module.exports = {
  preset: 'ts-jest',
  testEnvironment: 'node',
  roots: ['<rootDir>/src', '<rootDir>/tests'],
  testMatch: [
    '**/__tests__/**/*.+(ts|tsx|js)',
    '**/*.(test|spec).+(ts|tsx|js)'
  ],
  transform: {
    '^.+\\.(ts|tsx)$': 'ts-jest'
  },
  collectCoverageFrom: [
    'src/**/*.{ts,tsx}',
    '!src/**/*.d.ts',
    '!src/swagger.ts', // Skip swagger spec file
    '!src/types/**/*', // Skip type definitions
    '!src/server.ts', // Skip main server as it's integration-focused
    '!src/frontend/**/*', // Skip frontend files (use DOM types, tested separately)
    '!src/i18n/**/*', // Skip i18n files (utility functions, tested separately)
    '!src/services/MapImageService.ts' // Skip map service (requires external API, tested separately)
  ],
  coverageDirectory: 'coverage',
  coverageReporters: ['text', 'lcov', 'html'],
  coverageThreshold: {
    global: {
      branches: 60,
      functions: 65,
      lines: 65,
      statements: 65
    }
  },
  setupFilesAfterEnv: ['<rootDir>/tests/setup.ts'],
  testTimeout: 10000,
  verbose: true
};