import { mkdirSync, writeFileSync } from 'node:fs'
import { join } from 'node:path'
import { fileURLToPath } from 'node:url'
import { expect, test, type APIRequestContext } from '@playwright/test'

const venvProject = fileURLToPath(
  new URL('../../.e2e-data/venv-project', import.meta.url),
)

function createVenvFixture(): string {
  const scripts = join(venvProject, '.venv', 'Scripts')
  mkdirSync(scripts, { recursive: true })
  writeFileSync(join(venvProject, '.venv', 'pyvenv.cfg'), 'home = C:\\Python\n')
  writeFileSync(join(scripts, 'python.exe'), '')
  return venvProject
}

const taskPayload = {
  id: 'e2e_echo',
  name: 'E2E echo',
  cron: '0 0 2 * * *',
  timezone: 'Asia/Shanghai',
  enabled: true,
  timeout_secs: 10,
  action: {
    type: 'script',
    working_dir: '.',
    interpreter: 'cmd.exe',
    script: '/C',
    args: ['echo', 'e2e-output'],
    env: {},
  },
}

async function authHeaders(request: APIRequestContext) {
  const response = await request.get('/api/v1/session')
  expect(response.ok()).toBeTruthy()
  const session = (await response.json()) as { token: string }
  return { 'X-TaskPilot-Token': session.token }
}

test('manages a task and reads a real run log', async ({ page, request }) => {
  const headers = await authHeaders(request)
  const existing = await request.get('/api/v1/tasks?page=1&page_size=100')
  expect(existing.ok()).toBeTruthy()
  const existingBody = (await existing.json()) as {
    items: Array<{ id: string }>
  }
  for (const task of existingBody.items) {
    await request.delete(`/api/v1/tasks/${task.id}`, { headers })
  }

  const createResponse = await request.post('/api/v1/tasks', {
    data: taskPayload,
    headers,
  })
  expect(createResponse.status()).toBe(201)

  await page.goto('/')
  await expect(page.getByText('E2E echo')).toBeVisible()
  await page.screenshot({
    path: 'test-results/dashboard-desktop.png',
    fullPage: true,
  })

  await page.getByRole('button', { name: '+ 新建任务' }).click()
  const newTaskDialog = page.getByRole('dialog', { name: '新建定时任务' })
  await expect(newTaskDialog).toBeVisible()
  await expect(newTaskDialog.getByLabel('任务标识')).toBeFocused()
  await page.screenshot({
    path: 'test-results/dashboard-task-editor.png',
    fullPage: true,
  })

  const workingDir = createVenvFixture()
  await newTaskDialog.getByLabel(/项目工作目录/).fill(workingDir)
  await expect(
    newTaskDialog.locator('.env-status-badge.ok code'),
  ).toHaveText('.venv\\Scripts\\python.exe')
  await expect(newTaskDialog.getByText(/已关联虚拟环境/)).toBeVisible()
  await page.screenshot({
    path: 'test-results/dashboard-venv-detected.png',
    fullPage: true,
  })

  const addArgumentButton = newTaskDialog.getByRole('button', {
    name: '+ 添加参数',
  })
  await addArgumentButton.focus()
  await page.keyboard.press('Enter')
  await newTaskDialog
    .getByPlaceholder('参数名 (如 --mode 或 -v)')
    .fill('--mode')
  await newTaskDialog
    .getByPlaceholder('参数值 (可选，无值可留空)')
    .fill('full')
  await newTaskDialog
    .getByLabel(/虚拟环境目录/)
    .fill('.venv')
  await newTaskDialog
    .getByText('调用预览 (Runtime Preview)')
    .scrollIntoViewIfNeeded()
  await expect(
    newTaskDialog.getByText(
      '.venv\\Scripts\\python.exe main.py --mode full',
      { exact: false },
    ),
  ).toBeVisible()
  await page.screenshot({
    path: 'test-results/dashboard-task-editor-runtime.png',
    fullPage: true,
  })
  await page.keyboard.press('Escape')
  await expect(newTaskDialog).toBeHidden()

  await page.getByRole('button', { name: '运行' }).click()
  const drawer = page.getByRole('dialog', { name: 'E2E echo' })
  await expect(drawer).toBeVisible()
  await expect(drawer.getByText('e2e-output')).toBeVisible()
  await expect(drawer.locator('.status-succeeded').first()).toBeVisible()
  await page.screenshot({
    path: 'test-results/dashboard-log-drawer.png',
    fullPage: true,
  })
  await drawer.getByRole('button', { name: '关闭运行日志' }).click()

  await page.getByRole('button', { name: '编辑' }).click()
  const editor = page.getByRole('dialog', {
    name: '编辑任务 [e2e_echo]',
  })
  await expect(editor).toBeVisible()
  const nameInput = editor.getByLabel('名称')
  await nameInput.fill('E2E updated')
  await editor.getByRole('button', { name: '保存修改' }).click()
  await expect(page.getByText('E2E updated')).toBeVisible()

  await page.getByRole('button', { name: '停用' }).click()
  await expect(
    page
      .getByRole('row', { name: /E2E updated/ })
      .locator('.status-disabled'),
  ).toBeVisible()

  await page.getByRole('button', { name: '删除' }).click()
  await page
    .getByRole('alertdialog')
    .getByRole('button', { name: '确认删除' })
    .click()
  await expect(page.getByRole('heading', { name: '还没有任务' })).toBeVisible()
})

test('keeps the dashboard usable on a narrow viewport', async ({
  page,
  request,
}) => {
  const headers = await authHeaders(request)
  await request.post('/api/v1/tasks', {
    headers,
    data: {
      ...taskPayload,
      id: 'e2e_mobile',
      name: 'Mobile task',
    },
  })
  await page.setViewportSize({ width: 390, height: 844 })
  await page.goto('/')
  await expect(page.getByText('Mobile task')).toBeVisible()
  await expect(page.getByRole('button', { name: '+ 新建任务' })).toBeVisible()
  await page.screenshot({
    path: 'test-results/dashboard-mobile.png',
    fullPage: true,
  })
})

test('cancels a running task from the log drawer', async ({
  page,
  request,
}) => {
  const headers = await authHeaders(request)
  const response = await request.post('/api/v1/tasks', {
    headers,
    data: {
      ...taskPayload,
      id: 'e2e_cancel',
      name: 'Cancel task',
      timeout_secs: 30,
      action: {
        ...taskPayload.action,
        args: ['ping', '-t', '127.0.0.1'],
      },
    },
  })
  expect(response.status()).toBe(201)

  await page.goto('/')
  await page
    .getByRole('row', { name: /Cancel task/ })
    .getByRole('button', { name: '运行' })
    .click()
  const drawer = page.getByRole('dialog', { name: 'Cancel task' })
  await expect(drawer).toBeVisible()
  await expect(drawer.getByText('SSE 实时连接')).toBeVisible()
  await drawer.getByRole('button', { name: '取消运行' }).click()
  await expect(drawer.locator('.status-cancelled').first()).toBeVisible()
})