import type { NextConfig } from "next";

function resolveDocsUrl(): string {
  if (process.env.NEXT_PUBLIC_DOCS_URL?.trim()) {
    return process.env.NEXT_PUBLIC_DOCS_URL.replace(/\/$/, "");
  }
  const auth = process.env.NEXTAUTH_URL ?? "";
  if (/localhost|127\.0\.0\.1/i.test(auth)) {
    return "http://localhost:3001";
  }
  return "https://docs.songs2vid.com";
}

const apiDocsUrl = `${resolveDocsUrl()}/docs/api/overview`;

const nextConfig: NextConfig = {
  output: "standalone",
  images: {
    remotePatterns: [
      {
        protocol: "https",
        hostname: "images.unsplash.com",
      },
    ],
  },
  experimental: {
    serverActions: {
      bodySizeLimit: "32mb",
    },
  },
  async redirects() {
    return [
      {
        source: "/dashboard/api-docs",
        destination: apiDocsUrl,
        permanent: false,
      },
    ];
  },
};

export default nextConfig;