</h2>
				)
			).to.equal(true);
		});

		it('renders search bar', () => {
			should.exist(handles.modal.find(Search));
		});

		it('renders search bar with proper class', () => {
			should.exist(handles.modal.find('.slds-app-launcher__header-search'));
		});

		it('renders `modalHeaderButton`', () => {
			should.exist(handles.modal.find(Button).at(1));
		});

		it('closing modal fires callback', () => {
			Simulate.click(handles.modal.find('.slds-modal__close').node);
			expect(onClose.calledOnce).to.be.true; // eslint-disable-line no-unused-expressions
		});

		it('close modal callback receives original event as arg', () => {
			Simulate.click(handles.modal.find('.slds-modal__close').node);
			expect(onClose.args.length).to.equal(1);
		});

		it('renders modal content', () => {
			should.exist(
				handles.modal.find(
					'.slds-modal__content .slds-app-launcher__content .slds-p-around--medium'
				)
			);
		});

		it('app launcher can be passed children', () => {
			should.exist(handles.modal.find('SLDSAppLauncherSection'));
			expect(handles.modal.find('SLDSAppLauncherTile').length).to.equal(2);
		});
	});

	describe('App Launcher Icon', () => {
		let triggerOnClick;

		beforeEach(() => {
			triggerOnClick = sinon.spy();

			mountAppLauncher({
				triggerAssistiveText: 'Custom Icon Assistive Text',
				triggerOnClick
			});
		});

		afterEach(() => {
			cleanDom();
		});

		it('renders App Launcer icon', () => {
			should.exist(handles.appLauncherIcon);
		});

		it('renders all App Launcher dots', () => {
			expect(
				handles.appLauncherIcon
					.find('.slds-icon-waffle')
					.containsAllMatchingElements([
						<span className="slds-r1" />,
						<span className="slds-r2" />,
						<span className="slds-r3" />,
						<span className="slds-r4" />,
						<span className="slds-r5" />,
						<span className="slds-r6" />,
						<span className="slds-r7" />,
						<span className="slds-r8" />,
						<span className="slds-r9" />
					])
			).to.equal(true);
		});

		it('App Launcher Icon link has proper classes', () => {
			expect(handles.appLauncherIcon.find('button').node.className).to.include(
				'slds-icon-waffle_container slds-context-bar__button'
			);
		});

		it('clicking App Launcher Icon fires callback', () => {
			Simulate.click(handles.appLauncherIcon.find('button').node);
			expect(triggerOnClick.calledOnce).to.be.true; // eslint-disable-line no-unused-expressions
		});

		it('App Launcher Icon callback receives original event as arg', () => {
			Simulate.click(handles.appLauncherIcon.find('button').node);
			expect(triggerOnClick.args.length).to.equal(1);
		});

		it('renders assistive text from prop', () => {
			expect(
				handles.appLauncherIcon.find('.slds-assistive-text').text()
			).to.equal('Custom Icon Assistive Text');
		});
	});
});