const js = require('@eslint/js');
const globals = require('globals');
const prettier = require('eslint-config-prettier');
const { includeIgnoreFile } = require('@eslint/compat');
const path = require('node:path');

const gitignorePath = path.resolve(__dirname, '.gitignore');

module.exports = [
  includeIgnoreFile(gitignorePath),
  js.configs.recommended,
  prettier,
  {
    languageOptions: {
      ecmaVersion: 2022,
      sourceType: 'module',
      globals: {
        ...globals.node,     // All Node.js globals automatically
        ...globals.es2022    // Modern JavaScript globals
      }
    },
    rules: {
      // Code quality rules (compatible with Prettier)
      'no-unused-vars': [
        'error',
        {
          argsIgnorePattern: '^_',
          varsIgnorePattern: '^_',
          caughtErrorsIgnorePattern: '^_'
        }
      ],
      'no-undef': 'error',
      'eqeqeq': ['error', 'smart'],
      'curly': ['error', 'all'],
      
      // Server-friendly settings
      'no-console': 'off',                    // Allow console in server code
      'no-continue': 'off',                   // Allow continue statements
      'no-plusplus': ['error', { allowForLoopAfterthoughts: true }],
      
      // Modern JavaScript practices
      'prefer-const': 'error',                // Enforce const for immutable bindings
      'no-var': 'error',                      // Enforce let/const over var
      'object-shorthand': 'error',            // Modern object property syntax
      'prefer-arrow-callback': 'error',       // Modern callback style
      'no-duplicate-imports': 'error',        // Avoid duplicate imports
      'no-useless-constructor': 'error',      // Remove unnecessary constructors
      'no-useless-return': 'error',           // Remove unnecessary return statements
      'max-lines': ['warn', 300]
    },
    ignores: [
      'node_modules/',
      'dist/',
      'build/',
      'coverage/',
      '.next/',
      'out/',
      'branding/info/ai/**',
      'branding/info/js/plugin-stub.js',
      'branding/info/js/plugins.js',
      'branding/info/js/plugins-ui.js',
      '*.min.js',
      'package-lock.json',
      'npm-shrinkwrap.json'
    ]
  }
];