import { fileURLToPath, URL } from 'node:url';

import react from '@vitejs/plugin-react';
import { defineConfig } from 'vite';

/**
 * Separate from vite.config.ts on purpose: the app's build config knows
 * nothing about a test runner, and vitest's `test` block is not a valid Vite
 * option, so mixing them makes `vite build` warn about an unknown key.
 */
export default defineConfig({
  plugins: [react()],
  resolve: {
    // Mirrors the "@/*" path mapping in tsconfig.json.
    alias: { '@': fileURLToPath(new URL('./src', import.meta.url)) },
  },
  test: {
    environment: 'jsdom',
    setupFiles: ['./src/test/setup.ts'],
    css: false,
    // e2e/ holds Playwright specs (a different `test()` global), and
    // contract/ hits the live stack over the network - neither belongs in
    // the hermetic default run. See vitest.contract.config.ts for the latter.
    exclude: ['node_modules/**', 'e2e/**', 'contract/**'],
    coverage: {
      provider: 'v8',
      reporter: ['text', 'text-summary'],
      include: ['src/**/*.{ts,tsx}'],
      exclude: ['src/main.tsx', 'src/vite-env.d.ts', 'src/**/*.d.ts'],
    },
  },
});