/** @type {import('next').NextConfig} */
const basePath = process.env.NEXT_PUBLIC_BASE_PATH || "";

const remoteApiOrigin = (
  process.env.CHATBOT_API_UPSTREAM ||
  process.env.NEXT_PUBLIC_CHATBOT_API_BASE ||
  "https://chatbot.exdev.co.kr"
).replace(/\/chatbot\/?$/, "");

const nextConfig = {
  output: "export",
  basePath,
  assetPrefix: basePath || undefined,
  trailingSlash: true,
  reactStrictMode: true,
  poweredByHeader: false,
  images: { unoptimized: true },
  async rewrites() {
    if (process.env.NODE_ENV !== "development") return [];
    return [
      {
        source: "/chatbot/:path*",
        destination: `${remoteApiOrigin}/chatbot/:path*`,
      },
    ];
  },
};

export default nextConfig;