const fs = require('fs');
const MDS_path = '/home/nikita/Загрузки/123/';
const style2_path = '/home/nikita/work/epbs-default/EPBS-Portal/EpbsStatic/Static/public_html/css/style2.css';

const MDS_classes = [];
const style2_classes = [];

function showFiles(path) {
	const files = fs.readdirSync(path);
	files.forEach(file => {
		const isDirectory = fs.statSync(`${path}${file}`).isDirectory();
		if (isDirectory) {
			showFiles(`${path}${file}/`)
		} else if (file.toLowerCase().indexOf('page') > -1 && (file.endsWith('jspx') || file.endsWith('xml'))) {
			addCssClasses(`${path}${file}`);
		}
	});
}

function addCssClasses(path) {
	const htmlPage = fs.readFileSync(path, 'utf8');
	let index = 0;
	while (index > -1) {
		index = htmlPage.indexOf('class="', index + 7);
		if (index > -1) {
			const className = htmlPage.substring(index + 7, htmlPage.indexOf('"', index + 7));
			if (MDS_classes.indexOf(className) === -1) {
				MDS_classes.push(className);
			}
		}
	}
	index = 0;
	while (index > -1) {
		index = htmlPage.indexOf('styleClass="', index + 12);
		if (index > -1) {
			const className = htmlPage.substring(index + 12, htmlPage.indexOf('"', index + 12));
			if (MDS_classes.indexOf(className) === -1) {
				MDS_classes.push(className);
			}
		}
	}
	index = 0;
	while (index > -1) {
		index = htmlPage.indexOf('class="', index + 12);
		if (index > -1) {
			const className = htmlPage.substring(index + 12, htmlPage.indexOf('"', index + 12));
			if (MDS_classes.indexOf(className) === -1) {
				MDS_classes.push(className);
			}
		}
	}
	index = 0;
	while (index > -1) {
		index = htmlPage.indexOf('class=\'', index + 7);
		if (index > -1) {
			const className = htmlPage.substring(index + 7, htmlPage.indexOf('\'', index + 7));
			if (MDS_classes.indexOf(className) === -1) {
				MDS_classes.push(className);
			}
		}
	}
}

showFiles(MDS_path);
checkClasses(1);

function checkClasses(count) {
	if (count === MDS_classes.length) {
		console.log(MDS_classes.length);
		style2ClassesFind();
	} else {
		setTimeout(() => checkClasses(MDS_classes.length), 50);
	}
}

function style2ClassesFind() {
	const lineReader = require('readline').createInterface({
		input: require('fs').createReadStream(style2_path)
	});

	lineReader.on('line', function (line) {
		if (line.trim().startsWith("."))
			console.log('Line from file:', line.trim());
	});
}