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

const here = path.dirname(fileURLToPath(import.meta.url));

export default defineConfig({
  root: path.resolve(here, 'web'),
  /**
   * Relativni base. Aplikace bezi za reverse proxy na /apps/<app-id>, ktery
   * neni znamy pri buildu. Server proto do index.html vklada <base href>
   * podle ROOT_PATH a relativni odkazy se podle nej slozi spravne.
   */
  base: './',
  plugins: [react(), tailwindcss()],
  resolve: {
    // Musi zustat v souladu s "paths" ve web/tsconfig.json
    alias: {
      '@': path.resolve(here, 'web/src'),
    },
  },
  server: {
    port: 5173,
    proxy: {
      // Lokalni vyvoj: web na 5173 vola API na 3000, bez reseni CORS.
      '/api': { target: 'http://localhost:3000', changeOrigin: true },
      '/webhook': { target: 'http://localhost:3000', changeOrigin: true },
    },
  },
  build: {
    // Server tuhle slozku obsluhuje jako statiku, viz src/index.ts.
    outDir: path.resolve(here, 'dist/public'),
    emptyOutDir: true,
    sourcemap: true,
  },
});