// vite.config.ts
/// <reference types="vitest" />
import path from 'path';
import { defineConfig } from 'vitest/config';
import react from '@vitejs/plugin-react';

/**
 * This is the main configuration file for Vite and the Vitest 'unit' test project.
 * When running `vitest`, it is orchestrated by `vitest.workspace.ts`, which
 * separates the unit and integration test environments.
 */
export default defineConfig({
  // Vite-specific configuration for the dev server, build, etc.
  // This is inherited by all Vitest projects.
  plugins: [react()],
  server: {
    port: 3000,
    host: '0.0.0.0',
  },
  resolve: {
    alias: {
      '@': path.resolve(process.cwd(), './src'),
    },
  },

  // Vitest-specific configuration for the 'unit' test project.
  test: {
    // The name for this project is defined by the filename in the workspace config.
    environment: 'jsdom',
    globalSetup: './src/tests/setup/global-setup.ts',
    setupFiles: ['./src/tests/setup/unit-setup.ts'],
    // Exclude integration tests and other non-test files from the unit test runner.
    exclude: [
      '**/node_modules/**',
      '**/dist/**',
      '**/*.integration.test.ts',
      '**/*.e2e.test.ts'
    ],
    coverage: {
      provider: 'v8',
      reporter: ['text', 'html'],
      reportsDirectory: './coverage',
      include: ['src/**/*.{ts,tsx}'],
      exclude: [
        'src/main.tsx', 'src/vite-env.d.ts', 'src/types.ts', 'src/vitest.setup.ts',
        'src/**/*.test.{ts,tsx}', 'src/components/icons', 'src/services/logger.ts', 'src/services/notificationService.ts'
      ],
    },
  },
});