import { defineConfig } from "vite";
import basicSsl from "@vitejs/plugin-basic-ssl";
import vue from "@vitejs/plugin-vue";
import { VitePWA } from "vite-plugin-pwa";
import {
  copyFileSync,
  mkdirSync,
  writeFileSync,
  readdirSync,
  cpSync,
} from "node:fs";

const siteUrl = "https://explorer.kuraa.cc";

function generateStaticFiles() {
  return {
    name: "generate-static-files",
    closeBundle() {
      const aboutDir = new URL("./dist/about/", import.meta.url);
      mkdirSync(aboutDir, { recursive: true });
      cpSync(
        new URL("./static/", import.meta.url),
        new URL("./dist/static/", import.meta.url),
        {
          recursive: true,
        },
      );
      const files = readdirSync(new URL("./readme/", import.meta.url));
      files.forEach((file) => {
        copyFileSync(
          new URL(`./readme/${file}`, import.meta.url),
          new URL(`./dist/about/${file}`, import.meta.url),
        );
      });

      const lastmod = new Date().toISOString().slice(0, 10);
      const sitemap = `<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="https://www.sitemaps.org/schemas/sitemap/0.9">
  <url>
    <loc>${siteUrl}/</loc>
    <lastmod>${lastmod}</lastmod>
    <changefreq>weekly</changefreq>
    <priority>1.0</priority>
  </url>
  <url>
    <loc>${siteUrl}/about/</loc>
    <lastmod>${lastmod}</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
  </url>
</urlset>
`;
      const robots = `User-agent: *
Allow: /

Sitemap: ${siteUrl}/sitemap.xml
`;

      writeFileSync(new URL("./dist/sitemap.xml", import.meta.url), sitemap);
      writeFileSync(new URL("./dist/robots.txt", import.meta.url), robots);
    },
  };
}

// https://vitejs.dev/config/
export default defineConfig({
  base: "./",
  build: {
    // 开发阶段启用源码映射：https://uniapp.dcloud.net.cn/tutorial/migration-to-vue3.html#需主动开启-sourcemap
    sourcemap: process.env.NODE_ENV === "development",
  },
  plugins: [
    vue(),
    basicSsl(),
    generateStaticFiles(),
    VitePWA({
      registerType: "autoUpdate",
      manifest: {
        name: "P2P Explorer",
        short_name: "P2P Explorer",
        description: "P2P文件传输与浏览工具",
        theme_color: "#f5f5f5", //米色
        background_color: "#f5f5f5",
        icons: [
          {
            src: "/static/icon64.png",
            sizes: "64x64",
            type: "image/png",
          },
          {
            src: "/static/icon256.png",
            sizes: "256x256",
            type: "image/png",
          },
        ],
      },
      workbox: {
        globPatterns: ["**/*.{js,css,html,ico,png,svg,webp}"],
        navigateFallbackDenylist: [/^\/about(?:\/|$)/],
        runtimeCaching: [],
      },
    }),
  ],
  server: {
    host: "0.0.0.0",
  },
});