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

export default defineConfig({
  plugins: [react()],
  test: {
    // Test environment
    environment: 'jsdom',
    
    // Use threads pool instead of forks for better ESM support
    pool: 'threads',
    
    // Global setup files
    setupFiles: ['./tests/setup.ts'],
    
    // Globals
    globals: true,
    
    // Coverage configuration
    coverage: {
      provider: 'v8',
      reporter: ['text', 'json', 'html'],
      exclude: [
        'node_modules/',
        'tests/',
        '**/*.d.ts',
        '**/*.config.*',
        '**/mockData/**',
        'public/',
        '.next/',
      ],
      // Set thresholds for coverage
      thresholds: {
        lines: 60,
        functions: 60,
        branches: 60,
        statements: 60,
      },
    },
    
    // Include and exclude patterns
    include: ['**/*.{test,spec}.{js,mjs,cjs,ts,mts,cts,jsx,tsx}'],
    exclude: ['node_modules', '.next', 'dist', 'build'],
    
    // Timeouts
    testTimeout: 10000,
    hookTimeout: 10000,
  },
  
  resolve: {
    alias: {
      '@': path.resolve(__dirname, './'),
      '@/app': path.resolve(__dirname, './app'),
      '@/utils': path.resolve(__dirname, './utils'),
      '@/types': path.resolve(__dirname, './types'),
      '@/public': path.resolve(__dirname, './public'),
      '@tests': path.resolve(__dirname, './tests'),
    },
  },
});