/**
 * Run `build` or `dev` with `SKIP_ENV_VALIDATION` to skip env validation. This is especially useful
 * for Docker builds.
 */
// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
// SPDX-License-Identifier: MIT

import "./src/env.js";
import createNextIntlPlugin from 'next-intl/plugin';

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

/** @type {import("next").NextConfig} */

// DeepFlow leverages **Turbopack** during development for faster builds and a smoother developer experience.
// However, in production, **Webpack** is used instead.
//
// This decision is based on the current recommendation to avoid using Turbopack for critical projects, as it
// is still evolving and may not yet be fully stable for production environments.

const config = {
  // For development mode
  turbopack: {
    rules: {
      "*.md": {
        loaders: ["raw-loader"],
        as: "*.js",
      },
    },
  },

  // For production mode
  webpack: (config) => {
    config.module.rules.push({
      test: /\.md$/,
      use: "raw-loader",
    });
    return config;
  },

  // ... rest of the configuration.
  output: "standalone",

  // Docker standalone 部署：把 /deepflow-backend/* 代理到 deepflow-backend 服务。
  // 前端以 NEXT_PUBLIC_API_URL=/deepflow-backend 构建（见
  // src/core/api/resolve-service-url.ts，直接拼 origin + /deepflow-backend/<path>），
  // 而后端路由均带 /api 前缀（见 src/server/app.py）。由 Next 服务端补上 /api 前缀，
  // 避免浏览器跨端口 / CORS 问题。目标地址可用 DEEPFLOW_BACKEND_HOST 覆盖。
  async rewrites() {
    const backendHost =
      process.env.DEEPFLOW_BACKEND_HOST || "http://deepflow-backend:8000";
    return [
      { source: "/deepflow-backend/:path*", destination: `${backendHost}/api/:path*` },
      { source: "/deepflow-backend", destination: `${backendHost}/api/` },
    ];
  },
};

export default withNextIntl(config);