import path from 'node:path';
import { fileURLToPath } from 'node:url';
import js from '@eslint/js';
import globals from 'globals';
import { FlatCompat } from '@eslint/eslintrc';
import tsParser from '@typescript-eslint/parser';
import typescriptEslint from '@typescript-eslint/eslint-plugin';

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
const compat = new FlatCompat({
  baseDirectory: __dirname,
  recommendedConfig: js.configs.recommended,
  allConfig: js.configs.all,
});

export default [
  ...compat.extends('eslint:recommended', 'prettier'),
  {
    files: ['**/*.ts'],

    plugins: {
      '@typescript-eslint': typescriptEslint,
    },

    languageOptions: {
      ecmaVersion: 5,
      sourceType: 'script',

      parser: tsParser,
      parserOptions: {
        project: './tsconfig.json',
      },
      globals: {
        ...globals.node,
      },
    },

    rules: {
      'arrow-spacing': [
        'warn',
        {
          before: true,
          after: true,
        },
      ],

      'brace-style': [
        'error',
        '1tbs',
        {
          allowSingleLine: true,
        },
      ],

      'comma-dangle': ['error', 'always-multiline'],
      'comma-spacing': 'error',
      'comma-style': 'error',
      curly: ['error', 'multi-line', 'consistent'],
      'dot-location': ['error', 'property'],
      'handle-callback-err': 'off',
      'keyword-spacing': 'error',

      'max-nested-callbacks': [
        'error',
        {
          max: 4,
        },
      ],

      'max-statements-per-line': [
        'error',
        {
          max: 2,
        },
      ],

      'no-console': 'off',
      'no-empty-function': 'error',
      'no-floating-decimal': 'error',
      'no-inline-comments': 'error',
      'no-lonely-if': 'error',
      'no-multi-spaces': 'error',

      'no-multiple-empty-lines': [
        'error',
        {
          max: 2,
          maxEOF: 1,
          maxBOF: 0,
        },
      ],

      'no-shadow': [
        'error',
        {
          allow: ['err', 'resolve', 'reject'],
        },
      ],

      'no-trailing-spaces': ['error'],
      'no-var': 'error',
      'object-curly-spacing': ['error', 'always'],
      'prefer-const': 'error',
      quotes: ['warn', 'single'],
      semi: ['error', 'always'],
      'space-before-blocks': 'error',

      'space-before-function-paren': [
        'error',
        {
          anonymous: 'never',
          named: 'never',
          asyncArrow: 'always',
        },
      ],

      'space-in-parens': 'error',
      'space-infix-ops': 'error',
      'space-unary-ops': 'error',
      'spaced-comment': 'error',
      yoda: 'error',

      'no-redeclare': 'off',
      'no-unused-vars': 'off', // This is causing issues
    },
  },
];