import type { ProjectSnapshotKind } from "../models/project-snapshot-policy.model.js";
import type { ProjectStateRestoreCommand } from "../models/project-state-restore-command.model.js";

export interface ProjectSnapshotMetadata {
  id: string;
  projectId: string;
  sourceRevision: number;
  schemaVersion: number;
  kind: ProjectSnapshotKind;
  name: string;
  description: string | null;
  payloadSha256: string;
  createdAtIso: string;
  createdByActorId: string | null;
}

export interface CreateNamedProjectSnapshotInput {
  projectId: string;
  expectedRevision: number;
  name: string;
  description?: string;
  actorId?: string;
}

export interface PreparedProjectSnapshotRestore {
  snapshot: ProjectSnapshotMetadata;
  command: ProjectStateRestoreCommand;
}

export interface ProjectSnapshotStore {
  createNamed(
    input: CreateNamedProjectSnapshotInput
  ): ProjectSnapshotMetadata | null;
  listByProject(projectId: string): ProjectSnapshotMetadata[] | null;
  prepareRestore(
    projectId: string,
    snapshotId: string
  ): PreparedProjectSnapshotRestore | null;
}