// ============================================================
// Logs 页面测试
// ============================================================

import { describe, it, expect, beforeEach, afterEach } from 'vitest'
import { render, screen, waitFor } from '@testing-library/react'
import { http, HttpResponse } from 'msw'
import { setupServer } from 'msw/node'
import { QueryClient, QueryClientProvider } from '@tanstack/react-query'

import Logs from '@/pages/Logs'

// ── Mock data ────────────────────────────────────────────────

const mockLogs = {
  items: [
    {
      id: 1,
      account_id: 'acc-001',
      action: 'login',
      target_type: 'account',
      target_id: 'acc-001',
      details: null,
      ip_address: '192.168.1.1',
      created_at: '2026-03-30T10:00:00Z',
    },
    {
      id: 2,
      account_id: 'acc-002',
      action: 'create_provider',
      target_type: 'provider',
      target_id: 'prov-001',
      details: { name: 'OpenAI' },
      ip_address: '10.0.0.1',
      created_at: '2026-03-30T09:30:00Z',
    },
    {
      id: 3,
      account_id: 'acc-001',
      action: 'delete_model',
      target_type: 'model',
      target_id: 'mdl-001',
      details: null,
      ip_address: '192.168.1.1',
      created_at: '2026-03-29T14:00:00Z',
    },
  ],
  total: 3,
  page: 1,
  page_size: 20,
}

// ── MSW server ───────────────────────────────────────────────

const server = setupServer()

beforeEach(() => {
  server.listen({ onUnhandledRequest: 'bypass' })
})

afterEach(() => {
  server.close()
})

// ── Helper: render with QueryClient ──────────────────────────

function renderWithProviders(ui: React.ReactElement) {
  const queryClient = new QueryClient({
    defaultOptions: {
      queries: { retry: false },
    },
  })
  return render(
    <QueryClientProvider client={queryClient}>
      {ui}
    </QueryClientProvider>,
  )
}

// ── Tests ────────────────────────────────────────────────────

describe('Logs page', () => {
  it('renders page header', async () => {
    server.use(
      http.get('*/api/v1/logs/operations', () => {
        return HttpResponse.json(mockLogs)
      }),
    )

    renderWithProviders(<Logs />)

    expect(screen.getByText('操作日志')).toBeInTheDocument()
    expect(screen.getByText('系统审计与操作记录')).toBeInTheDocument()
  })

  it('fetches and displays log entries', async () => {
    server.use(
      http.get('*/api/v1/logs/operations', () => {
        return HttpResponse.json(mockLogs)
      }),
    )

    renderWithProviders(<Logs />)

    // Wait for action labels rendered from constants/status.ts
    await waitFor(() => {
      expect(screen.getByText('登录')).toBeInTheDocument()
    })
    expect(screen.getByText('创建服务商')).toBeInTheDocument()
    expect(screen.getByText('删除模型')).toBeInTheDocument()
  })

  it('shows loading spinner while fetching', async () => {
    server.use(
      http.get('*/api/v1/logs/operations', async () => {
        await new Promise((resolve) => setTimeout(resolve, 500))
        return HttpResponse.json(mockLogs)
      }),
    )

    renderWithProviders(<Logs />)

    // Ant Design Spin component renders a .ant-spin element
    const spinner = document.querySelector('.ant-spin')
    expect(spinner).toBeTruthy()

    // Wait for loading to complete so afterEach cleanup is clean
    await waitFor(() => {
      expect(screen.getByText('登录')).toBeInTheDocument()
    })
  })

  it('shows ErrorState on API failure with retry button', async () => {
    server.use(
      http.get('*/api/v1/logs/operations', () => {
        return HttpResponse.json(
          { error: 'internal_error', message: '服务器内部错误' },
          { status: 500 },
        )
      }),
    )

    renderWithProviders(<Logs />)

    // ErrorState renders the error message
    await waitFor(() => {
      expect(screen.getByText('服务器内部错误')).toBeInTheDocument()
    })
    // Ant Design Button splits two-character text with a space: "重 试"
    const retryButton = screen.getByRole('button', { name: /重.?试/ })
    expect(retryButton).toBeInTheDocument()
  })

  it('renders action as a colored tag', async () => {
    server.use(
      http.get('*/api/v1/logs/operations', () => {
        return HttpResponse.json(mockLogs)
      }),
    )

    renderWithProviders(<Logs />)

    await waitFor(() => {
      expect(screen.getByText('登录')).toBeInTheDocument()
    })

    // Verify the action tags have the correct Ant Design color classes
    const loginTag = screen.getByText('登录').closest('.ant-tag')
    expect(loginTag).toBeTruthy()
    // actionColors.login = 'green' → Ant Design renders ant-tag-green or ant-tag-color-green
    expect(loginTag?.className).toMatch(/green/)
  })

  it('renders IP address column', async () => {
    server.use(
      http.get('*/api/v1/logs/operations', () => {
        return HttpResponse.json(mockLogs)
      }),
    )

    renderWithProviders(<Logs />)

    await waitFor(() => {
      expect(screen.getByText('登录')).toBeInTheDocument()
    })

    // 192.168.1.1 appears twice (two log entries from the same IP)
    const ip1Elements = screen.getAllByText('192.168.1.1')
    expect(ip1Elements.length).toBeGreaterThanOrEqual(1)
    expect(screen.getByText('10.0.0.1')).toBeInTheDocument()
  })

  it('renders target_type column', async () => {
    server.use(
      http.get('*/api/v1/logs/operations', () => {
        return HttpResponse.json(mockLogs)
      }),
    )

    renderWithProviders(<Logs />)

    await waitFor(() => {
      expect(screen.getByText('登录')).toBeInTheDocument()
    })

    expect(screen.getByText('account')).toBeInTheDocument()
    expect(screen.getByText('provider')).toBeInTheDocument()
    expect(screen.getByText('model')).toBeInTheDocument()
  })
})