'use strict';

const { test, afterEach } = require('node:test');
const assert = require('node:assert/strict');
const logger = require('../logger');

const realStdout = process.stdout.write;
const realStderr = process.stderr.write;

afterEach(() => {
    process.stdout.write = realStdout;
    process.stderr.write = realStderr;
});

// 同時攔截 stdout 與 stderr，回傳本次 run() 內各自寫出的字串
function capture(run) {
    const out = [];
    const err = [];
    process.stdout.write = (chunk) => { out.push(String(chunk)); return true; };
    process.stderr.write = (chunk) => { err.push(String(chunk)); return true; };
    try {
        run();
    } finally {
        process.stdout.write = realStdout;
        process.stderr.write = realStderr;
    }
    return { out: out.join(''), err: err.join('') };
}

const TIME = /\[\d{4}\/\d{2}\/\d{2} \d{2}:\d{2}:\d{2}\]/;

test('section 於 stdout 輸出標題與 50 寬分隔線區塊', () => {
    const { out, err } = capture(() => logger.section('參數檢查'));
    assert.equal(out, `\n${'='.repeat(50)}\n參數檢查\n${'-'.repeat(50)}\n`);
    assert.equal(err, '');
});

test('info 以 [INF][時間]: 格式輸出至 stdout', () => {
    const { out, err } = capture(() => logger.info('IS_BETA=false'));
    assert.match(out, new RegExp(`^\\[INF\\]${TIME.source}: IS_BETA=false\\n$`));
    assert.equal(err, '');
});

test('error 以 [ERR][時間]: 格式輸出至 stderr，且不寫入 stdout', () => {
    const { out, err } = capture(() => logger.error('GITEA_SERVER_URL 未設定'));
    assert.match(err, new RegExp(`^\\[ERR\\]${TIME.source}: GITEA_SERVER_URL 未設定\\n$`));
    assert.equal(out, '');
});

test('info/error 的時間戳為 yyyy/MM/dd HH:mm:ss 格式', () => {
    const { out } = capture(() => logger.info('x'));
    assert.match(out, TIME);
});