text: import { Button, ButtonGroup, Icon, Field, FieldGroup, TextInput, Throbber } from '@rocket.chat/fuselage';
  import React, { useCallback, useEffect, useState } from 'react';
  
  import Page from '../../components/basic/Page';
  import { useRoute, useQueryStringParameter } from '../../contexts/RouterContext';
  import { useEndpoint, useUpload } from '../../contexts/ServerContext';
  import { useTranslation } from '../../contexts/TranslationContext';
  import { useFileInput } from '../../hooks/useFileInput';
  import { useForm } from '../../hooks/useForm';
  import { handleInstallError } from './helpers';
  
  const placeholderUrl = 'https://rocket.chat/apps/package.zip';
  
  function AppInstallPage() {
  	const t = useTranslation();
  
  	const appsRoute = useRoute('admin-apps');
  
  	const appId = useQueryStringParameter('id');
  	const queryUrl = useQueryStringParameter('url');
  
  	const [installing, setInstalling] = useState(false);
  
  	const endpointAddress = appId ? `/apps/${ appId }` : '/apps';
  	const installApp = useEndpoint('POST', endpointAddress);
  	const uploadApp = useUpload(endpointAddress);
  
  	const { values, handlers } = useForm({
  		file: {},
  		url: queryUrl,
  	});
  
  	const {
  		file,
  		url,
  	} = values;
  
  	const canSave = !!url || !!file.name;
  
  	const {
  		handleFile,
  		handleUrl,
  	} = handlers;
  
  	useEffect(() => {
  		queryUrl && handleUrl(queryUrl);
  	}, [queryUrl, handleUrl]);
  
  	const handleUploadButtonClick = useFileInput(handleFile, 'app');
  
  	const install = useCallback(async () => {
  		setInstalling(true);
  
  		try {
  			if (url) {
  				const { app } = await installApp({ url });
  				appsRoute.push({ context: 'details', id: app.id });
  				return;
  			}
  
  			const fileData = new FormData();
  			fileData.append('app', file, file.name);
  			const { app } = await uploadApp(fileData);
  			appsRoute.push({ context: 'details', id: app.id });
  		} catch (error) {
  			handleInstallError(error);
  		} finally {
  			setInstalling(false);
  		}
  	}, [url, appsRoute, installApp, file, uploadApp]);
  
  	const handleCancel = () => {
  		appsRoute.push();
  	};
  
  	return <Page flexDirection='column'>
  		<Page.Header title={t('App_Installation')} />
  		<Page.ScrollableContent>
  			<FieldGroup display='flex' flexDirection='column' alignSelf='center' maxWidth='x600' w='full'>
  				<Field>
  					<Field.Label>{t('App_Url_to_Install_From')}</Field.Label>
  					<Field.Row>
  						<TextInput placeholder={placeholderUrl} value={url} onChange={handleUrl} addon={<Icon name='permalink' size='x20'/>}/>
  					</Field.Row>
  				</Field>
  				<Field>
  					<Field.Label>{t('App_Url_to_Install_From_File')}</Field.Label>
  					<Field.Row>
  						<TextInput
  							value={file.name || ''}
  							addon={<Button small primary onClick={handleUploadButtonClick} mb='neg-x4' mie='neg-x8'>
  								<Icon name='upload' size='x12' />{t('Browse_Files')}
  							</Button>}
  						/>
  					</Field.Row>
  				</Field>
  				<Field>
  					<ButtonGroup>
  						<Button disabled={!canSave || installing} onClick={install}>
  							{!installing && t('Install')}
  							{installing && <Throbber inheritColor/>}
  						</Button>
  						<Button onClick={handleCancel}>{t('Cancel')}</Button>
  					</ButtonGroup>
  				</Field>
  			</FieldGroup>
  		</Page.ScrollableContent>
  	</Page>;
  }
  
  export default AppInstallPage;
  