MikrotikManager/backend/src/services/alert-engine/prev-live-store.ts

import { eq } from "drizzle-orm"
import { db } from "../../db/index.js"
import { parseJsonObject } from "../../db/json.js"
import { alertEnginePrevLive } from "../../db/schema.js"

export type PrevLiveKind = "gre" | "bgp"

/** Предыдущие строковые состояния (GRE: up|down|degraded; BGP: state как с роутера). */
export type PrevLiveStringMap = Record<string, string>

function safeParseMap(json: unknown): PrevLiveStringMap {
  return parseJsonObject(json) as PrevLiveStringMap
}

export async function loadPrevLiveMap(kind: PrevLiveKind): Promise<PrevLiveStringMap> {
  const row = (await db
    .select()
    .from(alertEnginePrevLive)
    .where(eq(alertEnginePrevLive.kind, kind))
    .limit(1))[0]
  return safeParseMap(row?.payloadJson)
}

export async function savePrevLiveMap(kind: PrevLiveKind, map: PrevLiveStringMap) {
  const payloadJson = map
  const existing = (await db
    .select()
    .from(alertEnginePrevLive)
    .where(eq(alertEnginePrevLive.kind, kind))
    .limit(1))[0]
  if (existing) {
    if (existing.payloadJson === payloadJson) return
    await db.update(alertEnginePrevLive)
      .set({ payloadJson, updatedAt: new Date().toISOString() })
      .where(eq(alertEnginePrevLive.kind, kind))
    return
  }
  await db.insert(alertEnginePrevLive).values({ kind, payloadJson, updatedAt: new Date().toISOString() })
}