/// <reference types="vitest/config" />
import { fileURLToPath, URL } from "node:url";
import { defineConfig } from "vite";
import react from "@vitejs/plugin-react";

// The SPA is served by the FastAPI dashboard (agent_team/dashboard.py) from
// web/dist at LAN :8770. In dev, proxy /api to a locally running dashboard so
// `npm run dev` talks to real data without CORS. No CDN — everything bundles
// locally (the dashboard is offline/LAN-only).
export default defineConfig({
  plugins: [react()],
  resolve: {
    alias: {
      "@": fileURLToPath(new URL("./src", import.meta.url)),
    },
  },
  build: {
    outDir: "dist",
    emptyOutDir: true,
    sourcemap: false,
    rollupOptions: {
      output: {
        // Split heavy vendors into their own chunks so the app/UI code isn't
        // re-downloaded when only a component changes, and to clear the 500 kB
        // single-chunk warning. Function form (not object) so react-dom and
        // transitive deps bucket precisely instead of collapsing into a stub.
        manualChunks(id) {
          if (!id.includes("node_modules")) return;
          if (/[\\/]node_modules[\\/](react|react-dom|scheduler)[\\/]/.test(id))
            return "react";
          if (id.includes("reactflow") || id.includes("dagre")) return "flow";
          if (id.includes("@radix-ui")) return "radix";
          if (
            id.includes("react-markdown") ||
            id.includes("micromark") ||
            id.includes("mdast") ||
            id.includes("hast") ||
            id.includes("unist") ||
            id.includes("unified") ||
            id.includes("remark") ||
            id.includes("vfile") ||
            id.includes("property-information") ||
            id.includes("/decode-named-character-reference/") ||
            id.includes("character-entities")
          )
            return "markdown";
          return "vendor";
        },
      },
    },
  },
  server: {
    proxy: {
      "/api": {
        target: process.env.AGENT_TEAM_DASH || "http://127.0.0.1:8770",
        changeOrigin: true,
      },
    },
  },
  test: {
    globals: true,
    environment: "jsdom",
    setupFiles: ["./src/test/setup.ts"],
    css: false,
    // Unit tests live under src/. Scope vitest there so it does NOT pick up the
    // Playwright e2e specs in e2e/ (they import @playwright/test — the Playwright
    // runner, not vitest — and fail to load under `vitest run`).
    include: ["src/**/*.{test,spec}.{ts,tsx}"],
  },
});