import ElementPlus from 'element-plus'
import { readFileSync } from 'node:fs'
import { resolve } from 'node:path'
import { enableAutoUnmount, flushPromises, mount } from '@vue/test-utils'
import { afterAll, afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
import QueryToolbar, { type QueryModel } from '@/shared/components/QueryToolbar.vue'
import { cancelDispatch, getDispatchBolPdf, listDispatches, transferDispatchToDelivery, updateDispatch } from '../api/dispatches'
import DispatchesView from './DispatchesView.vue'

const canPermission = vi.hoisted(() => vi.fn(() => true))
vi.mock('@/core/access/accessPreview', () => ({ useAccessPreviewStore: () => ({ can: canPermission }) }))
vi.mock('../api/dispatches', () => ({ listDispatches: vi.fn(), getDispatchBolPdf: vi.fn(), updateDispatch: vi.fn(), cancelDispatch: vi.fn(), transferDispatchToDelivery: vi.fn() }))

class ResizeObserverStub implements ResizeObserver {
  observe() {}
  unobserve() {}
  disconnect() {}
}

function memoryStorage(): Storage {
  const values = new Map<string, string>()
  return {
    get length() { return values.size },
    clear: () => values.clear(),
    getItem: (key) => values.get(key) ?? null,
    key: (index) => [...values.keys()][index] ?? null,
    removeItem: (key) => values.delete(key),
    setItem: (key, value) => values.set(key, value),
  }
}

enableAutoUnmount(afterEach)
afterAll(() => vi.unstubAllGlobals())

describe('DispatchesView', () => {
  beforeEach(() => {
    vi.stubGlobal('ResizeObserver', ResizeObserverStub)
    vi.stubGlobal('localStorage', memoryStorage())
    vi.mocked(listDispatches).mockReset().mockResolvedValue({
      records: [{
        id: '190000000000000099', dispatchNo: 'PC-1', vehiclePlate: 'CA-100', driverName: '张师傅',
        driverPhone: '555-0100', carrierName: 'Carrier A', orderNos: 'LM-1,LM-2', route: 'LAX -> ONT8',
        overseasWarehouseName: '洛杉矶仓', departAt: '2026-08-20T09:00:00', fbaAppointmentNo: 'FBA-1',
        fbaAppointmentStatus: 'CONFIRMED', vehicleAppointmentStatus: 'BOOKED', estimatedArrivalAt: '2026-08-20T18:00:00',
        status: 'PENDING_DEPARTURE', palletCount: 12, packageCount: 80, createdAt: '2026-08-19T16:00:00',
      }],
      page: 1, size: 20, total: 1, pages: 1,
    })
    vi.mocked(updateDispatch).mockReset()
    vi.mocked(getDispatchBolPdf).mockReset().mockResolvedValue(new Blob(['%PDF-test'], { type: 'application/pdf' }))
    vi.mocked(cancelDispatch).mockReset()
    vi.mocked(transferDispatchToDelivery).mockReset()
    canPermission.mockReset().mockReturnValue(true)
  })

  it('loads immediately and sends only supported page filters', async () => {
    const wrapper = mount(DispatchesView, { global: { plugins: [ElementPlus] } })
    await flushPromises()
    expect(listDispatches).toHaveBeenCalledWith({ page: 1, size: 10, dispatchNo: undefined, vehiclePlate: undefined, status: undefined, fbaAppointmentNo: undefined })

    const model: QueryModel = {
      dispatchNo: 'PC-1', vehiclePlate: 'CA-100',
      status: 'PENDING_DEPARTURE', fbaAppointmentNo: 'FBA-1',
    }
    wrapper.findComponent(QueryToolbar).vm.$emit('search', model)
    await flushPromises()

    expect(listDispatches).toHaveBeenCalledWith({
      page: 1, size: 10, dispatchNo: 'PC-1',
      vehiclePlate: 'CA-100', status: 'PENDING_DEPARTURE', fbaAppointmentNo: 'FBA-1',
    })
    expect(wrapper.text()).toContain('PC-1')
    expect(wrapper.text()).toContain('待发车')
    expect(wrapper.text()).toContain('FBA-1 · 已确认')
    expect(wrapper.text()).toContain('已预约')
  })

  it('keeps long dispatch identifiers as strings', async () => {
    vi.mocked(listDispatches).mockResolvedValueOnce({
      records: [{ id: '190000000000000099', dispatchNo: '190000000000000099' }],
      page: 1, size: 20, total: 1, pages: 1,
    })
    const wrapper = mount(DispatchesView, { global: { plugins: [ElementPlus] } })
    await flushPromises()
    expect(wrapper.html()).toContain('190000000000000099')
  })

  it('opens the server-generated BOL PDF with one request', async () => {
    const pdfWindow = { location: { href: '' }, close: vi.fn() }
    vi.spyOn(window, 'open').mockReturnValue(pdfWindow as unknown as Window)
    vi.stubGlobal('URL', { createObjectURL: vi.fn(() => 'blob:dispatch-bol'), revokeObjectURL: vi.fn() })
    const wrapper = mount(DispatchesView, { global: { plugins: [ElementPlus] } })
    await flushPromises()
    expect(getDispatchBolPdf).not.toHaveBeenCalled()

    await wrapper.findAll('.el-table__body-wrapper button').find((button) => button.text().trim() === '打印BOL')!.trigger('click')
    await flushPromises()

    expect(getDispatchBolPdf).toHaveBeenCalledOnce()
    expect(getDispatchBolPdf).toHaveBeenCalledWith('PC-1')
    expect(pdfWindow.location.href).toBe('blob:dispatch-bol')
  })

  it('documents the backend feature flag required by a missing endpoint', () => {
    const source = readFileSync(resolve(process.cwd(), 'src/modules/overseas-warehouse/pages/DispatchesView.vue'), 'utf8')
    expect(source).toContain('请确认海外尾程排车接口已发布')
  })

  it('gates edit, cancel and transfer with independent permissions and service statuses', async () => {
    const source = readFileSync(resolve(process.cwd(), 'src/modules/overseas-warehouse/pages/DispatchesView.vue'), 'utf8')
    expect(source).toContain('permission.dispatchEdit')
    expect(source).toContain('permission.dispatchCancel')
    expect(source).toContain('permission.dispatchTransferDelivery')
    expect(source).toContain("function isPendingDeparture(row: DispatchListItem) { return row.statusCode === 'PENDING_DEPARTURE' }")
    expect(source).toContain('access.can(permission.dispatchEdit) && isPendingDeparture(row)')
    expect(source).toContain("access.can(permission.dispatchTransferDelivery) && ['PENDING_DEPARTURE', 'PICKING', 'READY_TO_DEPART'].includes(row.statusCode)")
    expect(source).toContain('普通编辑不会修改排车状态')
    expect(source).not.toContain('departDispatch')

    canPermission.mockReturnValue(false)
    const wrapper = mount(DispatchesView, { global: { plugins: [ElementPlus] } })
    await flushPromises()
    expect(wrapper.text()).not.toContain('转派送')
  })
})