import assert from 'node:assert/strict'
import test from 'node:test'
import {
  BLANK_PARAGRAPH_MARKER,
  isMarkdownBlockStart,
  parseMarkdownBlocks
} from '../lib/markdown-block-parser.js'

test('기본 마크다운 행을 렌더링 블록으로 변환한다', () => {
  const blocks = parseMarkdownBlocks([
    '# 제목',
    '',
    '본문  ',
    BLANK_PARAGRAPH_MARKER,
    '---'
  ].join('\n'))

  assert.deepEqual(blocks.map((block) => block.type), ['heading', 'spacer', 'paragraph', 'spacer', 'divider'])
  assert.equal(blocks[0].text, '제목')
  assert.equal(blocks[0].level, 1)
  assert.equal(blocks[2].text, '본문')
  assert.equal(blocks[3].meta.legacy, true)
})

test('fenced 블록을 타입별 메타와 원본 줄 범위로 변환한다', () => {
  const blocks = parseMarkdownBlocks([
    ':::gallery',
    '![](/uploads/a.webp "A"){size=235}',
    '![](/uploads/b.webp)',
    ':::',
    ':::callout bg=red emoji=none',
    '주의',
    ':::',
    ':::toggle open 자세히',
    '내용',
    ':::'
  ].join('\n'))

  assert.deepEqual(blocks.map((block) => block.type), ['gallery', 'callout', 'toggle'])
  assert.equal(blocks[0].images.length, 2)
  assert.equal(blocks[0].images[0].pixelWidth, 235)
  assert.deepEqual(
    {
      startLine: blocks[0].meta.startLine,
      endLine: blocks[0].meta.endLine
    },
    { startLine: 0, endLine: 3 }
  )
  assert.equal(blocks[1].calloutBackground, 'red')
  assert.equal(blocks[1].calloutEmojiEnabled, false)
  assert.equal(blocks[2].title, '자세히')
  assert.equal(blocks[2].defaultOpen, true)
})

test('인용·목록·코드·표 블록을 변환한다', () => {
  const blocks = parseMarkdownBlocks([
    '> [!bg=blue]',
    '> 인용',
    '- 하나',
    '- 둘',
    '1. 첫째',
    '3. 셋째',
    '```js line-numbers',
    'const value = 1',
    '```',
    '| A | B |',
    '| --- | ---: |',
    '| a | b |'
  ].join('\n'))

  assert.deepEqual(blocks.map((block) => block.type), ['quote', 'list', 'list', 'code', 'table'])
  assert.equal(blocks[0].quoteBackground, 'blue')
  assert.equal(blocks[0].text, '인용')
  assert.deepEqual(blocks[1].text, ['하나', '둘'])
  assert.equal(blocks[2].ordered, true)
  assert.deepEqual(blocks[2].listNumbers, [1, 3])
  assert.equal(blocks[3].codeLanguage, 'js')
  assert.equal(blocks[3].codeShowLineNumbers, true)
  assert.deepEqual(blocks[4].meta.alignments, ['left', 'right'])
})

test('블록 시작 줄을 판별한다', () => {
  assert.equal(isMarkdownBlockStart(':::gallery'), true)
  assert.equal(isMarkdownBlockStart('```html'), true)
  assert.equal(isMarkdownBlockStart('![](/a.webp)'), true)
  assert.equal(isMarkdownBlockStart('일반 문단'), false)
})