// @vitest-environment node
// ESLint Node API tests must run in the Node environment — the default
// happy-dom environment's `document` object causes case-police's dirs.cjs
// (which uses `document.currentScript.src` for __dirname resolution)
// to fail with "The URL must be of scheme file".
import { fileURLToPath } from 'node:url'
import path from 'node:path'
import { describe, expect, it } from 'vitest'
import { ESLint } from 'eslint'

const __filename = fileURLToPath(import.meta.url)
const __dirname = path.dirname(__filename)
const rootDir = path.resolve(__dirname, '../../')

const eslint = new ESLint({ cwd: rootDir })

async function boundaryErrors(filePath: string, code: string) {
  const [result] = await eslint.lintText(code, { filePath })

  return result.messages.filter(m => m.ruleId === 'boundaries/element-types')
}

describe('boundaries — v2 zones', () => {
  it('allows pages-v2 → components-v2', async () => {
    const errs = await boundaryErrors(
      'src/pages-v2/dashboard.vue',
      '<script setup lang="ts">import X from \'@/components-v2/shared/X.vue\'</script><template><X /></template>',
    )

    expect(errs).toHaveLength(0)
  })

  it('allows components-v2 → components-foundation (FormField bridge)', async () => {
    const errs = await boundaryErrors(
      'src/components-v2/forms/Demo.vue',
      '<script setup lang="ts">import FormField from \'@/components/forms/FormField.vue\'</script><template><FormField /></template>',
    )

    expect(errs).toHaveLength(0)
  })

  it('forbids v1 components → components-v2 (no back-porting)', async () => {
    const errs = await boundaryErrors(
      'src/components/organizer/Legacy.vue',
      '<script setup lang="ts">import X from \'@/components-v2/shared/X.vue\'</script><template><X /></template>',
    )

    expect(errs.length).toBeGreaterThan(0)
  })
})