import { beforeEach, describe, expect, it, vi } from 'vitest'
import { applicationApi } from './application'

const request = vi.hoisted(() => ({
  get: vi.fn()
}))

vi.mock('./index', () => ({ default: request }))

describe('application API 分页参数', () => {
  beforeEach(() => {
    vi.clearAllMocks()
    request.get.mockResolvedValue({ data: { items: [], total: 0 } })
  })

  it('把页码换算成后端认识的 limit/offset，第 2 页不再是 offset=0', async () => {
    await applicationApi.getMy('', 2, 20)

    expect(request.get).toHaveBeenCalledWith('/applications/my', {
      params: { status: '', limit: 20, offset: 20 }
    })
  })

  it('审批页的 getAll 同样换算，且不落下 status 筛选', async () => {
    await applicationApi.getAll('pending', 3, 10)

    expect(request.get).toHaveBeenCalledWith('/applications', {
      params: { status: 'pending', limit: 10, offset: 20 }
    })
  })

  it('第 1 页从 offset=0 开始', async () => {
    await applicationApi.getAll('', 1, 20)

    expect(request.get).toHaveBeenCalledWith('/applications', {
      params: { status: '', limit: 20, offset: 0 }
    })
  })

  it('页码或每页条数非法时退回第 1 页的默认值，不产生负 offset', async () => {
    await applicationApi.getMy('', 0, 0)

    expect(request.get).toHaveBeenCalledWith('/applications/my', {
      params: { status: '', limit: 20, offset: 0 }
    })
  })
})