import { describe, it, expect } from 'vitest'
import { failureHint } from './failureHint'

describe('failureHint', () => {
  it('uses network hint without error', () => {
    expect(failureHint('保存失败')).toBe('保存失败，请检查网络后重试')
  })
  it('classifies TypeError as network', () => {
    const e = new TypeError('Failed to fetch')
    expect(failureHint('请求失败', e)).toBe('请求失败，请检查网络后重试')
  })
  it('classifies 401 as auth', () => {
    expect(failureHint('加载失败', { status: 401 })).toBe('加载失败，请重新登录后再试')
  })
  it('classifies 5xx as server', () => {
    expect(failureHint('保存失败', { status: 502 })).toBe('保存失败，服务器出错，请稍后重试')
  })
  it('keeps Chinese server detail', () => {
    expect(failureHint('保存失败', new Error('重复规则冲突'))).toBe('保存失败：重复规则冲突')
  })
})