import { defineConfig } from "vite";
import react from "@vitejs/plugin-react";
import { readFileSync } from "fs";
import { fileURLToPath } from "url";
import { dirname, join } from "path";

const __dirname = dirname(fileURLToPath(import.meta.url));
const pkg = JSON.parse(readFileSync(join(__dirname, "package.json"), "utf-8"));

export default defineConfig({
  plugins: [react()],
  server: {
    port: 5173,
    // In dev: proxy /api naar de API in dezelfde container (zie docker/dev-entrypoint.sh)
    proxy: {
      "/api": {
        target:       "http://localhost:3001",
        changeOrigin: true,
        secure:       false,
      },
    },
  },
  build: {
    outDir:         "dist",
    sourcemap:      false,   // zet op true voor staged deploys
    chunkSizeWarningLimit: 800,
    rollupOptions: {
      output: {
        // Splits vendor chunks voor betere caching. Vite 8 bundelt met
        // Rolldown; die kent de object-vorm van manualChunks niet, dus dit
        // gaat via advancedChunks.
        advancedChunks: {
          groups: [
            // RegExp via constructor: module-ids zijn genormaliseerd met "/"
            { name: "react", test: new RegExp("node_modules/(react|react-dom|scheduler)/") },
          ],
        },
      },
    },
  },
  define: {
    // VITE_API_URL wordt ingebakken tijdens build
    __API_URL__: JSON.stringify(process.env.VITE_API_URL ?? "/api"),
    __APP_VERSION__: JSON.stringify(process.env.VITE_APP_VERSION || pkg.version),
  },
});