import fs from 'node:fs';
import path from 'node:path';

const root = process.cwd();
const pagesDir = path.join(root, 'src/pages');
const limit = Number(process.argv[2] || 700);

const files = fs.readdirSync(pagesDir)
  .filter((file) => file.endsWith('.tsx'))
  .map((file) => {
    const fullPath = path.join(pagesDir, file);
    const lines = fs.readFileSync(fullPath, 'utf8').split('\n').length;
    return { file, lines };
  })
  .sort((a, b) => b.lines - a.lines);

const overLimit = files.filter((item) => item.lines > limit);

console.log(`Page size budget: ${limit} lines\n`);
for (const item of files) {
  const mark = item.lines > limit ? '!' : ' ';
  console.log(`${mark} ${String(item.lines).padStart(4, ' ')}  ${item.file}`);
}

if (overLimit.length > 0) {
  console.log(`\n${overLimit.length} page(s) exceed the ${limit}-line budget.`);
  process.exitCode = 1;
}