import type { Config } from 'jest'
import nextJest from 'next/jest.js'
 
const createJestConfig = nextJest({
  // Provide the path to your Next.js app to load next.config.js and .env files in your test environment
  dir: './',
})
 
// Add any custom config to be passed to Jest
const config: Config = {
  coverageProvider: 'babel',
  testEnvironment: 'jsdom',
  // Add more setup options before each test is run
  setupFilesAfterEnv: ['<rootDir>/jest.setup.ts'],
  // Ignore tests inside __mocks__ directory
  testPathIgnorePatterns: ['/node_modules/', '/__mocks__/'],
  // Transform react-markdown and other ESM modules
  transformIgnorePatterns: [
    'node_modules/(?!(react-markdown|remark-.*|rehype-.*|unified|bail|is-plain-obj|trough|vfile|vfile-message|unist-.*|micromark|parse-entities|character-entities|mdast-.*|hast-.*|property-information|space-separated-tokens|comma-separated-tokens|web-namespaces|zwitch|longest-streak|ccount)/)'
  ],
  // Fix for production React builds
  testEnvironmentOptions: {
    customExportConditions: [''],
  },
  // Module name mapping to fix haste collision
  moduleNameMapper: {
    '^@/(.*)$': '<rootDir>/$1',
  },
  // Fix haste collision by excluding .next directory
  haste: {
    hasteImplModulePath: undefined,
  },
  // Exclude problematic directories from haste
  modulePathIgnorePatterns: ['<rootDir>/.next/'],
  // Clear mocks between tests
  clearMocks: true,
  // Reset modules between tests
  resetMocks: true,
  // Restore mocks between tests
  restoreMocks: true,
}
 
// createJestConfig is exported this way to ensure that next/jest can load the Next.js config which is async
export default createJestConfig(config)