// Root ESLint config for monorepo
module.exports = {
  root: true,
  parser: '@typescript-eslint/parser',
  parserOptions: {
    ecmaVersion: 2022,
    sourceType: 'module',
  },
  plugins: ['@typescript-eslint', 'security'],
  extends: [
    'eslint:recommended',
    'plugin:@typescript-eslint/recommended',
    'plugin:security/recommended',
    'plugin:prettier/recommended',
  ],
  rules: {
    // Type Safety - STRICT
    '@typescript-eslint/no-explicit-any': 'error',
    '@typescript-eslint/explicit-function-return-type': 'warn',
    '@typescript-eslint/explicit-module-boundary-types': 'error',
    '@typescript-eslint/no-unused-vars': ['error', { argsIgnorePattern: '^_' }],

    // Promise/Async Safety
    '@typescript-eslint/no-floating-promises': 'error',
    '@typescript-eslint/no-misused-promises': 'error',
    '@typescript-eslint/await-thenable': 'error',

    // Code Quality
    '@typescript-eslint/no-var-requires': 'error',
    '@typescript-eslint/prefer-nullish-coalescing': 'warn',
    '@typescript-eslint/prefer-optional-chain': 'warn',

    // Prettier
    'prettier/prettier': [
      'error',
      {
        endOfLine: 'auto',
      },
    ],
  },
  ignorePatterns: [
    'node_modules',
    'dist',
    'build',
    '.next',
    'out',
    'coverage',
    '.turbo',
  ],
  overrides: [
    {
      // Next.js apps
      files: ['apps/**/app/**/*.{ts,tsx}', 'apps/**/pages/**/*.{ts,tsx}'],
      extends: ['next/core-web-vitals'],
    },
    {
      // NestJS apps
      files: ['apps/**/*.controller.ts', 'apps/**/*.service.ts', 'apps/**/*.module.ts'],
      rules: {
        '@typescript-eslint/explicit-function-return-type': 'error',
      },
    },
  ],
};