const { connectToPage, connectToBrowserEndpoint, waitForChromeSessionState,

resolvePuppeteerModule } = require("../chrome/chrome_utils.js");

(async () => {

const puppeteer = resolvePuppeteerModule();

const chromeSessionDir = process.argv[2];

const requireTargetId = process.argv[3] === "snapshot";

let browser;

try {

const state = requireTargetId

? await connectToPage({ chromeSessionDir, puppeteer, requireTargetId: true,

requireBrowserReady: true, timeoutMs: 5000, missingTargetGraceMs: 0 })

: await waitForChromeSessionState(chromeSessionDir, {

requireBrowserReady: true, requireConnectable: true, puppeteer, timeoutMs: 5000,

});

if (!state) throw new Error("No live Chrome session; start the requested capture first");

browser = state.browser?.wsEndpoint ? state.browser

: await connectToBrowserEndpoint(puppeteer, state.cdpUrl, { defaultViewport: null });

const client = await browser.target().createCDPSession();

await client.send("Browser.getVersion");

const { targetInfos } = await client.send("Target.getTargets");

const targetId = process.argv[4] || state.targetId;

const target = targetId ? targetInfos.find(target => target.targetId === targetId && target.type === 'page') : null;

if (targetId && !target) throw new Error("Selected target has closed; select a live tab");

console.log(JSON.stringify({ cdp_url: browser.wsEndpoint(), target_id: targetId || null,

browser_context_id: target?.browserContextId || null }));

} finally { if (browser) await browser.disconnect(); }

})().catch(error => { console.error(error.message); process.exitCode = 1; });