/** @jest-environment node */

import { NextRequest } from 'next/server'
import { getServerSession } from 'next-auth'
import { POST } from '@/app/api/materials/transcode/route'
import { prisma } from '@/lib/prisma'
import { hasSystemAdminPermission } from '@/lib/department-permission'
import { transcodeQueue } from '@/lib/video-transcode-queue'

jest.mock('next-auth', () => ({
  getServerSession: jest.fn(),
}))

jest.mock('@/lib/auth', () => ({
  authOptions: {},
}))

jest.mock('@/lib/prisma', () => ({
  prisma: {
    material: {
      count: jest.fn(),
      findFirst: jest.fn(),
    },
  },
}))

jest.mock('@/lib/department-permission', () => ({
  canUserViewMaterial: jest.fn(),
  hasSystemAdminPermission: jest.fn(),
}))

jest.mock('@/lib/video-transcode-task', () => ({
  executeTranscodeTask: jest.fn(),
}))

jest.mock('@/lib/video-transcode-queue', () => ({
  VIDEO_MATERIAL_TYPES: ['淘系-主图视频'],
  transcodeQueue: {
    add: jest.fn(),
    getStatus: jest.fn(() => ({
      waiting: [],
      processingIds: ['material-1'],
      progress: new Map(),
      stages: new Map(),
      maxConcurrent: 1,
    })),
    recoverOnStartup: jest.fn().mockResolvedValue(1),
    recoverInterruptedTasks: jest.fn(),
  },
}))

function createRequest() {
  return new NextRequest('http://localhost/api/materials/transcode', {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ materialId: 'material-1', forceRetry: true }),
  })
}

describe('transcode route authorization', () => {
  beforeEach(() => {
    jest.clearAllMocks()
    ;(transcodeQueue.add as jest.Mock).mockResolvedValue(undefined)
    ;(getServerSession as jest.Mock).mockResolvedValue({
      user: { id: 'owner-1', role: 'USER', isSuperAdmin: false },
    })
    ;(hasSystemAdminPermission as jest.Mock).mockReturnValue(false)
    ;(prisma.material.findFirst as jest.Mock).mockResolvedValue({
      id: 'material-1',
      userId: 'owner-1',
      videoSourceUrl: 'uploads/materials/video.mp4',
      videoCoverUrl: null,
      videoProcessingStatus: 'failed',
      materialType: '淘系-主图视频',
    })
  })

  test('素材所有者可以重试自己的转码任务', async () => {
    const response = await POST(createRequest())

    expect(response.status).toBe(200)
    expect(transcodeQueue.add).toHaveBeenCalledWith(
      'material-1',
      'uploads/materials/video.mp4',
      true,
      expect.any(Function),
    )
    expect(transcodeQueue.recoverOnStartup).not.toHaveBeenCalled()
  })

  test('普通用户不能启动其他用户素材的转码任务', async () => {
    ;(prisma.material.findFirst as jest.Mock).mockResolvedValue({
      id: 'material-1',
      userId: 'other-owner',
      videoSourceUrl: 'uploads/materials/video.mp4',
      videoCoverUrl: null,
      videoProcessingStatus: 'failed',
      materialType: '淘系-主图视频',
    })

    const response = await POST(createRequest())
    const body = await response.json()

    expect(response.status).toBe(403)
    expect(body.error).toContain('只能启动自己素材')
    expect(transcodeQueue.add).not.toHaveBeenCalled()
  })

  test('系统管理员可以启动任意素材的转码任务，恢复由 instrumentation 周期负责', async () => {
    ;(getServerSession as jest.Mock).mockResolvedValue({
      user: { id: 'admin-1', role: 'SYSTEM_ADMIN', isSuperAdmin: false },
    })
    ;(hasSystemAdminPermission as jest.Mock).mockReturnValue(true)
    ;(prisma.material.findFirst as jest.Mock).mockResolvedValue({
      id: 'material-1',
      userId: 'other-owner',
      videoSourceUrl: 'uploads/materials/video.mp4',
      videoCoverUrl: null,
      videoProcessingStatus: 'failed',
      materialType: '淘系-主图视频',
    })

    const response = await POST(createRequest())

    expect(response.status).toBe(200)
    expect(transcodeQueue.recoverOnStartup).not.toHaveBeenCalled()
    expect(transcodeQueue.add).toHaveBeenCalledTimes(1)
  })

  test('POST 只等待持久化入队，不等待后台转码任务完成', async () => {
    const responsePromise = POST(createRequest())

    await expect(responsePromise).resolves.toMatchObject({ status: 200 })
    expect(transcodeQueue.add).toHaveBeenCalledTimes(1)
  })

  test('processing 状态即使 forceRetry 也不能绕过后台租约恢复并启动第二个任务', async () => {
    ;(prisma.material.findFirst as jest.Mock).mockResolvedValue({
      id: 'material-1',
      userId: 'owner-1',
      videoSourceUrl: 'uploads/materials/video.mp4',
      videoCoverUrl: null,
      videoProcessingStatus: 'processing',
      transcodeLeaseToken: null,
      transcodeLeaseExpiresAt: null,
      materialType: '淘系-主图视频',
    })

    const response = await POST(createRequest())

    expect(response.status).toBe(409)
    expect(transcodeQueue.add).not.toHaveBeenCalled()
  })
})