import type {CertificatesState,CertificateServerState} from "@mmapp/contracts/certificates"
export type CertificateSnapshot = { latest: CertificateServerState; confirmed: CertificateServerState | null }
export type CertificateSnapshots = Record<string, CertificateSnapshot>
/** Replace the enabled-device inventory; retain each failed device's last confirmed snapshot. */
export function mergeCertificateSnapshots(previous:CertificateSnapshots,result:CertificatesState):CertificateSnapshots {
 return Object.fromEntries(result.servers.map(node=>[node.serverId,{
  latest:node,
  confirmed:node.error===null?node:previous[node.serverId]?.confirmed??null,
 }]))
}