// background.js — luistert naar berichten van content.js en stuurt NZB naar SABnzbd

chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
  if (message.type === "SEND_NZB") {
    handleNzbUrl(message.url).then(sendResponse);
    return true; // async response
  }
});

async function handleNzbUrl(nzbUrl) {
  const config = await chrome.storage.sync.get(["sabHost", "sabApiKey", "sabCategory"]);

  const { sabHost, sabApiKey, sabCategory } = config;

  if (!sabHost || !sabApiKey) {
    showNotification("❌ Configuratie ontbreekt", "Stel de SABnzbd host en API-sleutel in via de extensie-popup.");
    return { success: false, error: "Geen configuratie" };
  }

  // Bouw de SABnzbd API URL
  // SABnzbd ondersteunt 'addurl' om een externe NZB-URL toe te voegen
  const host = sabHost.replace(/\/$/, ""); // verwijder trailing slash
  const category = sabCategory || "Default";

  const params = new URLSearchParams({
    output: "json",
    apikey: sabApiKey,
    mode: "addurl",
    name: nzbUrl,
    cat: category
  });

  const apiUrl = `${host}/api?${params.toString()}`;

  try {
    const response = await fetch(apiUrl, { method: "GET" });
    const data = await response.json();

    if (data.status === true) {
      showNotification("✅ NZB toegevoegd!", "De download is toegevoegd aan SABnzbd.");
      return { success: true };
    } else {
      const errMsg = data.error || "Onbekende fout van SABnzbd";
      showNotification("❌ Fout van SABnzbd", errMsg);
      return { success: false, error: errMsg };
    }
  } catch (err) {
    const msg = `Kan SABnzbd niet bereiken: ${err.message}`;
    showNotification("❌ Verbindingsfout", msg);
    return { success: false, error: msg };
  }
}

function showNotification(title, message) {
  chrome.notifications.create({
    type: "basic",
    iconUrl: "icons/icon48.png",
    title,
    message
  });
}