import fs from "node:fs";

import { afterAll, afterEach, beforeAll, beforeEach, describe, expect, it } from "vitest";

import { getLogger, resetLogger, setLoggerOverride } from "../logging.js";

import { createSuiteLogPathTracker } from "./log-test-helpers.js";

const logPathTracker = createSuiteLogPathTracker("openclaw-log-ts-");

describe("logger timestamp format", () => {

let logPath = "";

beforeAll(async () => {

await logPathTracker.setup();

});

beforeEach(() => {

logPath = logPathTracker.nextPath();

resetLogger();

setLoggerOverride(null);

});

afterEach(() => {

resetLogger();

setLoggerOverride(null);

try {

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

} catch {

// ignore cleanup errors

}

});

afterAll(async () => {

await logPathTracker.cleanup();

});

it("uses local time format in file logs (not UTC)", () => {

setLoggerOverride({ level: "info", file: logPath });

const logger = getLogger();

// Write a log entry

logger.info("test-timestamp-format");

// Read the log file

const content = fs.readFileSync(logPath, "utf8");

const lines = content.trim().split("\n");

const lastLine = JSON.parse(lines[lines.length - 1]);

// Should use local time format like "2026-02-27T15:04:00.000+08:00"

// NOT UTC format like "2026-02-27T07:04:00.000Z"

expect(lastLine.time).toMatch(/^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\.\d{3}[+-]\d{2}:\d{2}$/);

expect(lastLine.time).not.toMatch(/Z$/);

});

});