module.exports = {
  root: true,
  parser: '@typescript-eslint/parser',
  parserOptions: {
    ecmaVersion: 2022,
    sourceType: 'module',
    project: ['./tsconfig.json', './packages/*/tsconfig.json'],
    tsconfigRootDir: __dirname,
  },
  plugins: [
    '@typescript-eslint',
    'import',
    'node',
    'prettier'
  ],
  extends: [
    'eslint:recommended',
    '@typescript-eslint/recommended',
    '@typescript-eslint/recommended-requiring-type-checking',
    'plugin:import/recommended',
    'plugin:import/typescript',
    'plugin:node/recommended',
    'prettier'
  ],
  env: {
    node: true,
    es2022: true,
    jest: true
  },
  settings: {
    'import/resolver': {
      typescript: {
        alwaysTryTypes: true,
        project: ['./tsconfig.json', './packages/*/tsconfig.json']
      },
      node: {
        extensions: ['.js', '.jsx', '.ts', '.tsx', '.json']
      }
    },
    'import/parsers': {
      '@typescript-eslint/parser': ['.ts', '.tsx']
    }
  },
  rules: {
    // TypeScript specific rules
    '@typescript-eslint/no-unused-vars': ['error', { 
      argsIgnorePattern: '^_',
      varsIgnorePattern: '^_'
    }],
    '@typescript-eslint/explicit-function-return-type': 'off',
    '@typescript-eslint/explicit-module-boundary-types': 'off',
    '@typescript-eslint/no-explicit-any': 'warn',
    '@typescript-eslint/no-non-null-assertion': 'warn',
    '@typescript-eslint/prefer-const': 'error',
    '@typescript-eslint/no-var-requires': 'error',
    '@typescript-eslint/ban-ts-comment': 'warn',
    '@typescript-eslint/no-empty-function': 'warn',
    '@typescript-eslint/no-inferrable-types': 'off',
    '@typescript-eslint/consistent-type-imports': ['error', {
      prefer: 'type-imports',
      disallowTypeAnnotations: false
    }],
    '@typescript-eslint/consistent-type-definitions': ['error', 'interface'],
    '@typescript-eslint/array-type': ['error', { default: 'array-simple' }],
    '@typescript-eslint/prefer-nullish-coalescing': 'error',
    '@typescript-eslint/prefer-optional-chain': 'error',
    '@typescript-eslint/no-unnecessary-type-assertion': 'error',
    '@typescript-eslint/no-floating-promises': 'error',
    '@typescript-eslint/await-thenable': 'error',
    '@typescript-eslint/require-await': 'error',
    '@typescript-eslint/no-misused-promises': 'error',

    // Import/Export rules
    'import/order': ['error', {
      groups: [
        'builtin',
        'external',
        'internal',
        'parent',
        'sibling',
        'index'
      ],
      'newlines-between': 'always',
      alphabetize: {
        order: 'asc',
        caseInsensitive: true
      }
    }],
    'import/no-unresolved': 'error',
    'import/no-cycle': 'error',
    'import/no-self-import': 'error',
    'import/no-useless-path-segments': 'error',
    'import/prefer-default-export': 'off',
    'import/no-default-export': 'off',
    'import/no-duplicates': 'error',

    // Node.js specific rules
    'node/no-missing-import': 'off', // Handled by TypeScript
    'node/no-unsupported-features/es-syntax': 'off', // We use Babel/TypeScript
    'node/no-unpublished-import': 'off',
    'node/no-extraneous-import': 'off', // Handled by import plugin
    'node/prefer-global/process': 'error',
    'node/prefer-global/console': 'error',
    'node/prefer-global/buffer': 'error',
    'node/prefer-global/url': 'error',

    // General JavaScript/TypeScript rules
    'no-console': 'warn',
    'no-debugger': 'error',
    'no-alert': 'error',
    'no-var': 'error',
    'prefer-const': 'error',
    'prefer-template': 'error',
    'prefer-arrow-callback': 'error',
    'arrow-spacing': 'error',
    'object-shorthand': 'error',
    'prefer-destructuring': ['error', {
      array: false,
      object: true
    }],
    'no-duplicate-imports': 'error',
    'no-useless-constructor': 'error',
    'no-useless-rename': 'error',
    'no-useless-return': 'error',
    'no-unreachable': 'error',
    'no-trailing-spaces': 'error',
    'eol-last': 'error',
    'comma-dangle': ['error', 'always-multiline'],
    'semi': ['error', 'always'],
    'quotes': ['error', 'single', { avoidEscape: true }],

    // Security rules
    'no-eval': 'error',
    'no-implied-eval': 'error',
    'no-new-func': 'error',
    'no-script-url': 'error',

    // Performance rules
    'no-async-promise-executor': 'error',
    'no-await-in-loop': 'warn',
    'no-promise-executor-return': 'error',

    // Prettier integration
    'prettier/prettier': 'error'
  },
  overrides: [
    // Configuration files
    {
      files: [
        '*.config.js',
        '*.config.ts',
        '.eslintrc.js',
        'jest.config.js',
        'vite.config.ts'
      ],
      rules: {
        'node/no-unpublished-require': 'off',
        '@typescript-eslint/no-var-requires': 'off'
      }
    },
    // Test files
    {
      files: ['**/*.test.ts', '**/*.spec.ts', '**/__tests__/**/*'],
      env: {
        jest: true
      },
      rules: {
        '@typescript-eslint/no-explicit-any': 'off',
        '@typescript-eslint/no-non-null-assertion': 'off',
        'no-console': 'off'
      }
    },
    // Frontend specific rules
    {
      files: ['packages/frontend/**/*'],
      env: {
        browser: true,
        node: false
      },
      rules: {
        'node/prefer-global/process': 'off'
      }
    },
    // API and Worker specific rules
    {
      files: ['packages/api/**/*', 'packages/worker/**/*'],
      env: {
        node: true,
        browser: false
      },
      rules: {
        'no-console': 'off' // Allow console in server code
      }
    }
  ],
  ignorePatterns: [
    'node_modules/',
    'dist/',
    'build/',
    'coverage/',
    '*.min.js',
    '*.bundle.js'
  ]
};