import { defineConfig } from 'vite'
import react from '@vitejs/plugin-react'
import { networkInterfaces } from 'node:os'

function tailscaleHost() {
  const addresses = networkInterfaces().Tailscale ?? []
  return addresses.find((address) => address.family === 'IPv4' && !address.internal)?.address
}

const hmrHost = process.env.VITE_HMR_HOST?.trim() || tailscaleHost() || 'desktop'

// https://vite.dev/config/
export default defineConfig({
  plugins: [react()],
  server: {
    allowedHosts: ['desktop'],
    hmr: {
      host: hmrHost,
      protocol: 'ws',
    },
    fs: {
      allow: ['..', 'W:/libre-bible-data'],
    },
  },
})