import path from "node:path";
import { defineConfig, loadEnv } from "vite";
import react from "@vitejs/plugin-react";
import { tanstackRouter } from "@tanstack/router-plugin/vite";

const host = process.env.TAURI_DEV_HOST;

// https://vite.dev/config/
export default defineConfig(async ({ mode }) => {
  const modeEnv = loadEnv(mode, __dirname, "");
  const protectedFeaturesEnabled =
    (process.env.VITE_BUZZ_BESTIE ?? modeEnv.VITE_BUZZ_BESTIE) === "1";

  return {
    plugins: [
      tanstackRouter({
        target: "react",
        routesDirectory: "./src/app/routes",
        generatedRouteTree: "./src/app/routeTree.gen.ts",
        virtualRouteConfig: "./src/app/routes.ts",
        quoteStyle: "double",
        semicolons: true,
        routeTreeFileHeader: [
          "// biome-ignore-all lint: generated by TanStack Router",
        ],
      }),
      react(),
    ],
    resolve: {
      alias: {
        "@": "/src",
        "@features-manifest": path.resolve(
          __dirname,
          "../preview-features.json",
        ),
        "@protected-features": path.resolve(
          __dirname,
          protectedFeaturesEnabled
            ? "./src/protectedFeatures/internal.ts"
            : "./src/protectedFeatures/public.ts",
        ),
        "@protected-feature-components": path.resolve(
          __dirname,
          protectedFeaturesEnabled
            ? "./src/protectedFeatures/internalUi.ts"
            : "./src/protectedFeatures/publicUi.ts",
        ),
        "@model-capabilities-manifest": path.resolve(
          __dirname,
          "../scripts/model-capabilities.json",
        ),
      },
    },

    // Vite options tailored for Tauri development and only applied in `tauri dev` or `tauri build`
    //
    // 1. prevent Vite from obscuring rust errors
    clearScreen: false,
    // 2. tauri expects a fixed port, fail if that port is not available
    server: {
      port: parseInt(process.env.VITE_PORT || "1420", 10),
      strictPort: true,
      host: host || false,
      hmr: host
        ? {
            protocol: "ws",
            host,
            port: parseInt(process.env.VITE_HMR_PORT || "1421", 10),
          }
        : undefined,
      watch: {
        // 3. tell Vite to ignore watching `src-tauri`
        ignored: ["**/src-tauri/**"],
      },
    },
  };
});