msgexchange-v2/src/main/kotlin/com/gzzn/omms/msgexchange/config/PipelineProps.kt

package com.gzzn.omms.msgexchange.config

import io.micronaut.context.annotation.ConfigurationProperties
import java.time.Duration

/**
 * ACMA-8 参数表（v4）初值；阶段 0 现网基线校准。
 * U03（N02）：Micronaut 要求嵌套配置类同样标注 @ConfigurationProperties，否则
 * msgx.pipeline/schd/identity.* 全部静默回落 Kotlin 默认值。
 */
@ConfigurationProperties("msgx")
class PipelineProps {
    var serviceName: String = "msgexchangeapi"
    var registerEureka: Boolean = true
    var pipeline: Pipeline = Pipeline()
    var schd: Schd = Schd()
    var identity: Identity = Identity()

    @ConfigurationProperties("pipeline")
    class Pipeline {
        var pollInterval: Duration = Duration.ofSeconds(1)      // KEEP 现役节奏
        var claimBatch: Int = 50
        var maxAttempts: Int = 5                                // 处理/投递同值
        var backoffMs: List<Long> = listOf(1000, 2000, 4000, 8000, 16000)
        var backoffCapMs: Long = 60_000
        var headDeadline: Duration = Duration.ofMinutes(10)     // 最坏 HOL 上界（毒丸升级）

        /** U07：启动即拉起 Pump/Dispatcher 循环（默认关——需要真实仓储或 msgx.stubs=true 才可安全开启）。 */
        var autostart: Boolean = false

        /** N28：attempt ≤ 0（如 FAILED 未递增 attempts 的行）不得抛异常，取下界=首档退避。 */
        fun backoffFor(attempt: Int): Long {
            val index = (attempt - 1).coerceAtLeast(0)
            return backoffMs.getOrNull(index)?.coerceAtMost(backoffCapMs) ?: backoffCapMs
        }
    }

    @ConfigurationProperties("schd")
    class Schd {
        var flushPeriod: Duration = Duration.ofSeconds(3)       // KEEP 现役节律
        var flushLimit: Int = 500
    }

    @ConfigurationProperties("identity")
    class Identity {
        /** CONFIRM（矩阵 #11）：SEQN 重置作用域确认前保持 false，计算集中此处（I3）。 */
        var includeDayBoundary: Boolean = false
    }
}