import process from "node:process";
import type { NextConfig } from "next";

/** 本地调试代理目标，见 config/*.env / .env.local 的 API_PROXY_TARGET */
const apiProxyTarget = (process.env.API_PROXY_TARGET || "").replace(/\/$/, "");
const appEnv = process.env.APP_ENV;

const nextConfig: NextConfig = {
  output: "standalone",
  // 仅在显式 APP_ENV=test|development 时分目录；未设置 / production 仍用 .next
  distDir:
    appEnv === "test" ? ".next-test" : appEnv === "development" ? ".next-dev" : ".next",
  poweredByHeader: false,
  cacheComponents: true,
  partialPrefetching: true,
  turbopack: {
    rules: {
      "*.css": {
        loaders: ["@tailwindcss/turbopack"],
        as: "*.css",
      },
    },
  },
  async headers() {
    const xml = [{ key: "Content-Type", value: "application/xml; charset=utf-8" }];
    const xsl = [{ key: "Content-Type", value: "text/xsl; charset=utf-8" }];
    return [
      { source: "/sitemap.xml", headers: xml },
      { source: "/sitemaps/:file", headers: xml },
      { source: "/static/sitemapindex.xsl", headers: xsl },
      { source: "/static/sitemap.xsl", headers: xsl },
    ];
  },
  async redirects() {
    // 枢纽入口 / 旧中文排序段 → 英文规范 URL
    return [
      { source: "/short-drama", destination: "/short-drama/hot", permanent: true },
      { source: "/video", destination: "/video/hot", permanent: true },
      { source: "/short-drama/热度优先", destination: "/short-drama/hot", permanent: true },
      { source: "/short-drama/热度优先/:path*", destination: "/short-drama/hot/:path*", permanent: true },
      { source: "/short-drama/最近更新", destination: "/short-drama/latest", permanent: true },
      { source: "/short-drama/最近更新/:path*", destination: "/short-drama/latest/:path*", permanent: true },
      { source: "/video/热度优先", destination: "/video/hot", permanent: true },
      { source: "/video/热度优先/:path*", destination: "/video/hot/:path*", permanent: true },
      { source: "/video/最近更新", destination: "/video/latest", permanent: true },
      { source: "/video/最近更新/:path*", destination: "/video/latest/:path*", permanent: true },
      { source: "/ranking", destination: "/ranking/drama", permanent: true },
      { source: "/ranking/短剧", destination: "/ranking/drama", permanent: true },
      { source: "/ranking/短剧/:path*", destination: "/ranking/drama/:path*", permanent: true },
      { source: "/ranking/视频", destination: "/ranking/video", permanent: true },
      { source: "/ranking/视频/:path*", destination: "/ranking/video/:path*", permanent: true },
      // 专题排序段：中文 → 英文
      { source: "/topic/:kind/:key/编辑排序", destination: "/topic/:kind/:key/editorial", permanent: true },
      { source: "/topic/:kind/:key/编辑排序/:page", destination: "/topic/:kind/:key/editorial/:page", permanent: true },
      { source: "/topic/:kind/:key/最新", destination: "/topic/:kind/:key/latest", permanent: true },
      { source: "/topic/:kind/:key/最新/:page", destination: "/topic/:kind/:key/latest/:page", permanent: true },
      { source: "/topic/:kind/:key/最热", destination: "/topic/:kind/:key/hot", permanent: true },
      { source: "/topic/:kind/:key/最热/:page", destination: "/topic/:kind/:key/hot/:page", permanent: true },
    ];
  },
  async rewrites() {
    if (!apiProxyTarget) return [];
    return [
      {
        source: "/api/:path*",
        destination: `${apiProxyTarget}/api/:path*`,
      },
      // 加密 HLS：相对路径经同域代理（对齐 hkdj-web / 1045）
      {
        source: "/h5/m3u8/:path*",
        destination: `${apiProxyTarget}/h5/m3u8/:path*`,
      },
      {
        source: "/enkey",
        destination: `${apiProxyTarget}/enkey`,
      },
      {
        source: "/enkey/:path*",
        destination: `${apiProxyTarget}/enkey/:path*`,
      },
      {
        source: "/newenkey",
        destination: `${apiProxyTarget}/newenkey`,
      },
      {
        source: "/newenkey/:path*",
        destination: `${apiProxyTarget}/newenkey/:path*`,
      },
    ];
  },
};

export default nextConfig;