// Overlay for the cloud dev server: the repo's own vite.config.js plus what a shared, public
// host needs. Every value comes from the environment (see deployment/cloud/README.md).
import base from '/app/repo/vite.config.js'
import { mergeConfig } from 'vite'

const env = process.env
export default async (e) => {
  const b = typeof base === 'function' ? await base(e) : base
  const hmr = env.HMR_CLIENT_PORT
    ? { clientPort: Number(env.HMR_CLIENT_PORT), protocol: env.HMR_PROTOCOL || 'wss' }
    : undefined
  return mergeConfig(b, {
    cacheDir: '/tmp/vite-cache',
    server: {
      host: env.VITE_HOST || '0.0.0.0',
      port: Number(env.VITE_PORT || 5173),
      strictPort: true,
      allowedHosts: true,
      ...(hmr ? { hmr } : {}),
    },
  })
}