/**
 * ESLint focuses on correctness, NOT style — Prettier owns formatting.
 * Stylistic rules that fight Prettier are off.
 */
module.exports = {
  root: true,
  env: { browser: true, node: true, es2022: true },
  parser: '@typescript-eslint/parser',
  parserOptions: {
    ecmaVersion: 2022,
    sourceType: 'module',
    ecmaFeatures: { jsx: true }
  },
  plugins: ['@typescript-eslint', 'react', 'react-hooks'],
  settings: { react: { version: 'detect' } },
  extends: [
    'eslint:recommended',
    'plugin:@typescript-eslint/recommended',
    'plugin:react/recommended',
    'plugin:react-hooks/recommended'
  ],
  rules: {
    // React 17+ JSX transform — no need to import React in scope.
    'react/react-in-jsx-scope': 'off',
    'react/prop-types': 'off', // we use TS

    // Hooks correctness — high signal.
    'react-hooks/rules-of-hooks': 'error',
    'react-hooks/exhaustive-deps': 'warn',

    // TS — pragmatic, not strict.
    '@typescript-eslint/no-explicit-any': 'warn',
    '@typescript-eslint/no-unused-vars': [
      'warn',
      { argsIgnorePattern: '^_', varsIgnorePattern: '^_' }
    ],
    '@typescript-eslint/no-non-null-assertion': 'off',

    // Vanilla — common bugs.
    'no-console': ['warn', { allow: ['warn', 'error', 'info'] }],
    'no-debugger': 'error',
    'prefer-const': 'warn',
    eqeqeq: ['error', 'always', { null: 'ignore' }]
  },
  ignorePatterns: [
    'node_modules',
    'out',
    'release',
    'dist',
    '*.tsbuildinfo',
    'src/preload/index.d.ts'
  ],
  overrides: [
    {
      files: ['**/*.test.ts', '**/*.test.tsx'],
      env: { node: true }
    },
    {
      files: ['*.config.js', '*.config.ts', 'electron.vite.config.ts'],
      rules: { '@typescript-eslint/no-var-requires': 'off' }
    }
  ]
}