import type { SerializedProjectCommand } from "../models/project-command.model.js";

export type ProjectHistoryDirection = "undo" | "redo";

export interface ProjectHistoryState {
  projectId: string;
  currentRevision: number;
  undoDepth: number;
  redoDepth: number;
  undoChangeSetId: string | null;
  redoChangeSetId: string | null;
}

export interface ProjectHistoryCommand {
  changeSetId: string;
  command: SerializedProjectCommand;
}

export interface ProjectHistoryStore {
  getState(projectId: string): ProjectHistoryState | null;
  getNextCommand(
    projectId: string,
    direction: ProjectHistoryDirection
  ): ProjectHistoryCommand | null;
}