import { defineConfig } from 'vitest/config';
import react from '@vitejs/plugin-react';
import path from 'path';

const apiProxyTarget = process.env.API_PROXY_TARGET ?? 'http://localhost:3000';

export default defineConfig({
  plugins: [
    react(),
    {
      name: 'cmpp-production-build-guard',
      apply: 'build',
      configResolved(config) {
        if (!config.isProduction) {
          throw new Error('CMPP frontend builds require NODE_ENV=production; refusing a development React release.');
        }
      },
    },
  ],
  cacheDir: 'node_modules/.vite-cmpp',
  resolve: {
    alias: {
      '@': path.resolve(__dirname, 'src'),
    },
  },
  server: {
    port: 5173,
    strictPort: false,
    proxy: {
      '/api': {
        target: apiProxyTarget,
        changeOrigin: true,
      },
    },
  },
  optimizeDeps: {
    noDiscovery: true,
    include: [],
  },
  preview: {
    proxy: {
      '/api': {
        target: apiProxyTarget,
        changeOrigin: true,
      },
    },
  },
  test: {
    environment: 'jsdom',
    include: ['src/**/*.test.{ts,tsx}'],
    exclude: ['api/**', 'outputs/**', 'dist/**', 'node_modules/**'],
    setupFiles: ['./src/test/setup.ts'],
    coverage: {
      provider: 'v8',
      reporter: ['text', 'json-summary'],
      include: ['src/api/core/**/*.ts', 'src/apps/LoginPage.tsx', 'src/routes/RouteLoadBoundary.tsx'],
      thresholds: { lines: 80, functions: 80, branches: 70, statements: 80 },
    },
  },
});