import { defineConfig, loadEnv } from "vite";

// Where the dev proxy forwards `/api/*` (and the events WS) to. Default to a
// local daemon on 127.0.0.1:7070. Override with:
//   MAESTRO_DAEMON_URL=http://laptop.lan:7070
// `ws://`/`wss://` forms are normalised to http/https, since the proxy needs an
// HTTP base URL.
function resolveProxyTarget(raw: string | undefined): string {
  if (!raw) return "http://127.0.0.1:7070";
  return raw
    .replace(/^wss:\/\//, "https://")
    .replace(/^ws:\/\//, "http://")
    .replace(/\/+$/, "");
}

export default defineConfig(({ mode }) => {
  const env = loadEnv(mode, process.cwd(), "");
  const target = resolveProxyTarget(env.MAESTRO_DAEMON_URL);
  const secure = target.startsWith("https://");
  return {
    build: {
      target: "es2022",
      outDir: "dist",
      emptyOutDir: true,
      sourcemap: false,
    },
    server: {
      port: 5173,
      proxy: {
        "/api": {
          target,
          changeOrigin: secure,
          ws: true,
          secure: false,
        },
      },
    },
  };
});