/** @type {import('next').NextConfig} */
import { toRewrites } from "./scripts/routes.mjs";

// STATIC_EXPORT=1 switches to the static bundle for Cloudflare Pages (output:
// export, no rewrites — pages resolve at clean paths / via the generated
// out/_redirects). Unset = normal
// dev + preview: `next dev` serves the clean URLs via the rewrites below and
// the /api/mock route is live. Local testing is unchanged.
const STATIC = process.env.STATIC_EXPORT === "1";

const nextConfig = {
  reactStrictMode: true,
  // `npm run local:lan` serves the dev site to phones/foldables on the LAN; Next
  // blocks dev asset requests from origins it wasn't started on unless listed.
  allowedDevOrigins: ["192.168.*.*", "10.*.*.*", "172.16.*.*", "*.local"],
  ...(STATIC ? { output: "export", trailingSlash: true } : {}),
  images: { unoptimized: true, remotePatterns: [] },
  ...(STATIC
    ? {}
    : {
        async rewrites() {
          return {
            // Proxy the mock API to the standalone dev mock server (started by
            // `npm run local`). Not present in the static export.
            beforeFiles: [
              { source: "/api/mock/:path*", destination: "http://127.0.0.1:4100/api/mock/:path*" },
              ...toRewrites(),
            ],
          };
        },
      }),
};

export default nextConfig;