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

// In dev the frontend runs on its own port; proxy API calls to the Go backend
// so the browser sees same-origin requests. In production the Go binary serves
// the built assets directly and no proxy is involved.
const backendTarget =
  process.env.VITE_BACKEND_URL ?? "http://localhost:8080";

export default defineConfig({
  plugins: [react(), tailwindcss()],
  resolve: {
    alias: {
      "@": path.resolve(__dirname, "./src"),
    },
  },
  server: {
    proxy: {
      "/api": { target: backendTarget, changeOrigin: true },
      "/healthz": { target: backendTarget, changeOrigin: true },
    },
  },
});