const fs = require('fs');

const path = require('path');

const ROOT_DIR = path.join(__dirname, '..', '..');

const README_PATH = path.join(ROOT_DIR, 'diagrams/class/README.md');

const DIAGRAMS = [

{ key: 'class-cart', file: 'diagrams/class/class-cart.mmd' },

{ key: 'class-product', file: 'diagrams/class/class-product.mmd' }

];

let readme = fs.readFileSync(README_PATH, 'utf8');

let hasChanges = false;

DIAGRAMS.forEach(({ key, file }) => {

const filePath = path.join(ROOT_DIR, file);

if (!fs.existsSync(filePath)) {

console.log(`Class: Файл ${path.relative(ROOT_DIR, file)} не найден`);

process.exit(1);

}

const mmdContent = fs.readFileSync(filePath, 'utf8').trim();

const mermaidBlock = `\`\`\`mermaid\n${mmdContent}\n\`\`\``;

const startTag = `<!-- MERMAID_START:${key} -->`;

const endTag = `<!-- MERMAID_END:${key} -->`;

const regex = new RegExp(`${startTag}[\\s\\S]*?${endTag}`, 'g');

if (regex.test(readme)) {

const newContent = `${startTag}\n${mermaidBlock}\n${endTag}`;

const oldMatch = readme.match(regex)?.[0] || '';

if (oldMatch !== newContent) {

readme = readme.replace(regex, newContent);

fs.writeFileSync(README_PATH, readme, 'utf8');

console.log('Class: README.md обновлен');

}

else

console.log('Class: README.md не требует обновлений');

} else {

console.log(`Class: Маркеры для ${key} не найдены в README.md`);

process.exit(1);

}

});