import { defineConfig } from "vite";
import react from "@vitejs/plugin-react";
import tailwindcss from "@tailwindcss/vite";
import path from "path";

export default defineConfig({
  base: "/demo/",

  resolve: {
    alias: {
      "@understand-anything/core/schema": path.resolve(__dirname, "../core/dist/schema.js"),
      "@understand-anything/core/search": path.resolve(__dirname, "../core/dist/search.js"),
      "@understand-anything/core/types": path.resolve(__dirname, "../core/dist/types.js"),
    },
  },

  define: {
    "import.meta.env.VITE_DEMO_MODE": JSON.stringify("true"),
  },

  build: {
    rollupOptions: {
      output: {
        manualChunks(id) {
          if (!id.includes("node_modules")) return;
          if (/[\\/]node_modules[\\/](react|react-dom|scheduler)[\\/]/.test(id)) {
            return "react-vendor";
          }
          if (id.includes("node_modules/@xyflow/")) return "xyflow";
          if (
            id.includes("node_modules/@dagrejs/") ||
            id.includes("node_modules/d3-force/")
          ) {
            return "graph-layout";
          }
          if (
            id.includes("node_modules/react-markdown/") ||
            id.includes("node_modules/hast-util-to-jsx-runtime/") ||
            /[\\/]node_modules[\\/](remark|rehype|mdast|hast|unist|micromark|decode-named-character-reference|property-information|space-separated-tokens|comma-separated-tokens|html-url-attributes|devlop|bail|ccount|character-entities|is-plain-obj|trim-lines|trough|unified|vfile|zwitch)/.test(id)
          ) {
            return "markdown";
          }
        },
      },
    },
  },

  plugins: [react(), tailwindcss()],
});