import { describe, it, expect, vi, beforeEach } from 'vitest'

vi.mock('@/lib/prisma', () => ({
  prisma: {
    task: {
      findFirst: vi.fn(),
      update: vi.fn(),
    },
  },
}))

vi.mock('@/lib/api-auth', () => ({
  authenticateApiRequest: vi.fn(),
}))

import { prisma } from '@/lib/prisma'
import { authenticateApiRequest } from '@/lib/api-auth'
import { PATCH as patchTask } from '@/app/api/tasks/[id]/route'

const mockPrisma = prisma as unknown as {
  task: { findFirst: ReturnType<typeof vi.fn>; update: ReturnType<typeof vi.fn> }
}
const mockAuth = authenticateApiRequest as ReturnType<typeof vi.fn>

function makeRequest(body: unknown, taskId = 'task-1'): [Request, { params: Promise<{ id: string }> }] {
  return [
    new Request(`http://localhost/api/tasks/${taskId}`, {
      method: 'PATCH',
      headers: { Authorization: 'Bearer test-token', 'Content-Type': 'application/json' },
      body: JSON.stringify(body),
    }),
    { params: Promise.resolve({ id: taskId }) },
  ]
}

describe('PATCH /api/tasks/:id', () => {
  beforeEach(() => {
    vi.clearAllMocks()
  })

  // TC-T-06
  it.todo('returns 400 for invalid status value')

  // TC-T-07
  it.todo('returns 400 when body has no recognized fields')

  // TC-T-08
  it.todo('updates status only and returns 200')

  // TC-T-09
  it.todo('updates implementation_plan only and returns 200')

  // TC-T-10
  it.todo('updates both status and implementation_plan and returns 200')

  // TC-T-11
  it.todo('allows update when user is a team member of the product')
})