const COOKIE_SYNC_URL = "https://youtube.marha.de/cookies";

function toNetscape(cookies) {
  const lines = ["# Netscape HTTP Cookie File"];
  for (const c of cookies) {
    const domain = c.httpOnly ? `#HttpOnly_${c.domain}` : c.domain;
    const includeSubdomain = c.domain.startsWith(".") ? "TRUE" : "FALSE";
    const secure = c.secure ? "TRUE" : "FALSE";
    const expiration = Math.floor(c.expirationDate || 0);
    lines.push([domain, includeSubdomain, c.path, secure, expiration, c.name, c.value].join("\t"));
  }
  return lines.join("\n") + "\n";
}

async function syncCookies() {
  const when = new Date().toISOString();
  try {
    const cookies = await browser.cookies.getAll({ domain: ".youtube.com" });
    if (cookies.length === 0) {
      await browser.storage.local.set({ lastCookieSync: { when, ok: false, error: "keine YouTube-Cookies gefunden" } });
      return;
    }
    const body = toNetscape(cookies);
    const res = await fetch(COOKIE_SYNC_URL, {
      method: "POST",
      headers: { "Content-Type": "text/plain" },
      body,
    });
    if (!res.ok) {
      await browser.storage.local.set({ lastCookieSync: { when, ok: false, error: `HTTP ${res.status}` } });
      return;
    }
    await browser.storage.local.set({ lastCookieSync: { when, ok: true, count: cookies.length } });
  } catch (e) {
    await browser.storage.local.set({ lastCookieSync: { when, ok: false, error: String(e) } });
  }
}