import os from "node:os";

import path from "node:path";

import { afterEach, beforeEach, describe, expect, test } from "vitest";

import { captureEnv, setTestEnvValue } from "../test-utils/env.js";

import {

readLatestRecentSessionUsageFromTranscriptAsync,

readRecentSessionMessagesWithStats,

describe("session transcript reader facade", () => {

let tempDir: string;

let storePath: string;

let originalStateDir: string | undefined;

let envSnapshot: ReturnType<typeof captureEnv>;

beforeEach(() => {

originalStateDir = process.env.OPENCLAW_STATE_DIR;

envSnapshot = captureEnv(["OPENCLAW_STATE_DIR"]);

tempDir = fs.mkdtempSync(path.join(os.tmpdir(), "openclaw-transcript-readers-"));

storePath = path.join(tempDir, "sessions.json");

process.env.OPENCLAW_STATE_DIR = tempDir;

setTestEnvValue("OPENCLAW_STATE_DIR", tempDir);

});

afterEach(() => {

if (originalStateDir === undefined) {

delete process.env.OPENCLAW_STATE_DIR;

} else {

process.env.OPENCLAW_STATE_DIR = originalStateDir;

}

envSnapshot.restore();

fs.rmSync(tempDir, { recursive: true, force: true });

});