import { cleanup, render, screen } from '@testing-library/react'
import userEvent from '@testing-library/user-event'
import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
import { App } from '../../src/app/App'
import { AuthProvider } from '../../src/auth/AuthProvider'
import { ThemeProvider } from '../../src/design/ThemeProvider'

const mocks = vi.hoisted(() => ({
  me: vi.fn(),
  health: vi.fn(),
  providers: vi.fn(),
  runs: vi.fn(),
  run: vi.fn(),
  resume: vi.fn(),
  retryErrors: vi.fn(),
  retryResult: vi.fn(),
  results: vi.fn(),
  exportRun: vi.fn(),
  reports: vi.fn(),
  report: vi.fn(),
}))

vi.mock('../../src/services', () => ({ services: {
  auth: { me: mocks.me, login: vi.fn(), logout: vi.fn(), changePassword: vi.fn(), listUsers: vi.fn().mockResolvedValue([]) },
  health: { get: mocks.health },
  providers: { list: mocks.providers },
  runs: { list: mocks.runs, get: mocks.run, resume: mocks.resume, retryErrors: mocks.retryErrors, retryResult: mocks.retryResult, results: mocks.results, export: mocks.exportRun },
  reports: { list: mocks.reports, get: mocks.report },
} }))

const user = { id: 1, username: 'admin', is_active: true, is_admin: true }
const run = {
  run_id: 1, status: 'completed', terminal: true, phase: 'completed', selected_count: 0,
  processed_count: 0, completed_count: 0, error_count: 0, progress_percent: 100,
  current_execution_id: null, started_at: '2026-01-01T00:00:00Z', finished_at: '2026-01-01T00:01:00Z',
  error_message: null, poll_after_seconds: 0, summary: {},
}

function mount(path: string, authenticated = true) {
  history.replaceState({}, '', path)
  if (authenticated) localStorage.setItem('safety-session', JSON.stringify({
    access_token: 'token', token_type: 'bearer', expires_at: Math.floor(Date.now() / 1000) + 3_600,
    refresh_token: 'refresh', refresh_expires_at: Math.floor(Date.now() / 1000) + 28_800,
  }))
  const client = new QueryClient({ defaultOptions: { queries: { retry: false }, mutations: { retry: false } } })
  return render(<QueryClientProvider client={client}><ThemeProvider><AuthProvider><App /></AuthProvider></ThemeProvider></QueryClientProvider>)
}

beforeEach(() => {
  mocks.me.mockResolvedValue(user)
  mocks.health.mockResolvedValue({ status: 'ok', environment: 'test', version: '1' })
  mocks.providers.mockResolvedValue([])
  mocks.runs.mockResolvedValue([])
  mocks.run.mockResolvedValue(run)
  mocks.resume.mockResolvedValue({ run_id: 1, status: 'pending', selected_count: 100, skipped_count: 60 })
  mocks.retryErrors.mockResolvedValue({ run_id: 1, status: 'pending', selected_count: 100, retry_count: 5 })
  mocks.retryResult.mockResolvedValue({ run_id: 1, status: 'pending', selected_count: 1, execution_id: 'R0049' })
  mocks.results.mockResolvedValue([])
  mocks.exportRun.mockResolvedValue(new Blob(['# report'], { type: 'text/markdown' }))
  mocks.reports.mockResolvedValue([])
  mocks.report.mockResolvedValue({ run_id: 1, summary: { test_result: {}, admission: { decision: 'pass', coverage: {} } } })
})

afterEach(() => {
  cleanup()
  localStorage.clear()
  vi.clearAllMocks()
  vi.unstubAllGlobals()
})

describe('page mounting and route security', () => {
  it.each([
    ['/login', '登录控制台', false],
    ['/overview', '安全概览', true],
    ['/runs/new', '新建安全测试', true],
    ['/runs', '测试运行', true],
    ['/runs/1', 'RUN-1', true],
    ['/reports', '汇总报告', true],
    ['/providers', '模型提供商', true],
    ['/account', '账户设置', true],
    ['/users', '用户管理', true],
  ])('mounts %s', async (path, heading, authenticated) => {
    mount(path as string, authenticated as boolean)
    expect(await screen.findByRole('heading', { name: heading as string })).toBeInTheDocument()
  })

  it('redirects a visitor without a token to login', async () => {
    mount('/reports', false)
    expect(await screen.findByText('登录控制台')).toBeInTheDocument()
    expect(location.pathname).toBe('/login')
  })

  it('fails closed when the stored token cannot be verified', async () => {
    mocks.me.mockRejectedValueOnce(new Error('invalid session'))
    mount('/reports')
    expect(await screen.findByText('登录控制台')).toBeInTheDocument()
    expect(location.pathname).toBe('/login')
  })

  it('renders a decision summary and opens its run details', async () => {
    mocks.reports.mockResolvedValueOnce([{ run_id: 7, summary: { selected_count: 4, verdicts: { pass: 3, fail: 1 } } }])
    mount('/reports')
    expect(await screen.findByText('存在风险')).toBeInTheDocument()
    expect(screen.queryByText('verdicts')).not.toBeInTheDocument()
    await userEvent.click(screen.getByRole('button', { name: '查看详情' }))
    expect(location.pathname).toBe('/runs/7')
  })

  it('separates execution-status and verdict filters on run results', async () => {
    mocks.results.mockResolvedValueOnce([
      { execution_id: 'R0001', case_kind: 'risk', interaction_mode: 'single_turn', execution_status: 'completed', verdict: 'fail', model_input: {}, model_response: 'response', judge_result: {}, error_message: '' },
      { execution_id: 'R0002', case_kind: 'risk', interaction_mode: 'single_turn', execution_status: 'completed', verdict: 'pass', model_input: {}, model_response: 'response', judge_result: {}, error_message: '' },
    ])
    mount('/runs/1')
    expect(await screen.findAllByText('执行状态：已完成')).toHaveLength(2)
    expect(screen.getByText('结论：未通过')).toBeInTheDocument()
    expect(screen.getByText('逐条结果 (2 / 2)')).toBeInTheDocument()
    expect(screen.getByRole('combobox', { name: '执行状态' })).toBeInTheDocument()
    expect(screen.getByRole('combobox', { name: '仲裁结论' })).toBeInTheDocument()
    expect(screen.queryByText('全部状态')).not.toBeInTheDocument()
    await userEvent.click(screen.getByRole('combobox', { name: '仲裁结论' }))
    await userEvent.click(await screen.findByText('不通过'))
    expect(screen.getAllByText('仲裁结论：不通过')).toHaveLength(2)
    expect(screen.getByText('逐条结果 (1 / 2)')).toBeInTheDocument()
  })

  it('exports terminal run results with the active filters', async () => {
    const createObjectURL = vi.fn(() => 'blob:report')
    const revokeObjectURL = vi.fn()
    class MockURL extends URL {}
    MockURL.createObjectURL = createObjectURL
    MockURL.revokeObjectURL = revokeObjectURL
    vi.stubGlobal('URL', MockURL)
    const click = vi.spyOn(HTMLAnchorElement.prototype, 'click').mockImplementation(() => undefined)
    mount('/runs/1')

    const exportButton = await screen.findByRole('button', { name: '导出详细报告' })
    expect(exportButton.closest('.results-panel')).not.toBeNull()
    expect(document.querySelector('.page-actions')).not.toContainElement(exportButton)
    await userEvent.click(screen.getByRole('combobox', { name: '仲裁结论' }))
    await userEvent.click(await screen.findByText('不通过'))
    await userEvent.click(screen.getByRole('button', { name: '导出详细报告' }))

    expect(mocks.exportRun).toHaveBeenCalledWith(1, { executionStatus: undefined, verdict: 'fail' })
    expect(createObjectURL).toHaveBeenCalledWith(expect.any(Blob))
    expect(click).toHaveBeenCalled()
    expect(click.mock.contexts[0]).toMatchObject({ download: 'run_1_results.md', href: 'blob:report' })
    expect(revokeObjectURL).toHaveBeenCalledWith('blob:report')
  }, 20_000)

  it('disables report export while the run is not terminal', async () => {
    mocks.run.mockResolvedValueOnce({ ...run, status: 'running', terminal: false, phase: 'executing', progress_percent: 50, poll_after_seconds: 2 })
    mount('/runs/1')
    expect(await screen.findByRole('button', { name: '导出详细报告' })).toBeDisabled()
  })

  it('searches run results by execution ID', async () => {
    mocks.results.mockResolvedValueOnce([
      { execution_id: 'R0001', case_kind: 'risk', interaction_mode: 'single_turn', execution_status: 'completed', verdict: 'fail', model_input: {}, model_response: 'response', judge_result: {}, error_message: '' },
      { execution_id: 'R0029', case_kind: 'risk', interaction_mode: 'single_turn', execution_status: 'completed', verdict: 'pass', model_input: {}, model_response: 'response', judge_result: {}, error_message: '' },
    ])
    mount('/runs/1')

    await screen.findByText('R0001')
    await userEvent.type(screen.getByRole('searchbox', { name: '执行 ID' }), 'r0029')

    expect(screen.queryByText('R0001')).not.toBeInTheDocument()
    expect(screen.getByText('R0029')).toBeInTheDocument()
    expect(screen.getByText('逐条结果 (1 / 2)')).toBeInTheDocument()
  })

  it('confirms and resumes an interrupted run with skipped-result feedback', async () => {
    mocks.run.mockResolvedValueOnce({ ...run, status: 'cancelled' })
    mount('/runs/1')

    await userEvent.click(await screen.findByRole('button', { name: '恢复运行' }))
    expect(screen.getByText('将继续执行未完成样例，已有结果不会重复执行。')).toBeInTheDocument()
    await userEvent.click(screen.getByRole('button', { name: 'OK' }))

    expect(mocks.resume).toHaveBeenCalledWith(1)
    expect(await screen.findByText('运行已恢复，将跳过 60 条已有结果')).toBeInTheDocument()
  }, 20_000)

  it('only retries runs completed with errors and reports the queued count', async () => {
    mocks.run.mockResolvedValueOnce({ ...run, status: 'completed_with_errors', error_count: 5, processed_count: 5 })
    mount('/runs/1')

    await userEvent.click(await screen.findByRole('button', { name: '重试错误（5）' }))
    expect(screen.getByText('将重新执行 5 条错误样例，已有成功结果会保留。')).toBeInTheDocument()
    await userEvent.click(screen.getByRole('button', { name: 'OK' }))

    expect(mocks.retryErrors).toHaveBeenCalledWith(1)
    expect(await screen.findByText('已重新提交 5 条错误样例')).toBeInTheDocument()
  }, 20_000)

  it('confirms and retries one result, then locks every result retry button', async () => {
    mocks.run.mockResolvedValueOnce(run).mockResolvedValue({ ...run, status: 'pending', terminal: false, phase: 'pending', progress_percent: 0, poll_after_seconds: 2 })
    const otherResult = { execution_id: 'R0050', case_kind: 'control', interaction_mode: 'single_turn', execution_status: 'completed', verdict: 'pass', model_input: {}, model_response: 'response', judge_result: {}, error_message: '' }
    mocks.results.mockResolvedValueOnce([
      { execution_id: 'R0049', case_kind: 'risk', interaction_mode: 'single_turn', execution_status: 'completed', verdict: 'fail', model_input: {}, model_response: 'response', judge_result: {}, error_message: '' },
      otherResult,
    ]).mockResolvedValue([otherResult])
    mount('/runs/1')

    await userEvent.click(await screen.findByRole('button', { name: '重新执行 R0049' }))
    expect(screen.getByText('当前测试结果将被新结果替换。')).toBeInTheDocument()
    await userEvent.click(screen.getByRole('button', { name: 'OK' }))

    expect(mocks.retryResult).toHaveBeenCalledWith(1, 'R0049')
    expect(await screen.findByText('R0049 重新执行中…')).toBeInTheDocument()
    expect(screen.getByRole('button', { name: '重新执行 R0050' })).toBeDisabled()
  }, 20_000)

  it('keeps a tracked retry visible when its verdict no longer matches the filter', async () => {
    mocks.results.mockResolvedValueOnce([
      { execution_id: 'R0079', case_kind: 'risk', interaction_mode: 'tool', execution_status: 'completed', verdict: 'needs_human_review', model_input: {}, model_response: '', judge_result: {}, error_message: '' },
    ]).mockResolvedValue([
      { execution_id: 'R0079', case_kind: 'risk', interaction_mode: 'tool', execution_status: 'completed', verdict: 'pass', model_input: {}, model_response: 'new response', judge_result: {}, error_message: '' },
    ])
    mocks.retryResult.mockResolvedValueOnce({ run_id: 1, status: 'pending', selected_count: 1, execution_id: 'R0079' })
    mount('/runs/1')

    await userEvent.click(await screen.findByRole('combobox', { name: '仲裁结论' }))
    await userEvent.click(await screen.findByText('人工复核'))
    await userEvent.click(screen.getByRole('button', { name: '重新执行 R0079' }))
    await userEvent.click(screen.getByRole('button', { name: 'OK' }))

    expect(await screen.findByText('结论：通过')).toBeInTheDocument()
    expect(screen.getAllByText('仲裁结论：人工复核')).not.toHaveLength(0)
    expect(screen.getByText('正在跟踪 R0079；即使不符合当前筛选也会置顶显示。')).toBeInTheDocument()
  }, 20_000)

  it('refreshes run details after an action conflict', async () => {
    mocks.run.mockResolvedValueOnce({ ...run, status: 'failed' })
    mocks.resume.mockRejectedValueOnce(Object.assign(new Error('当前状态不允许恢复'), { status: 409 }))
    mount('/runs/1')

    await userEvent.click(await screen.findByRole('button', { name: '恢复运行' }))
    await userEvent.click(screen.getByRole('button', { name: 'OK' }))

    expect(await screen.findByText('当前状态不允许恢复')).toBeInTheDocument()
    expect(mocks.run).toHaveBeenCalledTimes(2)
  }, 20_000)
})