// eslint.config.js - CommonJS format
const tseslint = require('@typescript-eslint/eslint-plugin');
const tsparser = require('@typescript-eslint/parser');
const importPlugin = require('eslint-plugin-import');
const js = require('@eslint/js');

module.exports = [
  js.configs.recommended,
  {
    ignores: [
      'dist/**',
      'build/**',
      'node_modules/**',
      '*.min.js',
      '.eslintcache',
      '*.tsbuildinfo',
      '.vscode/**',
      '.idea/**'
    ]
  },
  {
    files: ['**/*.ts'],
    languageOptions: {
      parser: tsparser,
      parserOptions: {
        ecmaVersion: 2020,
        sourceType: 'module',
        project: './tsconfig.json'
      },
      ecmaVersion: 2020,
      sourceType: 'module',
      globals: {
        document: 'readonly',
        navigator: 'readonly',
        window: 'readonly',
        console: 'readonly',
        alert: 'readonly',
        setTimeout: 'readonly',
        clearTimeout: 'readonly',
        localStorage: 'readonly',
        atob: 'readonly',
        btoa: 'readonly',
        crypto: 'readonly',
        WebSocket: 'readonly'
      }
    },
    plugins: {
      '@typescript-eslint': tseslint,
      'import': importPlugin
    },
    rules: {
      // TypeScript specific rules
      '@typescript-eslint/explicit-module-boundary-types': 'warn',
      '@typescript-eslint/no-explicit-any': 'warn',
      '@typescript-eslint/no-unused-vars': ['error', { 'argsIgnorePattern': '^_', 'varsIgnorePattern': '^_' }],
      '@typescript-eslint/consistent-type-definitions': ['error', 'interface'],
      '@typescript-eslint/consistent-type-imports': 'error',

      // Import rules
      'import/no-unresolved': 'off', // Turn off because we're using TypeScript paths
      'import/named': 'error',
      'import/default': 'error',
      'import/namespace': 'error',
      'import/order': [
        'error',
        {
          'groups': ['builtin', 'external', 'internal', 'parent', 'sibling', 'index'],
          'newlines-between': 'always',
          'alphabetize': { 'order': 'asc', 'caseInsensitive': true }
        }
      ],

      // General ESLint rules
      'no-console': 'off', // Allowing console statements
      'eqeqeq': ['error', 'always'],
      'no-var': 'error',
      'prefer-const': 'error',
      'curly': 'error',
    }
  },
  // JavaScript config for Node.js files
  {
    files: ['**/*.js'],
    languageOptions: {
      sourceType: 'commonjs',
      globals: {
        // Node globals
        process: 'readonly',
        module: 'writable',
        exports: 'writable',
        require: 'readonly',
        __dirname: 'readonly',
        __filename: 'readonly',
        Buffer: 'readonly',
        console: 'readonly',
        setTimeout: 'readonly',
        clearTimeout: 'readonly',
        setInterval: 'readonly',
        clearInterval: 'readonly'
      }
    },
    rules: {
      'no-undef': 'error',
      'no-unused-vars': 'error'
    }
  }
];