import { defineConfig } from 'vite'
import react from '@vitejs/plugin-react'
import { cpSync, mkdirSync } from 'node:fs'
import { dirname, join } from 'node:path'
import { fileURLToPath } from 'node:url'

const siteRoot = dirname(fileURLToPath(import.meta.url))
const safePublicFiles = [
  '404.html',
  '.well-known/assetlinks.json',
  'accept-invite.css',
  'accept-invite.js',
  'accept-invite/index.html',
  'download.html',
  'favicon.svg',
  'legal.css',
  'privacy/index.html',
  'terms/index.html',
  'delete-account/index.html',
  // 검색·공유용 자산 (scripts/render-brand-assets.mjs 가 만든다)
  'site.webmanifest',
  // IndexNow 소유 확인 키(공개 값). scripts/ci/ping-indexnow.mjs 가 같은 파일을 쓴다.
  '5d886cca4138946b8488203724b2f53d.txt',
  'icons',
  'og',
]

export default defineConfig({
  // Installers ship only through the Forgejo feed, never from this site. Only this
  // non-binary allowlist can reach dist, so a stray local `public/releases` copy
  // (git-ignored) can never be deployed.
  publicDir: false,
  plugins: [
    react(),
    (() => {
      // 서버용 빌드(`vite build --ssr`, dist-ssr)에서는 복사하지 않는다 — 브라우저 빌드가 이미 복사했다.
      let isSsrBuild = false
      return {
        name: 'copy-safe-public-files',
        configResolved(config: { build: { ssr: unknown } }) {
          isSsrBuild = Boolean(config.build.ssr)
        },
        closeBundle() {
          if (isSsrBuild) return
          for (const relativePath of safePublicFiles) {
            const destination = join(siteRoot, 'dist', relativePath)
            mkdirSync(dirname(destination), { recursive: true })
            cpSync(join(siteRoot, 'public', relativePath), destination, { errorOnExist: true, recursive: true })
          }
        },
      }
    })(),
  ],
  // 언어별 페이지(/en/ 등)에서도 자산을 찾도록 절대 경로를 쓴다.
  base: '/',
})