import { fileURLToPath } from 'node:url';
import react from '@vitejs/plugin-react';
import { defineConfig } from 'vite';

// The proxy exists only in dev; in production the SPA is same-origin with the gateway
// (served by it under Candidate A, or behind one FQDN under Candidate B) and every
// request uses a relative path, so no origin may ever be configured here or in src/.
const gatewayTarget = 'http://localhost:14242';

export default defineConfig({
  plugins: [react()],
  resolve: {
    alias: {
      '@': fileURLToPath(new URL('./src', import.meta.url)),
    },
  },
  server: {
    port: 3100,
    proxy: {
      '/api': gatewayTarget,
      '/socket.io': { target: gatewayTarget, ws: true },
    },
  },
});