import { createError, getRouterParam } from 'h3'
import { requireAdminSession } from '../../../../../utils/admin-auth'
import { getMemberForAdmin, updateMemberAvatarByAdmin } from '../../../../../repositories/member-repository'
import { removeManagedAvatarAsset } from '../../../../../utils/member-avatar'
import { uploadMemberAvatarImage } from '../../../../../utils/member-avatar-upload'
import { MEDIA_THUMBNAIL_ROOT, upsertMediaMetadataCategory } from '../../../../../utils/media-library'

/**
 * 관리자 회원 썸네일 업로드 API
 * @param {import('h3').H3Event} event - 요청 이벤트
 * @returns {Promise<Object>} 수정된 회원
 */
export default defineEventHandler(async (event) => {
  requireAdminSession(event)
  const memberId = String(getRouterParam(event, 'id') || '')

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

  const member = await getMemberForAdmin(memberId)
  if (!member) {
    throw createError({
      statusCode: 404,
      message: '회원을 찾을 수 없습니다.'
    })
  }

  const { avatarUrl } = await uploadMemberAvatarImage(event)
  const updated = await updateMemberAvatarByAdmin({
    memberId,
    avatarUrl
  })

  if (!updated) {
    throw createError({
      statusCode: 500,
      message: '회원 썸네일 수정에 실패했습니다.'
    })
  }

  await upsertMediaMetadataCategory(avatarUrl, MEDIA_THUMBNAIL_ROOT)

  if (member.avatarUrl && member.avatarUrl !== avatarUrl) {
    await removeManagedAvatarAsset(member.avatarUrl)
  }

  return updated
})