import { NextRequest, NextResponse } from 'next/server'
import { getServerSession } from 'next-auth'
import { authOptions } from '@/lib/auth'
import { prisma } from '@/lib/prisma'

// 更新用户部门
export async function POST(req: NextRequest) {
  try {
    const session = await getServerSession(authOptions)

    if (!session || (session.user as any)?.role !== 'ADMIN') {
      return NextResponse.json(
        { error: '权限不足' },
        { status: 403 }
      )
    }

    const { userId, department } = await req.json()

    console.log('[Update Department] Request:', { userId, department })

    if (!userId) {
      return NextResponse.json(
        { error: '缺少用户ID' },
        { status: 400 }
      )
    }

    // 使用事务更新用户和素材（如果需要同步更新素材信息）
    const user = await prisma.user.update({
      where: { id: userId },
      data: { department: department || '' },
    })

    // 注意：部门信息通常不需要同步到素材，但如果将来需要，可以在这里添加
    // 目前素材表中没有部门字段，所以不需要同步

    console.log('[Update Department] Success:', { 
      userId: user.id, 
      username: user.username,
      department: user.department 
    })

    return NextResponse.json(user)
  } catch (error) {
    console.error('[Update Department] Error:', error)
    return NextResponse.json(
      { error: '更新部门失败' },
      { status: 500 }
    )
  }
}