import type { AskThreadProps } from './AskThread'
import type { Ask } from './qa'
import type { QaEntryView } from './types'
import { renderToStaticMarkup } from 'react-dom/server'
import { describe, expect, it } from 'vitest'
import { AskThread } from './AskThread'

const NOW = new Date(2026, 8, 26, 15, 0).getTime()

const HISTORY: QaEntryView[] = [
  { id: 'e1', question: '为什么普通用户不能看别人的资料？', answer: '这是**权限控制**：不是管理员、又不是查自己时抛 `Forbidden`。', createdAt: new Date(2026, 8, 23, 10, 0).toISOString() },
  { id: 'e2', question: 'UserRole 还有哪些角色？', answer: '只有 ADMIN 和 USER。', createdAt: new Date(2026, 8, 25, 10, 0).toISOString() },
]

function render(props: Partial<AskThreadProps>): string {
  return renderToStaticMarkup(<AskThread history={[]} asks={[]} open={false} now={NOW} onAsk={() => {}} onStop={() => {}} onDelete={() => {}} onClose={() => {}} {...props} />)
}

const text = (html: string): string => html.replace(/<[^>]*>/g, '')

function ask(overrides: Partial<Ask>): Ask {
  return { askId: 'a1', anchor: 'x', question: 'Forbidden 抛出去以后前端收到什么？', text: '', status: 'running', ...overrides }
}

describe('块下面的问答区', () => {
  it('没问过、没展开：什么都不画', () => {
    expect(render({})).toBe('')
  })

  it('问过、没展开：只露一行「问过 N 次」，点开才看历史', () => {
    const html = render({ history: HISTORY })
    expect(html).toContain('data-collapsed')
    expect(text(html)).toBe('问过 2 次')
    expect(html).toContain('aria-expanded="false"')
    expect(html).not.toContain('<textarea')
  })

  it('展开：灰字的历史（问题、时间、「已理解，删除」、回答前两行），当前这一轮照常颜色，底下输入框', () => {
    const html = render({ open: true, history: HISTORY, asks: [ask({ text: '`Forbidden` 定义在 **core**', activity: '读取 exceptions.py' })] })
    expect(html.match(/data-history=""/g)).toHaveLength(2)
    expect(text(html)).toContain('为什么普通用户不能看别人的资料？3 天前')
    expect(text(html)).toContain('UserRole 还有哪些角色？昨天')
    expect(html.match(/title="已理解，删除" aria-label="已理解，删除"/g)).toHaveLength(2)
    expect(text(html)).toContain('这是权限控制：不是管理员、又不是查自己时抛 Forbidden。')
    expect(html).toContain('<hr class="cr-qa-divider"/>')
    expect(html).toContain('data-current=""')
    expect(html).toContain('data-streaming=""><p><code>Forbidden</code> 定义在 <strong>core</strong></p>')
    expect(text(html)).toContain('读取 exceptions.py')
    expect(html).toContain('placeholder="继续问…  Enter 发送，Esc 收起"')
    expect(html).toContain('title="停止" aria-label="停止"')
    expect(html).not.toContain('aria-label="发送"')
  })

  it('还没问过：输入框提示问这块代码，发送按钮在没字时不能点；答完的回答按 Markdown 排、不再闪光标', () => {
    expect(render({ open: true })).toContain('placeholder="问这块代码…  Enter 发送，Esc 收起"')
    expect(render({ open: true })).toMatch(/aria-label="发送" disabled=""/)
    const done = render({ open: true, asks: [ask({ status: 'done', text: '答完了' })] })
    expect(done).toContain('<div class="cr-markdown cr-qa-answer"><p>答完了</p>')
    expect(done).not.toContain('data-streaming')
    expect(done).not.toContain('role="status"')
  })

  it('出错、停止写在这一问下面', () => {
    const failed = render({ open: true, asks: [ask({ status: 'failed', error: 'Claude Code 没登录或登录过期了' })] })
    expect(failed).toContain('role="alert"')
    expect(text(failed)).toContain('Claude Code 没登录或登录过期了')
    expect(text(render({ open: true, asks: [ask({ status: 'stopped', text: '一半' })] }))).toContain('已停止，这次没存。')
    expect(text(render({ open: true, asks: [ask({})] }))).toContain('正在想…')
  })
})