import { describe, expect, it } from 'vitest'
import {
  buildSessionHandoffManifest,
  isMailboxIssue,
  MAILBOX_MARKER,
  MAILBOX_TITLE,
  parseSessionHandoffAttachmentName,
  parseSessionHandoffManifest,
  sessionHandoffAttachmentName,
  slugSessionName,
} from './sessionHandoff'

const SID = '11111111-1111-4111-8111-111111111111'

describe('isMailboxIssue', () => {
  it('title 命中', () => {
    expect(isMailboxIssue({ title: MAILBOX_TITLE })).toBe(true)
  })
  it('label 命中', () => {
    expect(isMailboxIssue({ title: '其他', labels: [{ name: 'spx-session-mailbox' }] })).toBe(true)
  })
  it('body marker 命中', () => {
    expect(isMailboxIssue({ title: 'x', body: `hello ${MAILBOX_MARKER}` })).toBe(true)
  })
  it('普通工单不是', () => {
    expect(isMailboxIssue({ title: '修登录', body: 'foo', labels: [{ name: 'bug' }] })).toBe(false)
  })
})

describe('sessionHandoffAttachmentName', () => {
  it('编解码往返', () => {
    const name = sessionHandoffAttachmentName({
      sid: SID,
      from: 'chw',
      to: 'cruldra',
      name: '测试服初始化',
    })
    expect(name).toBe(`spx-handoff-session!${SID}!chw!cruldra!测试服初始化.tgz`)
    expect(parseSessionHandoffAttachmentName(name)).toEqual({
      sid: SID,
      from: 'chw',
      to: 'cruldra',
      name: '测试服初始化',
    })
  })
  it('空名字也合法', () => {
    const name = sessionHandoffAttachmentName({ sid: SID, from: 'a', to: 'b', name: '' })
    expect(parseSessionHandoffAttachmentName(name)).toEqual({
      sid: SID,
      from: 'a',
      to: 'b',
      name: '',
    })
  })
  it('slug 去掉非法字符', () => {
    expect(slugSessionName('foo/bar baz')).toBe('foo_bar_baz')
  })
  it('sid 非 UUID → 抛错', () => {
    expect(() => sessionHandoffAttachmentName({ sid: '../x', from: 'a', to: 'b', name: '' })).toThrow(/UUID/)
  })
  it('login 含 ! → 抛错', () => {
    expect(() => sessionHandoffAttachmentName({ sid: SID, from: 'a!b', to: 'c', name: '' })).toThrow(/from/)
  })
  it('工单移交包名解析不到', () => {
    expect(parseSessionHandoffAttachmentName('spx-handoff-issue-12.tgz')).toBeUndefined()
  })
})

describe('parseSessionHandoffManifest', () => {
  const good = {
    version: 1,
    kind: 'managed-session',
    from: 'chw',
    to: 'cruldra',
    createdAt: '2026-08-27T00:00:00Z',
    workspacePath: '/home/chw/proj',
    session: { id: SID, name: '测试服初始化', profilePath: '/x/offical.json' },
    claude: [{ id: SID }],
  }

  it('合法清单原样返回', () => {
    expect(parseSessionHandoffManifest(JSON.stringify(good))).toEqual(good)
  })
  it('kind 不对 → 抛错', () => {
    expect(() => parseSessionHandoffManifest(JSON.stringify({ ...good, kind: 'issue' }))).toThrow(/kind/)
  })
  it('缺少 workspacePath → 抛错', () => {
    const { workspacePath: _, ...rest } = good
    expect(() => parseSessionHandoffManifest(JSON.stringify(rest))).toThrow(/workspacePath/)
  })
  it('claude 空 → 抛错', () => {
    expect(() => parseSessionHandoffManifest(JSON.stringify({ ...good, claude: [] }))).toThrow(/claude/)
  })
  it('build 再 parse 往返', () => {
    const built = buildSessionHandoffManifest({
      from: 'chw',
      to: 'cruldra',
      workspacePath: '/home/chw/proj',
      session: { id: SID, name: 'n' },
      createdAt: '2026-08-27T00:00:00Z',
    })
    expect(parseSessionHandoffManifest(JSON.stringify(built))).toEqual(built)
  })
})