export interface WorkspacePreference {
  workspaceId?: string;
  provider?: string;
  model?: string;
  thinking?: string;
}

let current: WorkspacePreference | undefined;

function snapshot(value: WorkspacePreference | undefined): WorkspacePreference {
  return value === undefined ? {} : { ...value };
}

/** Ephemeral workspace choices for the current application process. */
export const workspacePreferences = {
  load(): WorkspacePreference {
    return snapshot(current);
  },

  save(value: WorkspacePreference): WorkspacePreference {
    current = { ...value };
    return snapshot(current);
  },

  /** Seed current memory from backend installation settings only before the first local choice. */
  migrate(settings: WorkspacePreference): WorkspacePreference {
    if (current === undefined) current = { ...settings };
    return snapshot(current);
  },

  /** Clear ephemeral state on application/test lifecycle reset. */
  reset(): void {
    current = undefined;
  },
};