import type { NextConfig } from "next";
import path from "path";

const subDomain =
  process.env.NEXT_PUBLIC_PROXY_HOST || "http://localhost:3000";

const nextConfig: NextConfig = {
  output: "standalone",
  experimental: {
    proxyTimeout: 600000,
  },

  // 🔥 반드시 필요
  webpack(config) {
    config.resolve.alias = {
      ...(config.resolve.alias || {}),
      // monorepo 구조 기준
      "@common": path.resolve(__dirname, "../../packages/common"),
    };
    return config;
  },

  async rewrites() {
    return {
      beforeFiles: [
        {
          source: "/_next/static/:path*",
          destination: `${subDomain}/_next/static/:path*`,
          has: [
            {
              type: "header",
              key: "referer",
              value: "(.*)/pst(.*)",
            },
          ],
        },
      ],
      afterFiles: [
        {
          source: "/sewerage-service/:path*",
          destination: `${subDomain}/sewerage-service/:path*`,
        },
        {
          source: "/reuse-service/:path*",
          destination: `${subDomain}/reuse-service/:path*`,
        },
        {
          source: "/operation-service/:path*",
          destination: `${subDomain}/operation-service/:path*`,
        },
      ],
      fallback: [],
    };
  },
};

export default nextConfig;