import { editorPath } from '../lib/paths'

export function useAdminTemplateRequests({
  api,
  activeTemplateRequest,
  refreshTemplateRequests,
  setTab,
  openTemplateCreateModal,
  newTemplateId,
  newTemplateName,
  selectAdminTemplate,
  mergeRequestItemsIntoDrafts,
  resetMessages,
  success,
  error,
}) {
  function updateActiveTemplateRequest(request) {
    if (!request?.id) return
    activeTemplateRequest.value = {
      id: request.id,
      type: request.type,
      status: request.status,
      thumbnailSrc: request.thumbnailSrc || '',
      draftGameId: request.draftGameId || '',
      draftGameName: request.draftGameName || '',
      draftGameIsPublic: !!request.draftGameIsPublic,
      sourceTierListId: request.sourceTierListId || '',
      sourceGameId: request.sourceGameId || '',
      sourceTierListTitle: request.sourceTierListTitle || '',
      targetGameId: request.targetGameId || '',
      targetGameName: request.targetGameName || '',
      requesterName: request.requesterName || '',
    }
  }

  function templateRequestStatusLabel(request) {
    return request.status === 'reviewing' ? '확인함' : '미확인'
  }

  function templateRequestSourceUrl(request) {
    if (!request?.sourceGameId || !request?.sourceTierListId) return ''
    return editorPath(request.sourceGameId, request.sourceTierListId, { preview: true })
  }

  function templateRequestReviewHint(request) {
    if (request.type === 'create') return '템플릿 생성 후 필요한 아이템만 골라 추가하고, 끝나면 여기서 처리 완료하세요.'
    return '확인하기를 누르면 템플릿 관리 화면에 요청 아이템이 임시 추가되어 필요한 것만 선별 저장할 수 있어요.'
  }

  async function startTemplateRequestReview(request) {
    resetMessages()
    try {
      request.isHandling = true
      const data = await api.startAdminTemplateRequestReview(request.id)
      const syncedRequest = {
        ...request,
        ...(data.request || {}),
        draftGameId: request.draftGameId || '',
        draftGameName: request.draftGameName || '',
        draftGameIsPublic: !!request.draftGameIsPublic,
      }
      Object.assign(request, syncedRequest)
      request.status = syncedRequest.status || 'reviewing'
      updateActiveTemplateRequest(syncedRequest)
      setTab('game-admin')

      if (request.type === 'create') {
        const linkedGameId = syncedRequest.targetGameId || ''
        if (linkedGameId) {
          await selectAdminTemplate(linkedGameId)
        } else {
          openTemplateCreateModal()
          newTemplateId.value = (syncedRequest.draftGameId || '').trim()
          newTemplateName.value = (syncedRequest.draftGameName || '').trim()
        }
        mergeRequestItemsIntoDrafts(syncedRequest)
      } else {
        const nextGameId = syncedRequest.targetGameId || syncedRequest.sourceGameId || ''
        if (nextGameId) await selectAdminTemplate(nextGameId)
        mergeRequestItemsIntoDrafts(syncedRequest)
      }
      success.value = '요청 아이템을 템플릿 관리 화면으로 가져왔어요. 필요한 항목만 골라서 추가해 주세요.'
    } catch (e) {
      error.value = '요청 확인 단계로 이동하지 못했어요.'
    } finally {
      request.isHandling = false
    }
  }

  async function completeTemplateRequest(request) {
    resetMessages()
    try {
      request.isHandling = true
      await api.completeAdminTemplateRequest(request.id)
      if (activeTemplateRequest.value?.id === request.id) activeTemplateRequest.value = null
      await refreshTemplateRequests()
      success.value = '요청 카드를 처리 완료로 정리했어요.'
    } catch (e) {
      error.value = '요청 완료 처리에 실패했어요.'
    } finally {
      request.isHandling = false
    }
  }

  return {
    updateActiveTemplateRequest,
    templateRequestStatusLabel,
    templateRequestSourceUrl,
    templateRequestReviewHint,
    startTemplateRequestReview,
    completeTemplateRequest,
  }
}