/* Generates src/icons.generated.ts from the simple-icons npm package —
   build-time only, so the site never phones a CDN (v1 loaded brand logos
   from cdn.simpleicons.org at runtime: a third-party request on a privacy
   guide). The slug list is DERIVED from the data files (tools.json +
   directory.json iconSlug fields) so it can never drift from the content.
   Slugs missing from the installed set fall back to the letter tile at
   render time. Run: pnpm icons */
import { readFileSync, writeFileSync } from 'node:fs'
import * as icons from 'simple-icons'

const dataFiles = ['../src/data/tools.json', '../src/data/directory.json']
const slugs = new Set(['github']) // footer link icon
for (const file of dataFiles) {
  const entries = JSON.parse(readFileSync(new URL(file, import.meta.url), 'utf8'))
  for (const entry of entries) {
    if (entry.iconSlug) slugs.add(entry.iconSlug)
  }
}

const bySlug = new Map(Object.values(icons).map((i) => [i.slug, i]))
const found = []
const missing = []
for (const slug of [...slugs].sort()) {
  const icon = bySlug.get(slug)
  if (icon) found.push(icon)
  else missing.push(slug)
}

const lines = found.map((i) => `  ${JSON.stringify(i.slug)}: ${JSON.stringify(i.path)},`)
const out = `/* AUTO-GENERATED by scripts/gen-icons.mjs — do not edit.
   SVG path data from the simple-icons npm package (CC0), inlined at build
   time. Zero runtime CDN request. Missing slugs at generation time: ${
     missing.length ? missing.join(', ') : 'none'
   }. */
export const BRAND_ICONS: Record<string, string> = {
${lines.join('\n')}
}
`
writeFileSync(new URL('../src/icons.generated.ts', import.meta.url), out)
console.log(
  `icons: ${found.length} embedded, ${missing.length} missing${missing.length ? ` (${missing.join(', ')})` : ''}`,
)