import { defineConfig } from 'eslint/config'
import typescriptEslint from '@typescript-eslint/eslint-plugin'
import prettier from 'eslint-plugin-prettier'
import tsParser from '@typescript-eslint/parser'
import path from 'node:path'
import { fileURLToPath } from 'node:url'
import js from '@eslint/js'
import { FlatCompat } from '@eslint/eslintrc'
import prettierConfig from './.prettierrc.json' with { type: 'json' }
import vitest from '@vitest/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 defineConfig([
  {
    extends: compat.extends(
      'eslint:recommended',
      'plugin:@typescript-eslint/eslint-recommended',
      'plugin:@typescript-eslint/recommended-requiring-type-checking',
      'plugin:@typescript-eslint/recommended',
      'prettier'
    ),

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

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

      parserOptions: {
        project: ['./tsconfig.test.json']
      }
    },

    rules: {
      'prettier/prettier': ['error', prettierConfig],
      ...vitest.configs.recommended.rules
    }
  }
])