import { createError, getRouterParam } from 'h3'
import { requireAdminSession } from '../../../../../utils/admin-auth'
import { transferMemberOwnership } from '../../../../../repositories/member-repository'

/**
 * 소유자 권한 이전 API
 * @param {import('h3').H3Event} event - 요청 이벤트
 * @returns {Promise<{ target: Object, previousOwner: Object }>} 이전 결과
 */
export default defineEventHandler(async (event) => {
  const session = requireAdminSession(event)
  const memberId = String(getRouterParam(event, 'id') || '')

  if (!memberId) {
    throw createError({
      statusCode: 400,
      message: '대상 회원 ID가 필요합니다.'
    })
  }

  return transferMemberOwnership({
    actorUserId: session.userId,
    targetUserId: memberId
  })
})