package kr.co.vividnext.sodalive.notice

import kr.co.vividnext.sodalive.common.SodaException
import org.springframework.data.domain.Pageable
import org.springframework.data.repository.findByIdOrNull
import org.springframework.stereotype.Service
import org.springframework.transaction.annotation.Transactional

@Service
@Transactional(readOnly = true)
class ServiceNoticeService(private val repository: ServiceServiceNoticeRepository) {
    @Transactional
    fun save(request: CreateNoticeRequest): Long {
        if (request.title.isBlank()) throw SodaException("제목을 입력하세요.")
        if (request.content.isBlank()) throw SodaException("내용을 입력하세요.")

        val notice = request.toEntity()
        return repository.save(notice).id!!
    }

    @Transactional
    fun update(request: UpdateNoticeRequest) {
        if (request.id <= 0) throw SodaException("잘못된 요청입니다.")
        if (request.title.isNullOrBlank() && request.content.isNullOrBlank()) {
            throw SodaException("수정할 내용을 입력하세요.")
        }

        val notice = repository.findByIdOrNull(request.id)
            ?: throw SodaException("잘못된 요청입니다.")

        if (!request.title.isNullOrBlank()) notice.title = request.title
        if (!request.content.isNullOrBlank()) notice.content = request.content
    }

    @Transactional
    fun delete(id: Long) {
        if (id <= 0) throw SodaException("잘못된 요청입니다.")
        val notice = repository.findByIdOrNull(id)
            ?: throw SodaException("잘못된 요청입니다.")

        notice.isActive = false
    }

    fun getNoticeList(pageable: Pageable, timezone: String): GetNoticeResponse {
        val totalCount = repository.getNoticeTotalCount()
        val noticeList = repository.getNoticeList(pageable)

        return GetNoticeResponse(totalCount, noticeList)
    }

    fun getLatestNotice(): NoticeItem? {
        return repository.getLatestNotice()
    }
}