import { describe, expect, it } from 'vitest'
import { hasReviewMarker, parseClosingIssueNumber, stripReviewMarker } from './markers'

const REAL_REVIEW = `<!-- spx:review=1 -->
## 审查意见

- **coordinator.ts:1452** 正则多写了反斜杠
- 建议补单测

\`\`\`ts
const x = 1
\`\`\``

describe('审查标记', () => {
  it('真实审查评论：识别为审查，去标记后正文完整', () => {
    expect(hasReviewMarker(REAL_REVIEW)).toBe(true)
    expect(stripReviewMarker(REAL_REVIEW)).toBe(REAL_REVIEW.slice('<!-- spx:review=1 -->\n'.length))
  })

  it('普通评论不是审查', () => {
    expect(hasReviewMarker('这个方案可以')).toBe(false)
    expect(hasReviewMarker('提到了 spx:review=1 但不是注释')).toBe(false)
  })

  it('大小写和注释内空白都放宽', () => {
    expect(hasReviewMarker('<!--SPX:Review=1-->\n正文')).toBe(true)
    expect(hasReviewMarker('<!--   spx:review=1   -->')).toBe(true)
  })

  it('反复调用结果稳定', () => {
    for (let i = 0; i < 3; i++) {
      expect(hasReviewMarker(REAL_REVIEW)).toBe(true)
      expect(stripReviewMarker(REAL_REVIEW)).toMatch(/^## 审查意见/)
    }
  })

  it('多个标记全部去掉，只剩标记时为空串', () => {
    expect(stripReviewMarker('<!-- spx:review=1 -->\n a <!-- SPX:review=1 -->  b')).toBe('a b')
    expect(stripReviewMarker('<!-- spx:review=1 -->\n')).toBe('')
  })
})

describe('parseClosingIssueNumber', () => {
  it('多行 PR body 最后一行 Closes #462', () => {
    const body = '## 改动\n\n- 修了正则\n- 加了测试\n\nCloses #462'
    expect(parseClosingIssueNumber(body)).toBe(462)
  })

  it('其它关键字与大小写', () => {
    expect(parseClosingIssueNumber('fixes #12')).toBe(12)
    expect(parseClosingIssueNumber('FiXeS #7')).toBe(7)
    expect(parseClosingIssueNumber('RESOLVE #3')).toBe(3)
    expect(parseClosingIssueNumber('close\t#5')).toBe(5)
  })

  it('没有关键字返回 undefined', () => {
    expect(parseClosingIssueNumber('关联 #462')).toBeUndefined()
    expect(parseClosingIssueNumber('')).toBeUndefined()
  })

  it('不误匹配：# 前无空白、关键字粘在别的词后面', () => {
    expect(parseClosingIssueNumber('closes#1')).toBeUndefined()
    expect(parseClosingIssueNumber('prefixcloses #1')).toBeUndefined()
  })
})