import js from '@eslint/js'
import globals from 'globals'
import reactHooks from 'eslint-plugin-react-hooks'
import reactRefresh from 'eslint-plugin-react-refresh'
import tseslint from 'typescript-eslint'
import { defineConfig, globalIgnores } from 'eslint/config'

export default defineConfig([
  globalIgnores(['dist', 'src-tauri']),
  {
    files: ['**/*.{ts,tsx}'],
    extends: [
      js.configs.recommended,
      tseslint.configs.recommended,
      reactHooks.configs['recommended-latest'],
      reactRefresh.configs.vite,
    ],
    languageOptions: {
      ecmaVersion: 2020,
      globals: globals.browser,
    },
    rules: {
      // Allow underscore-prefixed variables to be unused (common pattern for intentionally unused params)
      '@typescript-eslint/no-unused-vars': ['error', { 
        argsIgnorePattern: '^_',
        varsIgnorePattern: '^_',
        caughtErrorsIgnorePattern: '^_'
      }],
      // Allow empty interfaces that extend other interfaces (useful for type aliases)
      '@typescript-eslint/no-empty-object-type': 'off',
      // Allow exporting constants/functions alongside components (common pattern)
      'react-refresh/only-export-components': ['warn', { allowConstantExport: true }],
    },
  },
])
