import assert from 'node:assert/strict'
import test from 'node:test'
import { ref } from 'vue'
import { useContentMarkdownBlocks } from '../composables/useContentMarkdownBlocks.js'

/**
 * 긴 본문 테스트용 Markdown을 만든다.
 * @param {number} count - 문단 개수
 * @param {number} length - 문단 길이
 * @returns {string} Markdown 본문
 */
const createLongMarkdown = (count, length) => {
  return Array.from({ length: count }, (_, index) => `문단 ${index} ${'가'.repeat(length)}`).join('\n\n')
}

test('공개 Markdown 블록 계산은 본문 파싱과 제목 ID 생성을 관리한다', () => {
  const state = useContentMarkdownBlocks({
    content: [
      '# 같은 제목',
      '## 같은 제목',
      '',
      '![](/uploads/posts/2026/07/a.jpg)',
      ':::gallery',
      '![](/uploads/posts/2026/07/b.jpg)',
      ':::'
    ].join('\n'),
    interactive: false,
    inArticleAdCode: ''
  })

  assert.deepEqual(state.blocks.value.map((block) => block.type), ['heading', 'heading', 'spacer', 'image', 'gallery'])
  assert.deepEqual(Object.values(state.headingIdsByBlock.value), ['같은-제목', '같은-제목-2'])
  assert.deepEqual(
    state.contentLightboxImages.value.map((image) => image.url),
    ['/uploads/posts/2026/07/a.jpg', '/uploads/posts/2026/07/b.jpg']
  )
})

test('공개 Markdown 블록 계산은 광고 코드를 렌더 블록에 삽입하고 라이브 편집에서는 제외한다', () => {
  const content = ref(createLongMarkdown(14, 180))
  const interactive = ref(false)
  const inArticleAdCode = ref('<ins>ad</ins>')
  const state = useContentMarkdownBlocks({ content, interactive, inArticleAdCode })

  assert.equal(state.normalizedInArticleAdCode.value, '<ins>ad</ins>')
  assert.equal(state.inArticleAdAfterBlockIds.value.length, 1)
  assert.equal(state.renderBlocks.value.filter((block) => block.type === 'in-article-ad').length, 1)

  interactive.value = true

  assert.deepEqual(state.inArticleAdAfterBlockIds.value, [])
  assert.equal(state.renderBlocks.value.some((block) => block.type === 'in-article-ad'), false)
})

test('공개 Markdown 블록 계산은 마지막 블록 범위 기준으로 하단 삽입 줄을 계산한다', () => {
  const content = ref([
    '첫 문단',
    '',
    ':::gallery',
    '![](/uploads/posts/2026/07/a.jpg)',
    '![](/uploads/posts/2026/07/b.jpg)',
    ':::'
  ].join('\n'))
  const state = useContentMarkdownBlocks({
    content,
    interactive: true,
    inArticleAdCode: ''
  })

  assert.equal(state.tailInsertBeforeLine.value, 6)

  content.value = '한 줄'

  assert.equal(state.tailInsertBeforeLine.value, 1)
})