module.exports = {
  preset: 'ts-jest',
  testEnvironment: 'node',
  roots: ['<rootDir>/src'],
  testMatch: [
    '**/__tests__/**/*.+(ts|tsx|js)',
    '**/*.(test|spec).+(ts|tsx|js)'
  ],
  transform: {
    '^.+\\.(ts|tsx)$': 'ts-jest'
  },
  collectCoverageFrom: [
    'src/**/*.{ts,tsx}',
    '!src/**/*.d.ts',
    '!src/**/*.test.{ts,tsx}',
    '!src/**/*.spec.{ts,tsx}'
  ],
  coverageDirectory: 'coverage',
  coverageReporters: ['text', 'lcov', 'html'],
  setupFilesAfterEnv: ['<rootDir>/src/test-setup.ts'],
  testTimeout: 30000, // 30 seconds for integration tests
  verbose: true,
  // Mock Firebase Admin SDK
  moduleNameMapping: {
    '^firebase-admin/(.*)$': '<rootDir>/src/__mocks__/firebase-admin/$1.js'
  }
};