import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest'
import { mount, flushPromises } from '@vue/test-utils'
import { nextTick } from 'vue'
import { createPinia, setActivePinia } from 'pinia'
import { message } from 'ant-design-vue'
import DataScopeModal from '@/components/DataScopeModal.vue'

Object.defineProperty(window, 'matchMedia', {
  writable: true,
  value: (query: string) => ({
    matches: false,
    media: query,
    onchange: null,
    addListener: () => {},
    removeListener: () => {},
    addEventListener: () => {},
    removeEventListener: () => {},
    dispatchEvent: () => false,
  }),
})

vi.mock('@/utils/request', () => ({
  api: {
    get: vi.fn(),
    post: vi.fn(),
    put: vi.fn(),
    delete: vi.fn(),
  },
}))

import { api } from '@/utils/request'

const mockScopes = {
  user_id: 1,
  role: 'accessor',
  scopes: [
    { scope_type: 'company', scope_id: 1, name: '阿克米公司' },
    { scope_type: 'store', scope_id: 5, name: '我的店铺' },
  ],
  resolved_store_ids: [5],
}

const mockCompanies = [
  { id: 1, name: 'acme', label: '阿克米公司', enabled: true },
  { id: 2, name: 'beta', label: '贝塔公司', enabled: true },
]

const mockPlatforms = [
  { id: 1, developer_id: 1 },
  { id: 2, developer_id: 1 },
]

const mockStores = [
  { id: 5, company_id: 1, platform_id: 1, name: 'my-store', label: '我的店铺' },
  { id: 6, company_id: 2, platform_id: 2, name: 'other-store', label: '其他店铺' },
]

function setupMocks(overrides: { scopes?: typeof mockScopes } = {}) {
  vi.mocked(api.get).mockImplementation((url: string) => {
    if (url.match(/\/users\/\d+\/data-scope/)) return Promise.resolve(overrides.scopes ?? mockScopes) as never
    if (url === '/api/v1/companies') return Promise.resolve(mockCompanies) as never
    if (url === '/api/v1/platforms') return Promise.resolve(mockPlatforms) as never
    if (url === '/api/v1/stores') return Promise.resolve(mockStores) as never
    return Promise.resolve([]) as never
  })
  vi.mocked(api.put).mockResolvedValue(undefined as never)
}

describe('DataScopeModal', () => {
  let wrapper: ReturnType<typeof mount>

  beforeEach(() => {
    vi.restoreAllMocks()
    document.body.innerHTML = ''
    setActivePinia(createPinia())
  })

  afterEach(() => {
    wrapper?.unmount()
    document.body.innerHTML = ''
  })

  async function mountModal(props = {}) {
    wrapper = mount(DataScopeModal, {
      props: {
        open: true,
        userId: 1,
        username: 'testuser',
        ...props,
      },
      attachTo: document.body,
    })
    await flushPromises()
    await nextTick()
    return wrapper
  }

  function queryBody(selector: string) {
    return document.body.querySelectorAll(selector)
  }

  describe('数据加载', () => {
    it('打开时加载用户 scope 数据', async () => {
      setupMocks()
      await mountModal()

      expect(vi.mocked(api.get)).toHaveBeenCalled()
      const calls = vi.mocked(api.get).mock.calls.map((c) => c[0])
      expect(calls.some((url) => url.includes('/data-scope'))).toBe(true)
      expect(calls.some((url) => url.includes('/companies'))).toBe(true)
    })

    it('标题包含用户名', async () => {
      setupMocks()
      await mountModal()
      const title = document.body.querySelector('.ant-modal-title')
      expect(title?.textContent).toContain('testuser')
    })

    it('open=false 不渲染内容', async () => {
      setupMocks()
      await mountModal({ open: false })
      const modal = document.body.querySelector('.ant-modal')
      expect(modal).toBeNull()
    })
  })

  describe('Scope 行操作', () => {
    it('加载后显示 scope 行', async () => {
      setupMocks()
      await mountModal()

      // 2 scope rows rendered as flex rows
      const selects = queryBody('.ant-select')
      // Each row has 2 selects (type + entity), so expect >= 4
      expect(selects.length).toBeGreaterThanOrEqual(4)
    })

    it('点击添加按钮增加一行', async () => {
      setupMocks({ scopes: { ...mockScopes, scopes: [] } })
      await mountModal()

      const addBtn = Array.from(queryBody('.ant-btn-dashed')).find(
        (btn) => btn.textContent?.includes('添加数据范围'),
      ) as HTMLElement
      expect(addBtn).toBeTruthy()
      addBtn.click()
      await flushPromises()
      await nextTick()

      // Should have at least one row with selects now
      const selects = queryBody('.ant-select')
      expect(selects.length).toBeGreaterThanOrEqual(2)
    })

    it('点击删除按钮移除行', async () => {
      setupMocks()
      await mountModal()

      const deleteBtns = queryBody('.anticon-delete')
      const initialCount = deleteBtns.length
      expect(initialCount).toBe(2)

      // Click first delete
      const firstDeleteBtn = deleteBtns[0]?.closest('button') as HTMLElement
      if (firstDeleteBtn) {
        firstDeleteBtn.click()
        await flushPromises()
        await nextTick()
      }

      const afterDeleteBtns = queryBody('.anticon-delete')
      expect(afterDeleteBtns.length).toBe(initialCount - 1)
    })
  })

  describe('保存', () => {
    it('保存调用正确 API', async () => {
      setupMocks()
      await mountModal()

      // Click OK button
      const okBtn = Array.from(queryBody('.ant-btn-primary')).find(
        (btn) => btn.textContent?.includes('确') || btn.textContent?.includes('OK'),
      ) as HTMLElement
      if (okBtn) {
        okBtn.click()
        await flushPromises()
      }

      expect(vi.mocked(api.put)).toHaveBeenCalledWith(
        '/api/v1/users/1/data-scope',
        {
          scopes: [
            { scope_type: 'company', scope_id: 1 },
            { scope_type: 'store', scope_id: 5 },
          ],
        },
      )
    })

    it('保存成功显示 success message', async () => {
      setupMocks()
      const spy = vi.spyOn(message, 'success')
      await mountModal()

      const okBtn = Array.from(queryBody('.ant-btn-primary')).find(
        (btn) => btn.textContent?.includes('确') || btn.textContent?.includes('OK'),
      ) as HTMLElement
      if (okBtn) {
        okBtn.click()
        await flushPromises()
      }

      expect(spy).toHaveBeenCalledWith('数据范围保存成功')
    })

    it('API 失败显示 error message', async () => {
      setupMocks()
      vi.mocked(api.put).mockRejectedValueOnce(new Error('保存出错'))
      const spy = vi.spyOn(message, 'error')
      await mountModal()

      const okBtn = Array.from(queryBody('.ant-btn-primary')).find(
        (btn) => btn.textContent?.includes('确') || btn.textContent?.includes('OK'),
      ) as HTMLElement
      if (okBtn) {
        okBtn.click()
        await flushPromises()
      }

      expect(spy).toHaveBeenCalledWith('保存出错')
    })
  })
})