// ESLint v9 Flat Config
import tseslint from 'typescript-eslint';
import svelte from 'eslint-plugin-svelte';
import prettier from 'eslint-config-prettier';
import globals from 'globals';

export default [
  // Ignore patterns
  {
    ignores: [
      '**/node_modules/**',
      '**/dist/**',
      '**/build/**',
      '**/.svelte-kit/**',
      '**/coverage/**',
      '**/*.min.js',
    ],
  },

  // Base recommended configs
  ...tseslint.configs.recommended,
  ...svelte.configs['flat/recommended'],
  prettier,

  // Configuration for all files
  {
    languageOptions: {
      globals: {
        ...globals.browser,
        ...globals.node,
      },
    },
    rules: {
      '@typescript-eslint/no-unused-vars': [
        'error',
        {
          argsIgnorePattern: '^_',
          varsIgnorePattern: '^_',
        },
      ],
      '@typescript-eslint/no-explicit-any': 'warn',
      'no-console': ['warn', { allow: ['warn', 'error'] }],
      'prefer-const': 'error',
      'no-var': 'error',
    },
  },

  // Svelte-specific config
  {
    files: ['**/*.svelte'],
    languageOptions: {
      parserOptions: {
        parser: tseslint.parser,
      },
    },
    rules: {
      'svelte/no-at-html-tags': 'error',
      'svelte/no-target-blank': 'error',
      '@typescript-eslint/no-explicit-any': 'off', // Allow any in Svelte files
    },
  },
];