/**
 * Standard Browser 启动：puppeteer-extra + StealthPlugin
 */
const fs = require('fs');
const path = require('path');
const puppeteer = require('puppeteer-extra');
const StealthPlugin = require('puppeteer-extra-plugin-stealth');
const {
    BASE_LAUNCH_ARGS,
    assertChromeExecutable,
    buildBrowserLaunchEnv,
    ensureRuntimeSubdir,
} = require('./constants');

// Stealth 必须在 launch 之前注册
puppeteer.use(StealthPlugin());

/**
 * 启动 standard profile Browser
 * @param {string[]} [extraArgs]
 * @returns {Promise<import('puppeteer').Browser>}
 */
async function launchStandardBrowser(extraArgs = []) {
    const executablePath = assertChromeExecutable();
    const userDataDir = fs.mkdtempSync(path.join(ensureRuntimeSubdir('chrome-profiles'), 'run-'));

    try {
        const browser = await puppeteer.launch({
            executablePath,
            headless: 'new',
            args: [...BASE_LAUNCH_ARGS, ...extraArgs],
            env: buildBrowserLaunchEnv(),
            userDataDir,
        });
        const originalClose = browser.close.bind(browser);
        browser.close = async () => {
            try {
                await originalClose();
            } finally {
                try {
                    fs.rmSync(userDataDir, { recursive: true, force: true });
                } catch (_) {
                    /* 清理失败不影响主流程 */
                }
            }
        };
        return browser;
    } catch (err) {
        try {
            fs.rmSync(userDataDir, { recursive: true, force: true });
        } catch (_) {
            /* ignore */
        }
        throw err;
    }
}

module.exports = { launchStandardBrowser };