text: import React, { Component, Fragment } from 'react';
  import Transition from 'react-transition-group/Transition';
  import Helmet from 'react-helmet';
  import { DEFAULT_SETTINGS } from 'config.js';
  import { SettingsPanel } from 'components/SettingsPanel/SettingsPanel';
  import { Spinner } from 'components/Spinner/Spinner';
  import { SharingPanel } from 'components/SharingPanel/SharingPanel';
  import { exitTransitionMs } from 'components/Modal/Modal.styles';
  import { SettingsIcon } from 'shared/icons/SettingsIcon';
  import { CloseIcon, ShareIcon } from 'shared/icons';
  import { getShareUrl, setUrlParams } from 'utils/url';
  import { getParsedQueryParams } from 'utils/parse';
  import { stopEvent } from 'utils/event';
  import { AccessibleText } from 'styles/mixins';
  import { getTitle } from './App.utils';
  import { GlobalStyle } from '../styles';
  import {
  	Wrapper,
  	Canvas,
  	Controls,
  	SharingButton,
  	SettingsButton,
  	SettingsModal,
  	SharingModal,
  } from './App.styles';
  
  class App extends Component {
  	state = {
  		isSettingsOpen: false,
  		isSharingOpen: false,
  		isAutoFontColor: true,
  		isLoadingShareUrl: false,
  		shareUrl: '',
  		...getParsedQueryParams(),
  	};
  
  	componentDidMount() {
  		window.addEventListener('popstate', this.alignStateWithQueryParams, false);
  	}
  
  	componentWillUnmount() {
  		window.removeEventListener('popstate', this.alignStateWithQueryParams);
  	}
  
  	render() {
  		const {
  			// app-based
  			isSettingsOpen,
  			isSharingOpen,
  			isAutoFontColor,
  			isLoadingShareUrl,
  			shareUrl,
  			// content-based
  			text,
  			bgColor,
  			fontColor,
  			fontSize,
  			fontStyle,
  		} = this.state;
  
  		const title = getTitle(text);
  
  		return (
  			<Wrapper>
  				<GlobalStyle />
  				<Helmet>
  					<title>{title}</title>
  					<body bgColor={bgColor} />
  				</Helmet>
  				<Canvas
  					fontColor={fontColor}
  					fontSize={fontSize}
  					fontStyle={fontStyle}
  					text={text}
  					changeText={text => this.setState({ text })}
  				/>
  				<Controls isActive={isSettingsOpen || isSharingOpen}>
  					<SettingsButton
  						isSelected={isSettingsOpen}
  						onClick={this.toggleSettingsPanel}
  					>
  						{isSettingsOpen ? (
  							<Fragment>
  								<AccessibleText>Close sharing panel</AccessibleText>
  								<CloseIcon width="13" height="13" />
  							</Fragment>
  						) : (
  							<Fragment>
  								<AccessibleText>Open settings panel</AccessibleText>
  								<SettingsIcon />
  							</Fragment>
  						)}
  					</SettingsButton>
  					<SharingButton
  						isSelected={isSharingOpen}
  						onClick={this.toggleSharingPanel}
  					>
  						{isSharingOpen ? (
  							isLoadingShareUrl ? (
  								<Spinner />
  							) : (
  								<Fragment>
  									<AccessibleText>Close sharing panel</AccessibleText>
  									<CloseIcon width="13" height="13" />
  								</Fragment>
  							)
  						) : (
  							<Fragment>
  								<AccessibleText>Open settings panel</AccessibleText>
  								<ShareIcon />
  							</Fragment>
  						)}
  					</SharingButton>
  				</Controls>
  
  				<Transition
  					in={isSharingOpen && !isLoadingShareUrl}
  					timeout={{
  						enter: 0,
  						exit: exitTransitionMs,
  					}}
  					unmountOnExit
  				>
  					{state => (
  						<SharingModal
  							onClose={this.toggleSharingPanel}
  							key="sharing-modal"
  							transitionState={state}
  						>
  							<SharingPanel url={shareUrl} />
  						</SharingModal>
  					)}
  				</Transition>
  
  				<Transition
  					in={isSettingsOpen}
  					timeout={{
  						enter: 0,
  						exit: exitTransitionMs,
  					}}
  					unmountOnExit
  				>
  					{state => (
  						<SettingsModal
  							onClose={this.toggleSettingsPanel}
  							key="settings-modal"
  							transitionState={state}
  						>
  							<SettingsPanel
  								bgColor={bgColor}
  								fontColor={fontColor}
  								fontSize={fontSize}
  								fontStyle={fontStyle}
  								isAutoFontColor={isAutoFontColor}
  								onChangeSettings={this.changeSettings}
  								onReset={() => this.changeSettings(DEFAULT_SETTINGS)}
  								onSetAutoFontColor={isAutoFontColor =>
  									this.setState({ isAutoFontColor })
  								}
  							/>
  						</SettingsModal>
  					)}
  				</Transition>
  			</Wrapper>
  		);
  	}
  
  	alignStateWithQueryParams = () => this.setState(getParsedQueryParams());
  
  	changeSettings = settings => {
  		setUrlParams(settings);
  		this.setState(settings);
  	};
  
  	toggleSettingsPanel = event => {
  		stopEvent(event);
  
  		this.setState({ isSettingsOpen: !this.state.isSettingsOpen });
  	};
  
  	toggleSharingPanel = event => {
  		const { isSharingOpen } = this.state;
  
  		stopEvent(event);
  
  		this.setState(
  			{
  				isSharingOpen: !isSharingOpen,
  				isLoadingShareUrl: !isSharingOpen,
  			},
  			() => {
  				if (this.state.isSharingOpen) {
  					getShareUrl(document.location.href).then(shareUrl =>
  						this.setState({ shareUrl, isLoadingShareUrl: false })
  					);
  				}
  			}
  		);
  	};
  }
  
  export default App;
  