import ElementPlus from 'element-plus'
import { readFileSync } from 'node:fs'
import { resolve } from 'node:path'
import { flushPromises, mount } from '@vue/test-utils'
import { beforeEach, describe, expect, it, vi } from 'vitest'
import { listOutbounds } from '../api/outbounds'
import OutboundsView from './OutboundsView.vue'
import StatusBadge from '@/shared/components/StatusBadge.vue'

const canPermission = vi.hoisted(() => vi.fn((_code: string) => true))
const routerPush = vi.hoisted(() => vi.fn())
vi.mock('@/core/access/accessPreview', () => ({ useAccessPreviewStore: () => ({ can: canPermission }) }))
vi.mock('vue-router', () => ({ useRouter: () => ({ push: routerPush }) }))
vi.mock('../api/outbounds', () => ({ listOutbounds: vi.fn(), cancelOutbound: vi.fn(), createOneClickDropshipOutbound: vi.fn() }))
vi.mock('../api/inventory', () => ({ listInventoryBalances: vi.fn(), listInventoryPositions: vi.fn() }))

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

describe('OutboundsView permissions and navigation', () => {
  it('distinguishes outbound stages and does not present unknown states as picking', async () => {
    const statuses = [
      ['WAIT_PICK', '待拣货', 'warning'], ['WAIT_OUTBOUND', '待出库', 'warning'], ['PICKING', '拣货中', 'info'],
      ['PICKED', '已拣货', 'warning'], ['OUTBOUNDED', '已出库', 'success'],
      ['CANCELLED', '已取消', 'danger'], ['FUTURE_STATE', '未知状态', 'neutral'],
    ]
    vi.mocked(listOutbounds).mockResolvedValueOnce({ records: statuses.map(([status], index) => ({ id: String(index), outboundNo: `OUT-${index}`, status })), page: 1, size: 20, total: statuses.length, pages: 1 })
    const wrapper = mount(OutboundsView, { global: { plugins: [ElementPlus] } })
    await flushPromises()
    const badges = wrapper.findAllComponents(StatusBadge).filter(badge => badge.element.closest('tbody'))
    expect(badges).toHaveLength(statuses.length)
    statuses.forEach(([, label, tone], index) => {
      expect(badges[index].text()).toBe(label)
      expect(badges[index].classes()).toContain(`is-${tone}`)
    })
    wrapper.unmount()
  })

  beforeEach(() => {
    vi.stubGlobal('ResizeObserver', ResizeObserverStub)
    vi.stubGlobal('localStorage', { getItem: () => null, setItem: () => undefined, removeItem: () => undefined })
    vi.mocked(listOutbounds).mockReset().mockResolvedValue({ records: [{ id: '1', outboundNo: 'OUT-1', dispatchNo: 'PC-1', status: 'WAIT_PICK', palletCount: 1, packageCount: 2 }], page: 1, size: 20, total: 1, pages: 1 })
    canPermission.mockReset().mockReturnValue(true)
    routerPush.mockReset()
  })

  it('uses list access for detail and independent create/cancel permissions', async () => {
    canPermission.mockImplementation((code: string) => code.endsWith(':list'))
    const wrapper = mount(OutboundsView, { global: { plugins: [ElementPlus] } })
    await flushPromises()
    expect(wrapper.text()).toContain('详情')
    expect(wrapper.text()).not.toContain('新建出库单')
    expect(wrapper.text()).not.toContain('取消')
    expect(OutboundsView.__file).toContain('OutboundsView.vue')
    wrapper.unmount()
  })

  it('shows outbound creation and cancellation only with their exact permissions', async () => {
    canPermission.mockImplementation((code: string) => ['platform:overseas-warehouse:outbound:create', 'platform:overseas-warehouse:outbound:cancel'].includes(code))
    const wrapper = mount(OutboundsView, { global: { plugins: [ElementPlus] } })
    await flushPromises()
    expect(wrapper.text()).toContain('新建出库单')
    expect(wrapper.text()).toContain('取消')
    wrapper.unmount()
  })

  it('loads one-click candidates across customers and loads return inventory after customer selection', async () => {
    const source = readFileSync(resolve(process.cwd(), 'src/modules/overseas-warehouse/pages/OutboundsView.vue'), 'utf8')
    expect(source).toContain('v-model="selectedCustomerId"')
    expect(source).toContain('listOneClickOutboundCandidates(selectedCustomerId.value || undefined')
    expect(source).toContain('if (selectedCustomerId.value && selectedWarehouseId.value) await loadReturnCandidates()')
    expect(source).toContain("createOneClickDropshipOutbound([...customerIds][0] || ''")
  })

  it('applies batched return filters only through explicit search and exposes page sizes', () => {
    const source = readFileSync(resolve(process.cwd(), 'src/modules/overseas-warehouse/pages/OutboundsView.vue'), 'utf8')
    expect(source).toContain('returnSkuQueryInput')
    expect(source).toContain('returnCartonQueryInput')
    expect(source).toContain("item.replace(/\\s+/g, '')")
    expect(source).toContain('@click="searchReturnSkus"')
    expect(source).toContain('@click="searchReturnCartons"')
    expect(source).toContain(':page-sizes="[5, 10, 20, 50]"')
    expect(source).toContain('width="min(1320px, calc(100vw - 32px))"')
  })

  it('resolves warehouse-transfer customer names from the platform customer list', () => {
    const source = readFileSync(resolve(process.cwd(), 'src/modules/overseas-warehouse/pages/OutboundsView.vue'), 'utf8')
    expect(source).toContain('function transferCustomerName(row: WarehouseTransferOutboundCandidate)')
    expect(source).toContain('String(item.id) === String(row.customerId)')
    expect(source).toContain("customer?.legalName?.trim() || customer?.tenantName?.trim()")
    expect(source).toContain('transferCustomerName(row as WarehouseTransferOutboundCandidate)')
  })

  it('keeps warehouse option requests within the platform page-size limit', () => {
    const source = readFileSync(resolve(process.cwd(), 'src/modules/overseas-warehouse/pages/OutboundsView.vue'), 'utf8')
    expect(source).toContain("size: 200, warehouseType: 'FBA'")
    expect(source).not.toContain('size: 500')
  })

  it('batch-binds destinationless transfers without creating an outbound order', () => {
    const source = readFileSync(resolve(process.cwd(), 'src/modules/overseas-warehouse/pages/OutboundsView.vue'), 'utf8')
    const api = readFileSync(resolve(process.cwd(), 'src/modules/overseas-warehouse/api/outbounds.ts'), 'utf8')
    expect(source).toContain('无目的地转运单')
    expect(source).toContain('绑定目的地并进入排车')
    expect(source).toContain('privateDestinationPostalCode: postalCode.value.trim()')
    expect(source).toContain('transfers: selected.map(item => ({ customerId: item.customerId, transferNo: item.transferNo }))')
    expect(api).toContain('/platform/v1/last-leg/warehouse-transfers/bind-destination')
    expect(source).not.toContain('await createWarehouseTransferOutbound')
  })

  it('auto-selects the sole warehouse-transfer candidate and shows destination state', () => {
    const source = readFileSync(resolve(process.cwd(), 'src/modules/overseas-warehouse/pages/OutboundsView.vue'), 'utf8')
    const api = readFileSync(resolve(process.cwd(), 'src/modules/overseas-warehouse/api/outbounds.ts'), 'utf8')
    expect(source).toContain("if (transferCandidates.value.length === 1) selectedTransferPalletIds.value = [transferSelectionKey(transferCandidates.value[0])]")
    expect(source).toContain("transferCandidates.value.length === 1 ? [transferCandidates.value[0]] : []")
    expect(source).toContain('label="主单目的去向"')
    expect(source).toContain("['私人仓', row.privateDestinationAddress?.trim(), row.privateDestinationPostalCode?.trim()]")
    expect(source).toContain('`FBA · ${row.destinationWarehouseCode.trim()}`')
    expect(source).toContain("return '未设置'")
    expect(api).toContain('destinationWarehouseCode?: string | null')
    expect(api).toContain("destinationType?: 'FBA' | 'PRIVATE' | null")
    expect(api).toContain('privateDestinationAddress?: string | null')
    expect(api).toContain('privateDestinationPostalCode?: string | null')
  })
})