import { resolve } from "node:path";
import { fileURLToPath } from "node:url";

const __dirname = fileURLToPath(new URL(".", import.meta.url));

/**
 * Vite 설정 — 임도 설계 웹앱 (Vanilla TS + Three.js)
 *
 * - root: A00_Common (index.html 위치)
 * - 페이지 폴더(A01_Home 등)는 ../를 통해 접근
 * - 0_old(구형 코드), venv(파이썬)는 빌드에서 제외
 */
export default {
  root: "A00_Common",
  publicDir: false,
  cacheDir: "config/node_modules/.vite",
  resolve: {
    alias: {
      "@ui": resolve(__dirname, "./ui_template"),
      "@config": resolve(__dirname, "./config"),
      "@util": resolve(__dirname, "./common_util"),
      three: resolve(__dirname, "./config/node_modules/three"),
      "maplibre-gl": resolve(__dirname, "./config/node_modules/maplibre-gl"),
      // WebCAD(B07) — GPL 컨버터는 스텁으로 차단, MIT 패키지만 실제 번들
      "@mlightcad/dxf-json-converter": resolve(__dirname, "./config/config_cad_gpl_stub.ts"),
      "@mlightcad/libredwg-converter": resolve(__dirname, "./config/config_cad_gpl_stub.ts"),
      "@mlightcad/cad-simple-viewer": resolve(
        __dirname,
        "./config/node_modules/@mlightcad/cad-simple-viewer",
      ),
      "@mlightcad/data-model": resolve(__dirname, "./config/node_modules/@mlightcad/data-model"),
      "lodash-es": resolve(__dirname, "./config/node_modules/lodash-es"),
    },
  },
  server: {
    port: 5173,
    open: false,
    // 백엔드(FastAPI) 프록시 — config_frontend.ts의 API_BASE_URL과 정합
    proxy: {
      "/api": {
        target: "http://localhost:8000",
        changeOrigin: true,
      },
      // WebCAD 전체 앱 (B07 iframe) — FastAPI 정적 마운트로 위임
      "/cadviewer": {
        target: "http://localhost:8000",
        changeOrigin: true,
      },
    },
  },
  build: {
    outDir: "../config/node_modules/.build",
    emptyOutDir: true,
    target: "es2022",
  },
  optimizeDeps: {
    exclude: ["0_old"],
  },
};