import { describe, it, expect, vi, beforeEach } from 'vitest';
import { render, screen, fireEvent, waitFor } from '@testing-library/react';
import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
import { AdvertisementManagement } from '../../src/components/AdvertisementManagement';
import { getAdvertisementClient } from '../../src/api/advertisementClient';

// 完整的mock响应对象
const createMockResponse = (status: number, data?: any) => ({
  status,
  ok: status >= 200 && status < 300,
  body: null,
  bodyUsed: false,
  statusText: status === 200 ? 'OK' : status === 201 ? 'Created' : status === 204 ? 'No Content' : 'Error',
  headers: new Headers(),
  url: '',
  redirected: false,
  type: 'basic' as ResponseType,
  json: async () => data || {},
  text: async () => '',
  blob: async () => new Blob(),
  arrayBuffer: async () => new ArrayBuffer(0),
  formData: async () => new FormData(),
  clone: function() { return this; }
});

// Mock API client
vi.mock('../../src/api/advertisementClient', () => {
  const mockAdvertisementClient = {
    $get: vi.fn(() => Promise.resolve({ status: 200, body: null })),
    $post: vi.fn(() => Promise.resolve({ status: 201, body: null })),
    ':id': {
      $put: vi.fn(() => Promise.resolve({ status: 200, body: null })),
      $delete: vi.fn(() => Promise.resolve({ status: 204, body: null })),
    },
  };

  const mockAdvertisementClientManager = {
    get: vi.fn(() => mockAdvertisementClient),
  };

  return {
    advertisementClientManager: mockAdvertisementClientManager,
    getAdvertisementClient: vi.fn(() => mockAdvertisementClient),
  };
});

// Mock toast
vi.mock('sonner', () => ({
  toast: {
    success: vi.fn(() => {}),
    error: vi.fn(() => {}),
  },
}));

// Mock FileSelector
vi.mock('@d8d/file-management-ui', () => ({
  FileSelector: ({ value, onChange, ...props }: any) => (
    <div data-testid="file-selector">
      <input
        type="number"
        value={value || ''}
        onChange={(e) => onChange?.(parseInt(e.target.value))}
        data-testid="file-selector-input"
        {...props}
      />
    </div>
  ),
}));

// Mock AdvertisementTypeSelector
vi.mock('@d8d/advertisement-type-management-ui', () => ({
  AdvertisementTypeSelector: ({ value, onChange, ...props }: any) => (
    <div data-testid="advertisement-type-selector">
      <select
        value={value?.toString() || ''}
        onChange={(e) => onChange?.(parseInt(e.target.value))}
        data-testid="type-selector"
        {...props}
      >
        <option value="1">首页轮播</option>
        <option value="2">侧边栏广告</option>
      </select>
    </div>
  ),
}));

const createTestQueryClient = () =>
  new QueryClient({
    defaultOptions: {
      queries: {
        retry: false,
      },
    },
  });

const renderWithProviders = (component: React.ReactElement) => {
  const queryClient = createTestQueryClient();
  return render(
    <QueryClientProvider client={queryClient}>
      {component as any}
    </QueryClientProvider>
  );
};

describe('广告管理集成测试', () => {
  beforeEach(() => {
    vi.clearAllMocks();
  });

  it('应该完成完整的广告CRUD流程', async () => {
    const mockAdvertisements = {
      data: [
        {
          id: 1,
          title: '测试广告',
          code: 'test-ad',
          typeId: 1,
          advertisementType: { id: 1, name: '首页轮播' },
          url: 'https://example.com',
          imageFileId: 1,
          imageFile: { id: 1, fullUrl: 'https://example.com/image.jpg' },
          sort: 1,
          status: 1,
          actionType: 1,
          createdAt: '2024-01-01T00:00:00Z',
        },
      ],
      pagination: {
        total: 1,
        page: 1,
        pageSize: 10,
      },
    };

    const { toast } = await import('sonner');

    // Mock initial advertisement list
    const client = getAdvertisementClient();
    (client.$get as any).mockResolvedValue(createMockResponse(200, mockAdvertisements));

    renderWithProviders(<AdvertisementManagement />);

    // Wait for initial data to load
    await waitFor(() => {
      expect(screen.getByText('测试广告')).toBeInTheDocument();
    });

    // Test create advertisement
    const createButton = screen.getByText('创建广告');
    fireEvent.click(createButton);

    // Fill create form
    const titleInput = screen.getByTestId('title-input');
    const codeInput = screen.getByTestId('code-input');
    const typeSelector = screen.getByTestId('type-selector');

    fireEvent.change(titleInput, { target: { value: '新广告' } });
    fireEvent.change(codeInput, { target: { value: 'new-ad' } });
    fireEvent.change(typeSelector, { target: { value: '1' } });

    // Mock successful creation
    (client.$post as any).mockResolvedValue(createMockResponse(201, { id: 2, title: '新广告' }));

    const submitButton = screen.getByTestId('create-submit-button');
    fireEvent.click(submitButton);

    await waitFor(() => {
      expect(client.$post).toHaveBeenCalledWith({
        json: {
          title: '新广告',
          code: 'new-ad',
          typeId: 1,
          url: '',
          imageFileId: undefined,
          sort: 0,
          status: 1,
          actionType: 1
        },
      });
      expect(toast.success).toHaveBeenCalledWith('广告创建成功');
    });

    // Test edit advertisement
    const editButton = screen.getByTestId('edit-button-1');
    fireEvent.click(editButton);

    // Verify edit form is populated
    await waitFor(() => {
      expect(screen.getByDisplayValue('测试广告')).toBeInTheDocument();
    });

    // Update advertisement
    const updateTitleInput = screen.getByDisplayValue('测试广告');
    fireEvent.change(updateTitleInput, { target: { value: '更新后的广告' } });

    // Mock successful update
    (client[':id']['$put'] as any).mockResolvedValue(createMockResponse(200));

    const updateButton = screen.getByTestId('update-submit-button');
    fireEvent.click(updateButton);

    await waitFor(() => {
      expect(client[':id']['$put']).toHaveBeenCalledWith({
        param: { id: 1 },
        json: {
          title: '更新后的广告',
          typeId: 1,
          code: 'test-ad',
          url: 'https://example.com',
          imageFileId: 1,
          sort: 1,
          status: 1,
          actionType: 1
        },
      });
      expect(toast.success).toHaveBeenCalledWith('广告更新成功');
    });

    // Test delete advertisement
    const deleteButton = screen.getByTestId('delete-button-1');
    fireEvent.click(deleteButton);

    // Confirm deletion
    expect(screen.getByText('确认删除')).toBeInTheDocument();

    // Mock successful deletion
    (client[':id']['$delete'] as any).mockResolvedValue({
      status: 204,
    });

    const confirmDeleteButton = screen.getByTestId('confirm-delete-button');
    fireEvent.click(confirmDeleteButton);

    await waitFor(() => {
      expect(client[':id']['$delete']).toHaveBeenCalledWith({
        param: { id: 1 },
      });
      expect(toast.success).toHaveBeenCalledWith('广告删除成功');
    });
  });

  it('应该优雅处理API错误', async () => {
    const client = getAdvertisementClient();
    const { toast } = await import('sonner');

    // Mock API error
    (client.$get as any).mockRejectedValue(new Error('API Error'));

    renderWithProviders(<AdvertisementManagement />);

    // Should handle error without crashing
    await waitFor(() => {
      expect(screen.getByText('广告管理')).toBeInTheDocument();
    });

    // Test create advertisement error
    const createButton = screen.getByText('创建广告');
    fireEvent.click(createButton);

    const titleInput = screen.getByTestId('title-input');
    const codeInput = screen.getByTestId('code-input');

    fireEvent.change(titleInput, { target: { value: '测试广告' } });
    fireEvent.change(codeInput, { target: { value: 'test-ad' } });

    // Mock creation error
    (client.$post as any).mockRejectedValue(new Error('Creation failed'));

    const submitButton = screen.getByTestId('create-submit-button');
    fireEvent.click(submitButton);

    await waitFor(() => {
      expect(toast.error).toHaveBeenCalledWith('创建广告失败');
    });
  });

  it('应该处理搜索功能', async () => {
    const client = getAdvertisementClient();
    const mockAdvertisements = {
      data: [],
      pagination: { total: 0, page: 1, pageSize: 10 },
    };

    (client.$get as any).mockResolvedValue(createMockResponse(200, mockAdvertisements));

    renderWithProviders(<AdvertisementManagement />);

    // Test search
    const searchInput = screen.getByTestId('search-input');
    fireEvent.change(searchInput, { target: { value: '搜索关键词' } });

    const searchButton = screen.getByText('搜索');
    fireEvent.click(searchButton);

    await waitFor(() => {
      expect(client.$get).toHaveBeenCalledWith({
        query: {
          page: 1,
          pageSize: 10,
          keyword: '搜索关键词',
        },
      });
    });
  });
});