#!/usr/bin/env node

import { mkdirSync, readdirSync, readFileSync, writeFileSync } from 'node:fs';
import { dirname, resolve } from 'node:path';

const root = resolve(import.meta.dirname, '..');
const sourceDir = resolve(root, 'node_modules/lucide-angular/icons');
const outputPath = resolve(root, 'public/static/admin/lucide-icons.json');
const checkOnly = process.argv.includes('--check');
const entries = [];

for (const file of readdirSync(sourceDir).filter((name) => name.endsWith('.d.ts') && name !== 'lucide-icons.d.ts').sort()) {
  const source = readFileSync(resolve(sourceDir, file), 'utf8');
  const preview = source.match(/data:image\/svg\+xml;base64,([A-Za-z0-9+/=]+)/)?.[1];
  if (!preview) continue;
  entries.push({ name: file.slice(0, -5), data: preview });
}

const output = JSON.stringify({ version: 1, total: entries.length, icons: entries });
if (checkOnly) {
  if (readFileSync(outputPath, 'utf8') !== output) throw new Error('图标目录已过期，请运行 npm run admin-icons:generate');
  console.log(`Admin icon catalog is current: ${entries.length} icons.`);
} else {
  mkdirSync(dirname(outputPath), { recursive: true });
  writeFileSync(outputPath, output);
  console.log(`Generated ${outputPath}: ${entries.length} icons.`);
}