import tailwindcss from '@tailwindcss/vite';
import { fileURLToPath } from 'node:url';
import { defineConfig, loadEnv } from 'vite';
import solid from 'vite-plugin-solid';

// The dev server proxies /api and the WebSocket at /ws to the backend:
// job-search serve at its default address, or API_PROXY_TARGET if it's set.
// /ws keeps the browser's Host header (changeOrigin: false), as the backend
// only accepts a WebSocket whose Origin matches the host it was asked for.
export default defineConfig(({ mode }) => {
  const env = loadEnv(mode, process.cwd(), '');
  const target = env.API_PROXY_TARGET || 'http://localhost:9393';

  return {
    plugins: [solid(), tailwindcss()],
    // @/ is src/, matching "paths" in tsconfig.app.json.
    resolve: {
      alias: { '@': fileURLToPath(new URL('./src', import.meta.url)) },
    },
    server: {
      proxy: {
        '/api': { target, changeOrigin: true },
        '/ws': { target, ws: true, changeOrigin: false },
      },
    },
  };
});