package com.gzzn.omms.msgexchange.ingress

import com.gzzn.omms.msgexchange.infra.persistence.CminmsgInboxRepository
import com.gzzn.omms.msgexchange.infra.persistence.ProcStateRepository
import jakarta.inject.Singleton
import java.time.Instant

/**
 * ACMA-8 流程 1 · compat 写路径：HTTP 落信 + PG 入队（非生产主拓扑；主路径=InboxPoller 轮询）。
 * 两步不在同一事务：信箱成功而 PG 失败时原文不丢失，由轮询按 ID 区间补建（design.md §3.1）。
 */
@Singleton
class InboxService(
    private val inbox: CminmsgInboxRepository,
    private val procState: ProcStateRepository,
) {
    private val log = org.slf4j.LoggerFactory.getLogger(InboxService::class.java)

    data class Receipt(val msgId: Long, val receivedAt: Instant)

    fun accept(rawXml: String, now: Instant = Instant.now()): Receipt {
        val id = inbox.insertRaw(rawXml)
        procState.insertIfAbsent(id, now)
        log.info("compat-accepted msgId={}", id)
        return Receipt(id, now)
    }
}