import type { NextConfig } from "next";
import createNextIntlPlugin from "next-intl/plugin";

/** 开发时代理真实后端，避免浏览器直连局域网 IP 时的 CORS。与 .env.development 中 API_PROXY_TARGET 一致。 */
const apiProxyTarget =
  process.env.API_PROXY_TARGET?.replace(/\/$/, "") ?? "";
const remittanceProxyTarget =
  process.env.API_PROXY_TARGET_REMITTANCE?.replace(/\/$/, "") ?? "";

const nextConfig: NextConfig = {
  async rewrites() {
    const rewrites = [];
    if (apiProxyTarget && /^https?:\/\//i.test(apiProxyTarget)) {
      rewrites.push({
        source: "/api-backend/:path*",
        destination: `${apiProxyTarget}/:path*`,
      });
    }
    if (remittanceProxyTarget && /^https?:\/\//i.test(remittanceProxyTarget)) {
      rewrites.push({
        source: "/api-backend-remittance/:path*",
        destination: `${remittanceProxyTarget}/:path*`,
      });
    }
    return rewrites;
  },
};

const withNextIntl = createNextIntlPlugin("./src/i18n/request.ts");

export default withNextIntl(nextConfig);