const nextJest = require('next/jest')

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 customJestConfig = {
  setupFilesAfterEnv: ['<rootDir>/jest.setup.js'],
  testEnvironment: 'jest-environment-jsdom',
  moduleNameMapper: {
    '^@/(.*)$': '<rootDir>/src/$1',
  },
  testMatch: [
    '**/__tests__/**/*.[jt]s?(x)',
    '**/?(*.)+(spec|test).[jt]s?(x)',
  ],
  collectCoverageFrom: [
    'src/**/*.{js,jsx,ts,tsx}',
    '!src/**/*.d.ts',
    '!src/**/*.stories.{js,jsx,ts,tsx}',
    '!src/**/__tests__/**',
  ],
  coverageThreshold: {
    global: {
      branches: 60, // Start lower, increase as tests are added
      functions: 60,
      lines: 60,
      statements: 60,
    },
    // Higher thresholds for critical utilities
    'src/lib/sanitize.ts': {
      branches: 100,
      functions: 100,
      lines: 100,
      statements: 100,
    },
    'src/lib/csrf.ts': {
      branches: 100,
      functions: 100,
      lines: 100,
      statements: 100,
    },
    'src/lib/rate-limit.ts': {
      branches: 100,
      functions: 100,
      lines: 100,
      statements: 100,
    },
  },
  coverageReporters: ['text', 'lcov', 'html', 'json', 'json-summary'],
  collectCoverage: false, // Set to true when running coverage
  coverageDirectory: '<rootDir>/coverage',
}

// createJestConfig is exported this way to ensure that next/jest can load the Next.js config which is async
module.exports = createJestConfig(customJestConfig)