import fs from "node:fs";
import { defineConfig } from "vite";
import vue from "@vitejs/plugin-vue";
import { fileURLToPath } from "node:url";
import { dirname, resolve } from "node:path";
import Sitemap from "vite-plugin-sitemap";

const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);

import tailwindcss from "@tailwindcss/vite";
import Components from "unplugin-vue-components/vite";
import { VitePWA } from "vite-plugin-pwa";

// Tip ve yardımcı okuma fonksiyonu
type PostEntry = { slug: string };
function safeReadJSON<T>(p: string): T | null {
  try {
    return JSON.parse(fs.readFileSync(p, "utf-8"));
  } catch (e) {
    console.warn(`[ssg] '${p}' okunamadı: ${(e as Error).message}`);
    return null;
  }
}

// Compute all static + menu routes (TR/EN) for SSG & sitemap
function computeRoutes(): string[] {
  // Base routes (TR and EN)
  const routes = new Set<string>([
    "/",
    "/menu/",
    "/legal/",
    "/en/",
    "/en/menu/",
    "/en/legal/",
  ]);

  return Array.from(routes);
}

export default defineConfig({
  plugins: [
    vue(),
    Sitemap({
      hostname: "https://www.mucomutfak.com",
      outDir: process.env.BUILD_OUT_DIR || "dist",
      // Include ALL prerendered routes (from SSG) explicitly
      dynamicRoutes: computeRoutes(),
      generateRobotsTxt: true,
      robots: [{ userAgent: "*", allow: "/" }],
      // Produce a clean, human-readable XML and drop extra namespaces
      readable: true,
      xmlns: { news: false, xhtml: false, image: false, video: false },
    }),
    tailwindcss(),
    Components({
      dirs: ["src/components"],
      extensions: ["vue"],
      directoryAsNamespace: true,
      collapseSamePrefixes: true,
      globalNamespaces: ["global"],
      dts: "./components.d.ts",
    }),
    VitePWA({
      registerType: "autoUpdate",
      includeAssets: [
        "favicon.ico",
        "apple-touch-icon.png",
        "pwa-192x192.png",
        "pwa-512x512.png",
        "pwa-512x512-maskable.png",
      ],
      manifest: {
        name: "Müco Mutfak ve Kahve",
        short_name: "Müco",
        start_url: "/",
        scope: "/",
        display: "standalone",
        background_color: "#ffffff",
        theme_color: "#3FA0C7",
        icons: [
          { src: "pwa-192x192.png", sizes: "192x192", type: "image/png" },
          { src: "pwa-512x512.png", sizes: "512x512", type: "image/png" },
          {
            src: "pwa-512x512-maskable.png",
            sizes: "512x512",
            type: "image/png",
            purpose: "maskable",
          },
        ],
        screenshots: [
          {
            src: "home-wide-1280x720.jpg",
            sizes: "1280x720",
            type: "image/jpeg",
            form_factor: "wide",
          },
          {
            src: "home-narrow-750x1334.jpg",
            sizes: "750x1334",
            type: "image/jpeg",
            form_factor: "narrow",
          },
        ],
      },
      workbox: {
        cleanupOutdatedCaches: true,
        skipWaiting: true,
        clientsClaim: true,

        globPatterns: [
          "**/*.{html,js,txt,xml,webmanifest,css,gif,ico,png,svg,jpg,jpeg,webp,ttf,woff2}",
        ],

        navigateFallback: null,

        runtimeCaching: [
          {
            urlPattern: ({ request }) => request.mode === "navigate",
            handler: "NetworkFirst",
            options: {
              cacheName: "pages",
              networkTimeoutSeconds: 3,
              expiration: {
                maxEntries: 20,
                maxAgeSeconds: 60,
              },
            },
          },
          {
            urlPattern: ({ request }) =>
              ["image", "font"].includes(request.destination),
            handler: "StaleWhileRevalidate",
            options: {
              cacheName: "assets-v2",
            },
          },
        ],
      },
      devOptions: {
        enabled: false,
      },
    }),
  ],
  build: {
    chunkSizeWarningLimit: 1600,
    // Publish pipeline builds into a staging dir, then swaps it into dist
    outDir: process.env.BUILD_OUT_DIR || "dist",
  },
  server: {
    host: true,
    port: 5173,
    proxy: {
      "/api": "http://localhost:3001",
    },
  },
  resolve: { alias: { "@": resolve(__dirname, "src") } },
  ssgOptions: {
    script: "async",
    dirStyle: "nested",
    formatting: "minify",
    includedRoutes: computeRoutes,
  },
});