import { FlatCompat } from '@eslint/eslintrc';
import js from '@eslint/js';
import typescriptEslint from '@typescript-eslint/eslint-plugin';
import typescriptParser from '@typescript-eslint/parser';
import prettier from 'eslint-config-prettier';
import importPlugin from 'eslint-plugin-import';
import jestDom from 'eslint-plugin-jest-dom';
import jsxA11y from 'eslint-plugin-jsx-a11y';
import react from 'eslint-plugin-react';
import reactHooks from 'eslint-plugin-react-hooks';
import testingLibrary from 'eslint-plugin-testing-library';
import { dirname } from 'path';
import { fileURLToPath } from 'url';

const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);

const compat = new FlatCompat({
  baseDirectory: __dirname,
});

const eslintConfig = [
  js.configs.recommended,
  ...compat.extends('next/core-web-vitals', 'next/typescript'),
  {
    files: ['**/*.{js,jsx,ts,tsx}'],
    plugins: {
      '@typescript-eslint': typescriptEslint,
      react,
      'react-hooks': reactHooks,
      'jsx-a11y': jsxA11y,
      import: importPlugin,
    },
    languageOptions: {
      parser: typescriptParser,
      parserOptions: {
        ecmaVersion: 'latest',
        sourceType: 'module',
        ecmaFeatures: {
          jsx: true,
        },
      },
    },
    settings: {
      react: {
        version: 'detect',
      },
      'import/resolver': {
        typescript: {
          alwaysTryTypes: true,
        },
        node: {
          extensions: ['.js', '.jsx', '.ts', '.tsx'],
        },
      },
    },
    rules: {
      // TypeScript specific rules
      '@typescript-eslint/no-unused-vars': [
        'error',
        { argsIgnorePattern: '^_', varsIgnorePattern: '^_' },
      ],
      '@typescript-eslint/no-explicit-any': 'warn',
      '@typescript-eslint/prefer-as-const': 'error',
      '@typescript-eslint/no-non-null-assertion': 'warn',

      // React specific rules
      'react/react-in-jsx-scope': 'off', // Not needed in Next.js
      'react/prop-types': 'off', // Using TypeScript
      'react/jsx-uses-react': 'off', // Not needed in Next.js
      'react/jsx-uses-vars': 'error',
      'react/jsx-key': 'error',
      'react/jsx-no-duplicate-props': 'error',
      'react/jsx-no-undef': 'error',
      'react/no-children-prop': 'error',
      'react/no-danger-with-children': 'error',
      'react/no-deprecated': 'error',
      'react/no-direct-mutation-state': 'error',
      'react/no-find-dom-node': 'error',
      'react/no-is-mounted': 'error',
      'react/no-render-return-value': 'error',
      'react/no-string-refs': 'error',
      'react/no-unescaped-entities': 'error',
      'react/no-unknown-property': 'error',
      'react/require-render-return': 'error',
      'react/self-closing-comp': 'error',

      // React Hooks rules
      'react-hooks/rules-of-hooks': 'error',
      'react-hooks/exhaustive-deps': 'warn',

      // Import rules
      'import/order': [
        'error',
        {
          groups: ['builtin', 'external', 'internal', ['parent', 'sibling'], 'index'],
          'newlines-between': 'always',
          alphabetize: {
            order: 'asc',
            caseInsensitive: true,
          },
        },
      ],
      'import/no-duplicates': 'error',
      'import/no-unresolved': 'error',
      'import/no-cycle': 'error',

      // General rules
      'no-console': 'warn',
      'no-debugger': 'error',
      'no-alert': 'error',
      'no-var': 'error',
      'prefer-const': 'error',
      'no-unused-expressions': 'error',
      'no-duplicate-imports': 'error',
    },
  },
  {
    files: ['**/__tests__/**/*', '**/*.{test,spec}.{js,jsx,ts,tsx}'],
    plugins: {
      'testing-library': testingLibrary,
      'jest-dom': jestDom,
    },
    rules: {
      ...testingLibrary.configs.react.rules,
      ...jestDom.configs.recommended.rules,
    },
  },
  prettier, // Must be last to override other configs
];

export default eslintConfig;