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

const rolesSource = readFileSync(resolve(process.cwd(), 'src/modules/iam/pages/RolesView.vue'), 'utf8')

vi.mock('@/modules/iam/api/platformIam', () => ({
  createPlatformRole: 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',
  memberCount: 3,
}

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>' },
        AppDialog: { 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-start" /><slot name="toolbar-actions" /><slot name="filters" /><slot name="notices" /><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', () => {
  it('keeps the shared status badge prop defined during table slot initialization', () => {
    expect(rolesSource).toContain("(row as Role).status || '—'")
  })
  it('uses bordered striped tables and semantic role operation buttons', () => {
    expect(rolesSource).toContain('appearance="integrated" :stripe="false"')
    expect(rolesSource).toContain('size="small" data-tone="neutral"')
    expect(rolesSource).toContain('size="small" :data-tone=')
    expect(rolesSource).toContain('size="small" data-tone="danger"')
    expect(rolesSource).toContain('>配置</el-button>')
    expect(rolesSource).toContain(':data-tone=')
    expect(rolesSource).toContain('>删除</el-button>')
    expect(rolesSource).toContain('@media (max-width: 720px)')
  })
  beforeEach(() => {
    setActivePinia(createPinia())
    vi.mocked(listPlatformRoles).mockReset()
    vi.mocked(listPlatformPermissions).mockReset()
    vi.mocked(listPlatformPermissions).mockResolvedValue([])
    vi.mocked(createPlatformRole).mockReset()
  })

  it('links menu groups and permissions so partial selections use the half-checked state', () => {
    const wrapper = mountView()

    expect(wrapper.get('[data-testid="permission-tree"]').attributes('data-check-strictly')).toBe('false')
    expect(rolesSource).not.toContain('check-strictly')
    expect(rolesSource).not.toContain("disabled: 'disabled'")
  })

  it('restores saved permission ids after the dialog tree has mounted', () => {
    expect(rolesSource).toContain('@opened="initializePermissionSelection"')
    expect(rolesSource).toContain('treeRef.value?.setCheckedKeys([...form.permissionIds])')
    expect(rolesSource).not.toContain('<code v-if="data.code">{{ data.code }}</code>')
    expect(rolesSource).not.toContain('nextTick(() =>')
  })

  it('shows the role code in the default list layout', () => {
    expect(rolesSource).toContain("{ key: 'roleCode', prop: 'code', label: '角色编码', minWidth: 180, showOverflowTooltip: true }")
    expect(rolesSource).toContain('<el-form-item label="角色编码"')
    expect(rolesSource).not.toContain('<small>{{ (row as Role).code }}</small>')
    expect(rolesSource).toContain('aria-label="平台角色列表"')
  })

  it('uses the prototype-sized centered role editor with responsive split panes', () => {
    expect(rolesSource).toContain('<AppDialog v-model="editorOpen"')
    expect(rolesSource).toContain('width="min(860px, calc(100vw - 28px))"')
    expect(rolesSource).not.toContain('<AppDrawer v-model="editorOpen"')
    expect(rolesSource).toContain('grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.3fr)')
    expect(rolesSource).toContain('.role-editor-layout { grid-template-columns: minmax(0, 1fr); }')
    expect(rolesSource).toContain('fullscreenable :confirm-loading="saving"')
    expect(rolesSource).toContain(':global(.role-editor-dialog.app-dialog.admin-density-dialog.el-dialog:not(.is-fullscreen))')
    expect(rolesSource).not.toContain('max-height: 380px')
  })

  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(rolesSource).toContain('userCount: role.memberCount')
    expect(rolesSource).not.toContain('listPlatformInternalUsers')
    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()

    const alertText = wrapper.findAll('[role="alert"]').map((item) => item.text()).join(' ')
    expect(alertText).toContain('平台角色列表加载失败，请稍后重试')
    expect(alertText).not.toContain('IAM unavailable')
  })
})