import { fileURLToPath, URL } from "url";
import { defineConfig, loadEnv } from "vite";
import Vue from "@vitejs/plugin-vue";
import VueJsx from "@vitejs/plugin-vue-jsx";
import VueSetupExtend from "vite-plugin-vue-setup-extend";
import Compression from "vite-compression-plugin";
import { VitePWA } from "vite-plugin-pwa";
import { viteExternalsPlugin as ViteExternals } from "vite-plugin-externals";
import { viteStaticCopy as ViteStaticCopy } from "vite-plugin-static-copy";
import { createHtmlPlugin as VitePluginHtml } from "vite-plugin-html";
import Icons from "unplugin-icons/vite";
import randomstring from "randomstring";

export default ({ mode }: { mode: string }) => {
  const env = loadEnv(mode, process.cwd(), "");
  const isProduction = mode === "production";

  const staticSuffix = randomstring.generate({
    length: 8,
    charset: "hex",
  });

  return defineConfig({
    base: env.VITE_BASE_URL,
    plugins: [
      Vue(),
      VueJsx(),
      VueSetupExtend(),
      Compression(),
      Icons({ compiler: "vue3" }),
      ViteExternals({
        vue: "Vue",
        "vue-router": "VueRouter",
        "@halo-dev/shared": "HaloAdminShared",
        "@halo-dev/components": "HaloComponents",
      }),
      ViteStaticCopy({
        targets: [
          {
            src: `./node_modules/vue/dist/vue.global${
              isProduction ? ".prod" : ""
            }.js`,
            dest: "assets/vue",
            rename: `vue.global.${staticSuffix}.js`,
          },
          {
            src: `./node_modules/vue-router/dist/vue-router.global${
              isProduction ? ".prod" : ""
            }.js`,
            dest: "assets/vue-router",
            rename: `vue-router.global.${staticSuffix}.js`,
          },
          {
            src: "./node_modules/@halo-dev/admin-shared/dist/halo-admin-shared.iife.js",
            dest: "assets/admin-shared",
            rename: `halo-admin-shared.iife.${staticSuffix}.js`,
          },
          {
            src: "./node_modules/@halo-dev/components/dist/halo-components.iife.js",
            dest: "assets/components",
            rename: `halo-components.iife.${staticSuffix}.js`,
          },
        ],
      }),
      VitePluginHtml({
        minify: false,
        inject: {
          data: {
            injectScript: [
              `<script src="${env.VITE_BASE_URL}assets/vue/vue.global.${staticSuffix}.js"></script>`,
              `<script src="${env.VITE_BASE_URL}assets/vue-router/vue-router.global.${staticSuffix}.js"></script>`,
              `<script src="${env.VITE_BASE_URL}assets/components/halo-components.iife.${staticSuffix}.js"></script>`,
              `<script src="${env.VITE_BASE_URL}assets/admin-shared/halo-admin-shared.iife.${staticSuffix}.js"></script>`,
            ].join("\n"),
          },
        },
      }),
      VitePWA({
        manifest: {
          name: "Halo",
          short_name: "Halo",
          description: "Web Client For Halo",
          theme_color: "#fff",
        },
        disable: true,
      }),
    ],
    resolve: {
      alias: {
        "@": fileURLToPath(new URL("./src", import.meta.url)),
      },
    },
    server: {
      port: 3000,
    },
    build: {
      chunkSizeWarningLimit: 2048,
    },
  });
};