import ElementPlus from 'element-plus'
import { enableAutoUnmount, flushPromises, mount, type VueWrapper } from '@vue/test-utils'
import { afterAll, afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
import { listPlatformTenants } from '@/modules/iam'
import AppDialog from '@/shared/components/AppDialog.vue'
import {
  changeRelabelOrderStatus,
  createRelabelOrder,
  listRelabelOrders,
  listRelabelWarehouseOptions,
} from '../api/relabelOrders'
import RelabelOrdersView from './RelabelOrdersView.vue'

vi.mock('vue-router', () => ({ useRouter: () => ({ push: vi.fn() }) }))
vi.mock('@/core/access/accessPreview', () => ({ useAccessPreviewStore: () => ({ can: () => true }) }))
vi.mock('@/modules/iam', () => ({ listPlatformTenants: vi.fn() }))
vi.mock('../api/relabelOrders', () => ({
  changeRelabelOrderStatus: vi.fn(),
  createRelabelOrder: vi.fn(),
  listRelabelOrders: vi.fn(),
  listRelabelWarehouseOptions: 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) } }
function formItem(wrapper: VueWrapper<any>, label: string) {
  const item = wrapper.findAllComponents({ name: 'ElFormItem' }).find((candidate) => candidate.props('label') === label)
  if (!item) throw new Error(`Missing form item: ${label}`)
  return item
}

function select(wrapper: VueWrapper<any>, placeholder: string) {
  const target = wrapper.findAllComponents({ name: 'ElSelect' }).find((candidate) => candidate.props('placeholder') === placeholder)
  if (!target) throw new Error(`Missing select: ${placeholder}`)
  return target
}

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

describe('RelabelOrdersView', () => {
  beforeEach(() => {
    vi.stubGlobal('ResizeObserver', ResizeObserverStub)
    vi.stubGlobal('localStorage', memoryStorage())
    vi.mocked(listPlatformTenants).mockReset().mockResolvedValue({ records: [{ id: '10001', tenantName: '客户甲', status: 'ACTIVE' } as never], page: 1, size: 200, total: 1, pages: 1 })
    vi.mocked(listRelabelOrders).mockReset().mockResolvedValue({ records: [], page: 1, size: 10, total: 0, pages: 0 })
    vi.mocked(listRelabelWarehouseOptions).mockReset()
    vi.mocked(createRelabelOrder).mockReset()
    vi.mocked(changeRelabelOrderStatus).mockReset()
  })

  it('loads shared receiving warehouse options independently from the selected customer', async () => {
    vi.mocked(listRelabelWarehouseOptions).mockResolvedValue({ records: [{ id: 'WH-B', customerId: '0', warehouseCode: 'B', warehouseName: 'B仓', warehouseType: 'OVERSEAS', status: 'ACTIVE' }], page: 1, size: 200, total: 1, pages: 1 })
    const wrapper = mount(RelabelOrdersView, { attachTo: document.body, global: { plugins: [ElementPlus] } })
    await flushPromises()
    await wrapper.findAll('button').find((button) => button.text().includes('新增换标单'))!.trigger('click')
    await flushPromises()

    const customer = select(wrapper, '请选择 ACTIVE 客户')
    customer.vm.$emit('update:modelValue', '10001'); customer.vm.$emit('change', '10001')
    await flushPromises()

    const labels = wrapper.findAllComponents({ name: 'ElOption' }).map((option) => option.props('label'))
    expect(listRelabelWarehouseOptions).toHaveBeenCalledOnce()
    expect(labels).toContain('B仓 · B')
  })

  it('reuses one idempotency key after a failed create retry', async () => {
    vi.mocked(listRelabelWarehouseOptions).mockResolvedValue({ records: [{ id: 'WH-1', customerId: '10001', warehouseCode: 'LAX', warehouseName: '洛杉矶仓', warehouseType: 'OVERSEAS', status: 'ACTIVE' }], page: 1, size: 200, total: 1, pages: 1 })
    vi.mocked(createRelabelOrder).mockRejectedValueOnce(new Error('temporary')).mockResolvedValueOnce({ application: { id: '1', relabelNo: 'RL-1' }, items: [], history: [] })
    const wrapper = mount(RelabelOrdersView, { attachTo: document.body, global: { plugins: [ElementPlus] } })
    await flushPromises()
    await wrapper.findAll('button').find((button) => button.text().includes('新增换标单'))!.trigger('click')
    await flushPromises()

    const customer = select(wrapper, '请选择 ACTIVE 客户')
    customer.vm.$emit('update:modelValue', '10001'); customer.vm.$emit('change', '10001')
    await flushPromises()
    const warehouse = select(wrapper, '请选择 ACTIVE+RECEIVING 海外仓')
    warehouse.vm.$emit('update:modelValue', 'WH-1')
    formItem(wrapper, '关联订单').findComponent({ name: 'ElInput' }).vm.$emit('update:modelValue', 'CO-1')
    formItem(wrapper, '商品SKU').findComponent({ name: 'ElInput' }).vm.$emit('update:modelValue', 'SKU-1')
    formItem(wrapper, '中文品名').findComponent({ name: 'ElInput' }).vm.$emit('update:modelValue', '商品一')
    formItem(wrapper, '箱数').findComponent({ name: 'ElInputNumber' }).vm.$emit('update:modelValue', 2)
    formItem(wrapper, '换标费用（CNY）').findComponent({ name: 'ElInputNumber' }).vm.$emit('update:modelValue', 20)
    formItem(wrapper, '截止时间').findComponent({ name: 'ElDatePicker' }).vm.$emit('update:modelValue', '2026-08-30T10:00:00')
    formItem(wrapper, '联系人').findComponent({ name: 'ElInput' }).vm.$emit('update:modelValue', '张三')
    formItem(wrapper, '联系电话').findComponent({ name: 'ElInput' }).vm.$emit('update:modelValue', '13800000000')
    formItem(wrapper, '贴标要求').findComponent({ name: 'ElSelect' }).vm.$emit('update:modelValue', '换SKU标')
    formItem(wrapper, '货件号').findComponent({ name: 'ElInput' }).vm.$emit('update:modelValue', 'SHIP-1')
    formItem(wrapper, '新SKU').findComponent({ name: 'ElInput' }).vm.$emit('update:modelValue', 'SKU-2')
    await flushPromises()

    const dialog = wrapper.findComponent(AppDialog)
    dialog.vm.$emit('confirm')
    await flushPromises()
    expect(dialog.props('modelValue')).toBe(true)
    dialog.vm.$emit('confirm')
    await flushPromises()

    expect(createRelabelOrder).toHaveBeenCalledTimes(2)
    const firstKey = vi.mocked(createRelabelOrder).mock.calls[0]![1].idempotencyKey
    const retryKey = vi.mocked(createRelabelOrder).mock.calls[1]![1].idempotencyKey
    expect(firstKey).toBeTruthy()
    expect(retryKey).toBe(firstKey)
    expect(createRelabelOrder).toHaveBeenLastCalledWith('10001', expect.objectContaining({
      customerOrderNo: 'CO-1', overseasWarehouseId: 'WH-1', idempotencyKey: firstKey,
      items: [expect.objectContaining({ skuCode: 'SKU-1', newSkuCode: 'SKU-2', labelRequirement: '换SKU标' })],
    }))
  })

  it('offers only backend-allowed audit transitions', async () => {
    vi.mocked(listRelabelOrders).mockResolvedValueOnce({
      records: [{ id: '1', relabelNo: 'RL-1', customerOrderNo: 'CO-1', skuCodes: 'SKU-1', totalPackageCount: 2, status: 'PENDING_PROCESSING' }],
      page: 1, size: 10, total: 1, pages: 1,
    })
    const wrapper = mount(RelabelOrdersView, { attachTo: document.body, global: { plugins: [ElementPlus] } })
    await flushPromises()
    await wrapper.findAll('button').find((button) => button.text().includes('审核'))!.trigger('click')
    await flushPromises()

    const labels = formItem(wrapper, '目标状态').findAllComponents({ name: 'ElOption' }).map((option) => option.props('label'))
    expect(labels).toEqual(expect.arrayContaining(['处理中', '已驳回', '已取消']))
    expect(labels).not.toContain('已完成')
  })

  it('passes the relabel order number search to the backend', async () => {
    const wrapper = mount(RelabelOrdersView, { attachTo: document.body, global: { plugins: [ElementPlus] } })
    await flushPromises()
    const input = wrapper.find('input[placeholder="请输入换标单号"]')
    expect(input.exists()).toBe(true)
    await input.setValue('FBR202608272092853218068373506')
    await wrapper.findAll('button').find((button) => button.text().includes('查询'))!.trigger('click')
    await flushPromises()
    expect(listRelabelOrders).toHaveBeenLastCalledWith(expect.objectContaining({
      relabelNo: 'FBR202608272092853218068373506',
    }))
  })
})