import { createPinia, setActivePinia } from 'pinia'
import { flushPromises, shallowMount } from '@vue/test-utils'
import { beforeEach, describe, expect, it, vi } from 'vitest'
import { createPlatformRole, listPlatformInternalUsers, listPlatformPermissions, listPlatformRoles, type PlatformRoleResource } from '@/modules/iam/api/platformIam'
import { useAuthStore } from '@/core/auth/auth'
import RolesView from './RolesView.vue'

vi.mock('@/modules/iam/api/platformIam', () => ({
  createPlatformRole: vi.fn(),
  listPlatformInternalUsers: vi.fn(),
  listPlatformPermissions: vi.fn(),
  listPlatformRoles: vi.fn(),
  updatePlatformRole: vi.fn(),
  changePlatformRoleStatus: vi.fn(),
  deletePlatformRole: vi.fn(),
  replacePlatformRolePermissions: vi.fn(),
}))

const platformRole: PlatformRoleResource = {
  id: 4000002,
  tenantId: 0,
  appCode: 'PLATFORM',
  roleCode: 'CUSTOMER_REVIEWER',
  roleName: '企业审核员',
  roleType: 'SYSTEM',
  status: 'ACTIVE',
  description: '企业资料与入驻审核',
}

function mountView(pinia = createPinia()) {
  setActivePinia(pinia)
  const auth = useAuthStore()
  if (auth.permissions.length === 0) auth.permissions = ['platform:role:list', 'platform:role:create', 'platform:role:grant']
  return shallowMount(RolesView, {
    global: {
      plugins: [pinia],
      directives: { loading: () => undefined },
      stubs: {
        AdminPage: { template: '<main><slot /></main>' },
        ListPageLayout: { template: '<section><slot name="toolbar" /><slot name="state" /><slot /></section>' },
        FormSection: { template: '<section><slot /></section>' },
        AppDrawer: { template: '<section><slot /><slot name="footer" /></section>' },
        LoadErrorState: { props: ['message'], template: '<div role="alert">{{ message }}<slot name="details" /></div>' },
        DataTable: { props: ['data'], template: '<section><slot name="toolbar-actions" /><span data-testid="row-count">{{ data.length }}</span></section>' },
        'el-alert': { props: ['title'], template: '<div role="alert">{{ title }}<slot name="title" /></div>' },
        'el-input': true,
        'el-option': true,
        'el-select': true,
        'el-button': true,
        'el-table': true,
        'el-table-column': true,
        'el-tag': true,
        'el-radio-group': true,
        'el-radio-button': true,
        'el-drawer': {
          props: ['modelValue'],
          template: '<section><slot /><slot name="footer" /></section>',
        },
        'el-form': { template: '<form><slot /></form>' },
        'el-form-item': { template: '<label><slot /></label>' },
        'el-tree': {
          props: { checkStrictly: Boolean },
          template: '<div data-testid="permission-tree" :data-check-strictly="String(checkStrictly)" />',
        },
      },
    },
  })
}

describe('RolesView', () => {
  beforeEach(() => {
    setActivePinia(createPinia())
    vi.mocked(listPlatformRoles).mockReset()
    vi.mocked(listPlatformPermissions).mockReset()
    vi.mocked(listPlatformInternalUsers).mockReset()
    vi.mocked(listPlatformPermissions).mockResolvedValue([])
    vi.mocked(listPlatformInternalUsers).mockResolvedValue([])
    vi.mocked(createPlatformRole).mockReset()
  })

  it('keeps directory, menu, and action permissions independently checkable', () => {
    const wrapper = mountView()

    expect(wrapper.get('[data-testid="permission-tree"]').attributes('data-check-strictly')).toBe('true')
  })

  it('loads platform roles from IAM for a server session', async () => {
    const pinia = createPinia()
    setActivePinia(pinia)
    const auth = useAuthStore()
    auth.isServerSession = true
    auth.permissions = ['platform:role:list', 'platform:role:create']
    vi.mocked(listPlatformRoles).mockResolvedValue([platformRole])

    const wrapper = mountView(pinia)
    await flushPromises()

    expect(listPlatformRoles).toHaveBeenCalledTimes(1)
    expect(listPlatformInternalUsers).toHaveBeenCalledTimes(1)
    expect(wrapper.get('[data-testid="row-count"]').text()).toBe('1')
    expect(wrapper.text()).not.toContain('角色负责聚合菜单、操作和数据范围，内部用户可分配多个角色')
    expect(wrapper.find('[data-testid="permission-tree"]').exists()).toBe(false)
  })

  it('keeps a failed IAM role list recoverable', async () => {
    const pinia = createPinia()
    setActivePinia(pinia)
    const auth = useAuthStore()
    auth.isServerSession = true
    auth.permissions = ['platform:role:list']
    vi.mocked(listPlatformRoles).mockRejectedValue(new Error('IAM unavailable'))

    const wrapper = mountView(pinia)
    await flushPromises()

    expect(wrapper.findAll('[role="alert"]').map((item) => item.text()).join(' ')).toContain('IAM unavailable')
  })
})